国产全系列系列原理图

1、5321Note: AFC > 3G_TX_VGA > APC > 3G_VBIASU101AU101IU101FK116 GPIO_SUB_CMPDN6 CMMECHSTROBEPWM CMFLASHDAF20 AF21 AG21 AH21AK9 AJ9 AJ8 AF10 AG10 AJ10 AH11 AJ11 AF11 AK10 AG11C2711 UMTSRX_IP11 UMTSRX_IN11 UMTSRX_QP11 UMTSRX_QNASM_VCT1 ASM_VCT2 ASM_VCT312121233333333333333333333333333333333ED31

2、 ED30 ED29 ED28 ED27 ED26 ED25 ED2 ED23 ED22 ED21 ED20 ED19 ED18 ED17 ED16 ED15 ED1 ED13 ED12 ED11 ED10 ED9 ED8 ED7 ED6 ED5 ED ED3 ED2 ED1 ED0DL_I_P DL_I_N DL_Q_P DL_Q_NBPI_BUS0 BPI_BUS1 BPI_BUS2 BPI_BUS3 BPI_BUS BPI_BUS5 BPI_BUS6 BPI_BUS7 BPI_BUS8 BPI_BUS9BPI_BUS10ED31 ED30 ED29 ED28 ED27 ED26 ED25

3、 ED2 ED23 ED22 ED21 ED20 ED19 ED18 ED17 ED16 ED15 ED1 ED13 ED12 ED11 ED10 ED9 ED8 ED7 ED6 ED5 ED ED3 ED2 ED1 ED0B25A16/ECS0/ECS1EWR# ERAS# ECAS# ECKE0ECS0_B ECS1_B33D25D16E6A26666666CMMCLK CMPCLK CMRSTCMPDN CMHREF CMVREFCMMCLK CMPCLK CMRST CMPDN CMHSYNC CMVSYNCCMDAT9 CMDAT8 CMDAT7 CMDAT6 CMDAT5 CMDA

4、T CMDAT3 CMDAT2 CMDAT1 CMDAT0E7B2A19 B1 D15 C16B2D2PAEN12E5AG23 AF23 AG2 AH2AK13 AJ13 Y16 AB16C2311 _UMTSTX_IP11 _UMTSTX_IN11 _UMTSTX_QP11 _UMTSTX_QNUL_I_P UL_I_N UL_Q_P UL_Q_NVM0 VM1 APC AFCB1D23ECKE03B3C8A9A11DDDQM0 DQM1 DQM2 DQM3EDQS0 EDQS1 EDQS2 EDQS3/EDQS0/EDQS1/EDQS2/EDQS3/EDCLK EDCLKNLD15 NLD

5、1 NLD13 NLD12 NLD11 NLD10NLD9 NLD8EDQM0 EDQM1 EDQM2 EDQM33333A3D9B2366666666CMDAT9 CMDAT8 CMDAT7 CMDAT6 CMDAT5 CMDAT CMDAT3 CMDAT2W_PA1_ON12D6A7B712121211VM0 VM1 VAPC AFCB5AB1 AC1 AF1 AA13B8B26BSI0_CS0 BSI0_CS1 BS 0_DATA BSI0_CLKBSI1_CS0 BSI1_CS1 BSI1_DATA BSI1_CLKEB92,3DVDD12_EMIA2C7E12EDQS0 EDQS1

6、EDQS2 EDQS3 EDQS0_B EDQS1_B EDQS2_B EDQS3_B33333333AD8E20BAC19A2E93G_VBIASB6AH15A23E2BSI1_CS0 BSI1_CS1 BSI1_DATA BSI1_CLK11111111C3 CK10AJ12 AG12 AK12 AH12 AF12 AD11AG1C2E1315 GP O125_6620_PWR_EN12 W_PA8_ONBPI_BUS11 BPI_BUS12 BPI_BUS13 BPI_BUS1TDD_T MINGSYNC TDD_AFC_SWAJ1E21E19AG15B22E10R111D20E2366

7、SCL1 SDA1SCL_1 SDA_1I2C1: CAMERAC107 100nF/6.3VK9D218.2KA22E16EDCLK_B EDCLK33MT6575E2_LPDDR2_0D11E173EVREFMT6575E2_LPDDR2_0B11R112B12B30 B29 E27 G30 E29 C30 D30 A28C105 C106C12Need to turn off if I2C1 devices not operated8.2K100nF/61uF/6.3VB10D12A102C11D19UTXD193EVREFRVREFR116.7KR117.7KC28 G27 G29 D

8、29 F29 D28 E26 B28URXD19NLD7 NLD6 NLD5 NLD NLD3 NLD2 NLD1 NLD0Meta mode for calibration and modem log！B16 A20 C20 B13 B15 B206SCL12,8KCOL0EBA1 EBA0 EA13 EA12 EA11 EA10 EA9 EA8 EA7 EA6 EA5 EA EA3 EA2 EA16SDA1SPK_ENA29 B27 C29 E28 F30 F27 F28UTXD3 URXD3 UTXD URXD161699NRNB NCLE NALE NWEB NREB NCEB0 NC

9、EB1B196 GPIO_SUB_CMRST2,8KROW0333333333EA9 EA8 EA7 EA6 EA5 EA EA3 EA2 EA1B21AP log！CC19CD17B18A17B17A1GPIO_TP_EN13C15K21GPIO86_CTP_RST 13MEMPLL_TXNA13K223EA0EA0MEMPLL_TXP11SYSCLKD7DDR3RSTBU101EMT6575E2_LPDDR2_0AB21W30CLK26M RTC_XOUT RTC_XN 32K_OUT TESTMODE BBWAKEUPFSOURCE WATCHDOG_BSYSRST_BSRCLKENAI

10、 SRCLKENADAICLK DA PCMOUT DAIPCM N BTSYNC DAIRSTBE NT0 E NT1 E NT2 E NT3 E NT E NT5 E NT6 E NT7 E NT8 E NT9SYSRST_B2X10132K_OUT32K_INAK15Separate XIN and RTC_GPIO by GNDAK16U29 V29AD162,17 RTC_GPIO_2V8SRCLKENA2Q13FCAJ16C10C10318pF/25VAG16AA32 BBWAKEUPDAICLK DAIPCMOUT1616AA2D27AADAIPCM N DAISYNC DAIR

11、ST161617AF5AB1EINT0: Haredware KEY EINT1: GRY SENSOR EINT2: PRO SENSOR EINT3: G SENSOR EINT4: GPS SYCHRO EINT5: M SENSOR EINT6: CTPEINT7: G SENSOR2 EINT8: hEADSETEINT9: MT6329 Watchdog2 WA CHDOG_RESET_BY2U101GR30 T30AC2E3 F3 C2 D2 D1 E2TJTRST_B JTCK JTDI JTMS JTDO JRTCKKEY_ NT E NT1_GY E NT7_P E NT3

12、_G BPI_GPS E NT5_M E NT6_C E NT _G E NT8_HP PMU_INT8787167137666666RDN0 RDP0 RDN1 RDP1 RCN RCPRDN0 RDP0 RDN1 RDP1 RCN RCPDP CK DP DE DPIVSYNC DPIHSYNCLCDC_PCLK LCDC_EN LCDC_VSYNC LCDC_HSYNC5555TP1021TP20AD2N5T29 U27AEL5TP1011TP20AA5M5U28 R29ADAE2T2LCDC_R0 LCDC_R1 LCDC_R2 LCDC_R3 LCDC_R LCDC_R5 LCDC_

13、R6 LCDC_R755555555DPIR0 DPIR1 DPIR2 DPIR3 DPIR DPIR5 DPIR6 DPIR7AA6U2 VUSB_6575U26 T26AB5F2 F1 G1 G2 H G5R1SWCLKTCK SWD OTMSTDN0 TDP0 TDN1 TDP1 TCN TCPBYR2BAA1N12AA27MT6575E2_LPDDR2_0M122CHD_DP CHD_DMCHD_DP CHD_DM USB_VBUS USB_DM USB_DP USB_VRT IDDIGSCL_0 SDA_0I2S1_CK I2S1_DAT I2S1_WSAA26AB2 ABP6PWM

14、1 PWM2 PWM3LPCE1B LPCE0B LPTE LRSTB LRDB LPA0 LWRBAA29N8PWM25UART1: Download UART2: NFC UART3: MT6620UART4: Debug90 OhmAB26AB3K8USB_DM USB DPdifferential 8AC26N2 P8 N7 P2 N3 M2 L2 T1R555555555LCDC_B0 LCDC_B1 LCDC_B2 LCDC_B3 LCDC_B LCDC_B5 LCDC_B6 LCDC_B7LCDC_G0 LCDC_G1 LCDC_G2 LCDC_G3 LCDC_G LCDC_G5

15、 LCDC_G6 LCDC_G755555555DP B0 DP B1 DP B2 DP B3 DP B DP B5 DP B6 DP B7DP G0 DP G1 DP G2 DP G3 DP G DP G5 DP G6 DP G7Close to MT6575USB_VRTAA30T5E NT1 _BGF17Y29AG1K1 J2PUSB_VRTNK2P77,8,13SCL07,8,13SDA0LRSTB5AH2K5 J3 K3U5R11P35.1KW5P517 I2S_CLK_662017 I2S_DATA_IN_662017 I2S_WS_6620E NT18_WIFI17Y5I2C0

16、: G/M/GYRO/ CTP / OFN/MTI2C1 : Camera / ATV I2C2 : PMICW1U2 VLSCE1B LSCE0B LSDA LSA0 LSCK LSDILSCE0B LSDA55W2 Y6 V1V2MT6575E2_LPDDR2_0I2S0_CK I2S0_WS I2S0_DATV3 V5LSCK LSDI55U3I2S0 : ATV _NC I2S1 : MT6620,8,11,15 VDD18_6575MSDC0 : EMMCMSDC1 : T-Card (Support SD3.0) MSDC2 :MSDC3 : MT6620R118.7KR119.7

17、K1515151515MC3CMD MC3CLK MC3DA0 MC3DA1 MC3DA2 MC3DA37,8,13SCL07,8,13SDA015EMMC_DAT7 3I2C0: CTP, M-Sensor, G-Sensor, ALS&PS, GyroEMMC_DAT6 3EMMC_DAT5 3EMMC_DAT 3EMMC_DAT3 3EMMC_DAT2 3EMMC_DAT1 3EMMC_DAT0 3EMMC_CLK 3EMMC_CMD 3EMMC_RST 3AA16 GP O185_6620_LNAGIONEEMC1DA3 MC1DA2 MC1DA1 MC1DA0 MC1CK M

18、C1CM0999999T tttleMT6575 - BasebandSiiizeDocumenttt NumberRev V1.0Custttom MT6575 PhoneDattte: Tuesday, May 15, 2012Sheet1 of175321PDF 文件使用 "pdfFactoryPro" 试用版本创建AJ3 AH AJ AH3 AG AK3AG6 AC10 AF6 AF7 AJ6 AK6 AH8 AK7 AF9 AJ7 AB11 AF8 AH7 AG7 AG8 AJ5R27 P26 P27 R25AE1 AC5 AF2 AE3MSDC3_CMD MSD

19、C3_CLK MSDC3_DAT0 MSDC3_DAT1 MSDC3_DAT2 MSDC3_DAT3KP_ROW0 KP_ROW1 KP_ROW2 KP_ROW3 KP_ROW KP_ROW5 KP_ROW6 KP_ROW7 KP_COL0 KP_COL1 KP_COL2 KP_COL3 KP_COL KP_COL5 KP_COL6 KP_COL7J29 H26 K2 J30 H29 J28MSDC2_CMD MSDC2_CLK MSDC2_DAT0 MSDC2_DAT1 MSDC2_DAT2 MSDC2_DAT3J26 K26 K28 K30 K29 J27MSDC1_CMD MSDC1_C

20、LK MSDC1_DAT0 MSDC1_DAT1 MSDC1_DAT2 MSDC1_DAT3UTXD1 URXD1 URTS1 UCTS1UTXD2 URXD2 URTS2 UCTS2L29 M29 M26 N27 L27 K27 N26 N28 P29 N30 M30 L26 N29MSDC0_RSTB MSDC0_CMD MSDC0_CLK MSDC0_DAT0 MSDC0_DAT1 MSDC0_DAT2 MSDC0_DAT3 MSDC0_DAT MSDC0_DAT5 MSDC0_DAT6 MSDC0_DAT7 MSDC1_SDWPI MSDC1_INSIAD1 AD5UTXD3 URXD

21、3P28 R26UTXD URXDAG2 AG3 AH1 AFSPI_MO SPI_MI SPI_CLK SPI_CSN18pF/25V6 VCAM_ OPMU.3V5432UU 00AUDIOR23008 BA S K1 Charger4 5 8 9 2 3 5 VBA296203 220 00MHz 13 S K_S K_N4 84 8BA S K2 S K 1_S K 1_N 12 204 220 00MHz66 3V5 B I_N5 B I_N108VBUSS K 2_00n 66 3V C27800n 66 3V C279N3 A UD1_S K 2_N 114H ROVP 12VN

22、4 A UD1 NM 13DRIVER IS NK0 N14Differencial23 A UD2_IS NK1 N131 Close to Battery Connector (Rsense (R204) <10mm)2 Main path should be 40mil(VBUS -> Q1's E ->Q1's C -> R204 -> VBAT)3 Star connection from R204 to BAT ConnectorISENSE/BSTSNS 4mildifferential to RsenseA UD2 N B ASS

23、IS NK2 N12C269uu 66 3VIS NK3 M 10M5 IS NK4 N11DDire t to main GNDDIS NK5 K9 BS _GDRVCDN1C ARGER14H5 CDK ED 13ED_KE AD 8VCDT rating 1.268VVCDCHR_ DO1 CHR_ DOASH VDRV ISENSEH1 DR25V ratingR25330H2 SE NSE BA SNSNK1 BA S NSAS W_IN1 N8R252BA _ON REJ3 BA ONAS W_IN2 N6C20M2 REAS W_OUuu 35V39K27C27066 3VCH_

24、DEK3 USB _D NBUCK OUTPUT66 3V88KROW0 KCO 022 5522 2uH80mil3 USB _DCORE 12 VCORE_SWVCORE_6575CORE 13R203CONTROL SIGNALCORE E 12293CHR_ DOA2 star connect to cap. (3mil)SRC KENAS RC KEN 80milR232 002 RESE BCORE _ B B 12 VCORE_ B7u 66 3V S SRS _B 8 9 WRKE33 3KR233KN2 WRKE M4 M U_ ES M ODEM3 WRBB ROC C14

25、22 6622 2uHBBWAKEUVA ROC_6575U204 1 89 30V55AE2MWA CHDOG_RESE _BB4 AVDD 8 D G S S RS BROC D13A4 S OURCEROC D14294Close to MT6329star connect to cap. (3mil)SC _2D3E 10RR224400 VA ROC_ B 66 3VD2 S CKROC_ BU2032SSM33K35M V VDRVSDA_2B3 S DAC2400n 0VMU_ NNG1222 77uHIO18 G13VDD 8_ 575 4 5 7 85MUC R 0 MUC

26、RC1C4 D S1 IO18 IO18_ B80mil295D S2 star connect to cap. 3mil)A 13AC R 0 AC RB2 66 3VC3 A _SE 0J13209 44 7uHVW A_65752R25300SENSE AC R 2B1 A _SE 1A K 13VBA _ A1D 5022A _SE 2A80mil4milA3 B _ WMRB520S-30C20022 2u 66 3VRsenseR257 00 22R243 K E6 HOMEKE A _ B C128 HOMEKE25milVBAT INPUT40mil0milR229220 00

27、MHzE 13 BA _ CORER 18 H1222 8822 22H4 5 8 9 2 3 5 VBAVR 8_ MU80mil4mil R25400BA SNS E 14 BA _ CORE29725mil R230220 00MHzA 14 BA _ ROCR 18_ B D12star connect to cap. 3mil)VBA _VA ROCB 13 BA _ ROC66 3VLC close to IC. (<10mm)Add Zenar Diode Place on the path from VBAT to ICBattery connectorB 14 BA _

28、 ROC25milC13 BA _ ROCR235220 00MHzVBA _VIO 8G14 BA _ O18LDO OUTPUTD202H14 BA _ O18M 12_1 A 10VM 2_ _ MUC29029J14 BA _ AM 12_2 C9or test point or IOR237VBA _ AK 14 BA _ AM 12_IN B 10VM 2_ N _ 575 VR _ MUV CXO_ MU VDD25_VA _6575 5VDD28_6575 5 7 8 5VS M_65759 00MHzR 28 E1 connector)R23600VBA _VR 8H13CX

29、O 5BATTERY CONNECTORCN203BA _ R 1833D44V2HA1 E3 N9B9 BA M SC IO28 A8 SOD123 500mW S M C880milCVS M2_65759E8 BA _ DO2S M2 C104140mil5 E GND 1 2VBA4 5 8 9 2 3 5BA _ DO2MC VMC_6575 VMCHVG VG 2VUSB_65753925milM CH A 116 E GND 2 3C5G BE GND 3 E GNDBA _ DO3Between IC and IO portC6 BA _ DO3G 2 B 113CB8 CUS

30、B CC11 BA _ DO4AMA 2AN30 03 93- 55 88VCAMA_ MU6CAMA _S 3C298uu 66 3VD1 BA _ DO5CAM _A AVCAM_A MU 6VCAMD_ MU6VCAM_IO MU V BR_ MU_OUVDD25_VA2_6575E2 BA _ DO5CAMD B5 CAM _IO A5 684 5 7 8 5 VDD 8_65756 A DD18_ OBR B6 E9 G3A DD18A DD18_D GA2 R25500 GN_ C 22 22A 2_S G5AVDD 8_DIGE5 uu 66 3VR258 00 02R C EV

31、R C7RfgFGN_IC/FGP_IC 4milG _ICG1GAS GAUGERE J2differential toCSR207KBA _ONR25600 G _ CGN_ICG2 CS- Rfg R209)K5 32K _IN7 R C_G O_2V8R20824K RE C299uu 66 VBC 1.1Keep at least 1 VIA1-2 each ballJ5 CHG_DGND_ RE K2 CHD_DH3 CHG_DMCHD_DM89 GND_ ROC1210 GND_ ROCGND_DR M 12G8 GND_ ROCGND_DR M 11G9 GND_ COREGN

32、D_IS NK K 10G10 GND_ COREGND_IS NK M8 H8 GND_ COREGND_S K1 M9 40 milH9 GND_ COREGND_S K1 KH10 GND_ O18GND_S K2 MJ8 GND_ O18GND_S K2 J9 GND_ O18K6 J10 GND_ R 18GND_ DO M6 3DVDD_EMIJ12 GND_ R 18GND_ DO GK 12 GND_ AGND_ DO HGND_ AGND_ DO JGND_ DO K8 31 8V IO for DDR1 2V IO for DDR2DVDD 2_EMIG6 GND_ DOG

33、ND_ DO H6J6 GND_ DOGND_ DO B GA _NC- 14R223 00GND_ DO14VDD 8_65754 5 7 8 5A1 1 B GA _NC A1 B GA _NC- 1U 00 BDD_EMI 9R222 00VM 2_ _ MUMM 6329DD_EMI 12H12 SS DD_EMI 14H16 SS DD_EMI 15C2074 5 7 8 5 VDD 8_6575H21 SS DD_EMI 1622 2u 66 3VJ8 SS DD_EMI 1J10 SS DD_EMI 18Close to MT6575J13 SS DD_EMI 21J16 SS

34、DD_EMI 23J19 SS DD_EMI G11J20 SS DD_EMI G15R246 44 7KR247 44 7KJ22 SS DD_EMI G1J24 SS D DD_N I N22VDD_ CDC2060n 66 3VBK 14 SS D DD_N I N23SC _2 SDA_2U 00 DBK 18 SS D DD_ CD N1014 SS D DD_ CD N11C20815 SS D DD_ CD 10SC _2 W26S C _2 USB 11_DM A C2916 SS SDA_226 S DA _2 USB 11_D AB 291SS 18 SS C2090n 6

35、6 3VA D2 S RS AC R 0 AC R 30 999SRS SIO SC KA C R 0M 14 SS D DD_CAM K8 DVDD_CAMA C2 S O 28 VCAM_ O MU6A C R 1M 15 SS D DD_B I A 13DVDD_B IA D26 S C KA C R 2 W29AC R 2 VDD28_65755 7 8 5M 16 SS D DD_BSI AB 12C22 000n 66 3VM 1A D29 S RS 2W2 MUC R 0 SS 999SRS 2 SIO2 SC K2M UC R 0M 18 SS D DD_NM 1 AB8 VD

36、D_ CDA D30 S O2M UC R 1 2MUC R VDD 8_6575 4 5 7 85N13 SS D DD_NM 2 AB9 A D28 S C K2 N14 SS D DD_NM 3 AE5 C22C22 33N15 SS D DD_NM 4 A C9N16 SS D DD_NM 5 253VSeparate SIO1/2 and SCLK1/2 SIO/SCLK trace 6milR22 66NC 00N1D DD_NM 6 U23SS VDD28_6575 5 7 8 5N18 SS D DD_NM 6 23R22 77VDD 8_6575 4 5 7 85N19 SS

37、 C22 44uu 66 3V13 SS 14 SS D DD_M C0 R22DVDD MC0 DVDD MCVDD 8_6575 4 5 7 8515 SS D DD_M C1 R23VGVDD28_6575 5 7 8 5VDD28_6575 5 7 8 516 SS D DD_M C2 23DVDD MC21D DD_M C3 AK4 DVDD MC3SS 18 SS 19 SS DDK 11M 6575E2_ DDR2_0 7R13 SS DDK K 12C22 55 C22 88 C22 66 C22 77VR CR14 SS DDK N1200n 66 3V 00n 66 3V

38、Close to MT6575R15 SS DDK 1200n 66 3V 66 3VR16 SS DDK R12R1DDK 12U205 AS33 VGSS R18 SS DDK U12R227 KR19 SS DDK 1221U 00 C13 SS DDK W 2U 00 HA 18 DA C_OUA DD18_A UD A 29 star connect to cap gnd C265 44 7u 66 3VVDD 8_6575 4 5 7 8514 SS DDK 13Close to MT6575C2400n 66 3VA H16 A DD28_R CD DD18_M I I X 1R

39、22500A SS 18_A UD A G25 star connect to cap. thicker)VDD 8_65754 5 7 8 515 SS DDK M 3A J15 A SS 28_R CD SS 18_M I I X H5C 50uu 66 3V16 SS DDK W 3VDDKAK 28 A CCDECOU _A SS 12N AK 29AVSS 2N C 6622 2u 66 3VVCORE_65754ACCDE1DDK G14A DD18_M I I H3A SS 12N_DAC A J30SS 18 SS DDK H14V CXO_ MUAK 18 A DD28_DA

40、C A SS 18_M I I 5C 4200n 66 3V274 C277C243uu 66 3VC260uu 66 3V19 SS DDK J14C A G29U13 SS DDK W 4D DD18_M I IRX H2C _ N A G30NU14 SS DDK K 15D SS 18_M I IRX 4C 55uu 66 3VR2c26lose to00 ICU15 SS DDK 15AK 22 A DD25_MD AK 25 NS A U_ IN0_M C A H25 VDD25_VA _65754444M C 0 M CN0 M CM CNVM C4U16 SS DDK K 16

41、C24uu 66 3VA C20 A SS 25_MD A J25 NS A U_ IN0_NEA RB AS A 26EARBIAS4U1DDK 16A J2 NS A U_ IN1_SS U19 SS DDK K 1AK 2 NS A U_ IN1_NA UX _ N0 A J20C259uu 66 3VADC0_ CM513 SS DDK 1K 23 A DD25_MEM A 25 NS A U_ IN2_A UX _ N1 A J1ADC0: LCM_IDADC1: Accessory5 VDD25_VA _6575ADC _ACCESSOR4ADC3_UM S_ empC246uu

42、66 3V14 SS DDK G18H20 A SS 25_MEM A DD18_MD AK 24VDD 8_65754 5 7 8 5AE 25 NS A U_ IN2_NA UX _ N2 A 16DDK H18A SS 18_MD A J26C 52uu 66 3VA UX _ N3 A J18Close to MT6575DDK J18A J29 H RA UX _ N4 A J1944H R HDDK U185 VDD25_VA _6575AK 19 A DD25_ DAC A J28 HADC3: UMTS TempDDK 19C247uu 66 3VW15 A SS 25_ DA

43、C 202 600 00MA UX _XM A H19VUSB_6575A H28 HSA UX _X A G1944HS HSNDDK _D S M 0A H29 HSN A UX _ M A 1N20VDDK DV SAK 21AA 28C256A G18DDK _D S20VA ROC_65755 VDD25_VA _6575W16 A DD25_A DD33_USB 11 18A UX _A1 C248uu 66 3V00n 66 3VA H30A 30 CORNER DDK _D S R20A SS 25_A SS 33_USB 11A UDRE NAK 30 CORNER DDK _D S 20AVSS 2NC238C273 C275AB 28A