D D Rabod current :250mA VDD_IO VDD_IO VDD_IO FRB_N GND GND VDD_IO GPIO1 FCE1_N V18 GND FCE0_N FWR_N FRD_N FCLE FALE R3 D1 LED2 330ohm C18 1uF 4.7uF 48 47 46 45 44 43 42 41 40 39 38 37 1 - 4.7uF RESET_N CRYSTAL CIRCUIT XI R5 XO 1M Y1 J1 1 2 3 4 5 6 +5V DM DP 1 2 VDDA XO XI VSSA VS33P VD33P REXT DP DM VDD3A VDD3A NC 12MHz C4 20p C5 20p TESTMODE GND_IO VDD_IO GPIO1 FCE1_N VDD_CORE GND_CORE FCE0_N FWR_N FRD_N FCLE FALE 1 2 3 4 5 6 7 8 9 10 11 12 Netac Netac R R NT2033CMS YYWW YYWW FIO7 GND_IO VDD_IO FIO6 FIO5 GND_CORE VDD_CORE FIO4 FIO3 FIO2 FIO1 FIO0 36 35 34 33 32 31 30 29 28 27 26 25 RESET_F FRB2_N FRB_N FRD_N FCE0_N FCE1_N FIO7 GND VDD_IO FIO6 FIO5 GND V18 FIO4 FIO3 FIO2 FIO1 FIO0 VDD_IO GND FCLE FALE FWR_N FWP_N 13 14 15 16 17 18 19 20 21 22 23 24 VCC DD+ GND 5 6 V18 XO XI GND GND VDD_IO REXT DP DM VDD_IO VDD_IO V18 V18 GND3A GND3A GND_CORE VDD_CORE RESET_N GPIO2 GPIO0 VDD_IO GND_IO FRB_N 2 C U3 U1 GPIO0 V18 V18 GND GND GND V18 RESET_N GND GPIO0 VDD_IO GND FRB_N USB 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 NC NC NC NC NC SE R/B RE CE CE2 NC VCC VSS NC NC CLE ALE WE WP NC NC NC NC NC NC NC NC NC D7 D6 D5 D4 NC NC NC VCC FLASH A VSS NC NC NC D3 D2 D1 D0 NC NC NC NC FLASH A 1 C2 + 2 2 R9 680R 470R R15 47K 10V 10% - C1 10V 10% + R4 2 Vout 1 1 Vin GND U2 XC62FP3302_1 3 VDD_IO REXT 5V to 3.3V Regulator +5V 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 FIO7 FIO6 FIO5 FIO4 VDD_IO C C6 1uF GND VDD_IO GND FIO3 FIO2 FIO1 FIO0 FLASH1 B B Bypass Cap VDD_IO VDD_IO FRB2_N V18 V18 V18 VDD_IO C7 C8 C9 C12 C10 C13 1uF 1uF 1uF 1uF 1uF 1uF C7 must be near U1 Pin10、11 C8 must be near U1 Pin6 C9 must be near U1 Pin13、14 C10 must be near U1 Pin18 C12 must be near U1 Pin1 C13 must be near U1 Pin22 R1 0R R2 0R R20 0R GPIO1 R19 0R FRB_N VDD_IO 接双片选的flash 时，R1 不焊、R2焊上。 接单片选的flash 时，R1 焊上、R2不焊。 RESET_F FWP_N R18 4.7K 接AGN_FLASH时，R20,R19,R18焊上。 其它FLASH，R18 焊上、R19,R20不焊。 A A Title Size B Date: File: NETAC朗科 Number Netac Technology Co., Ltd. NT2033CMS方案 30-Jan-2007 Sheet of E:\wanglong\ddd\王龙060927\MyDesign\MyDesign.ddb Drawn By: Revision V5.2.4