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VDD VDD C26 100nF GND
C27 100nF
VDD GND ARST DD7 DD6 DD5 DD4 DD3 DD2 DD1 DD0 GND VDD nWR nRD VDD INTQ A1 A0 nCS0 R1 R2 R3 R4 R5 R6 R7 R8 R9 R10 R11 R12 R13 R14 R15 R16 R17
C28 100nF JP1 1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40
GND GND DD8 DD9 DD10 DD11 DD12 DD13 DD14 DD15 VDD C32 100nF GND 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
U3 R18 R19 R20 R21 R22 R23 R24 R25 16 15 14 13 12 11 10 TX D 9 RX D C13 VDD 2.2uF GND NC NC NC NC NC GND R/nB nRE nCE NC NC VCC VSS NC NC CLE ALE nWE nWP NC NC NC NC NC K9F5608 VDD C29 100nF GND U4 DD3 DD4 DD5 DD6 DD7 SnCS DD10 nRD DD11 DD9 DD8 DD13 nWR VDD LV R 15 16 17 18 19 20 21 22 23 24 25 26 27 28 I/O4 I/O5 I/O6 I/O7 I/O8 nCS A10 nOE A11 A9 A8 A13 nWE VCC HY62WT08081E VSS I/O1 I/O2 I/O3 A0 A1 A2 A3 A4 A5 A6 A7 A12 A14 14 13 12 11 10 9 8 7 6 5 4 3 2 1 DD0 DD1 DD2 A0 A1 A2 A3 A4 A5 A6 A7 DD12 DD14 GND NC NC NC NC I/O7 I/O6 I/O5 I/O4 NC NC NC VCC VSS NC NC NC I/O3 I/O2 I/O1 I/O0 NC NC NC NC 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25
RJ1 CON9 U2 1 2 3 4 5 6 7 8 9 D VDD GND 1 ALE 11 DD0 DD1 DD2 DD3 DD4 DD5 DD6 DD7 2 3 4 5 6 7 8 9 OC C 1D 2D 3D 4D 5D 6D 7D 8D 74LV573 VDD 1K JP7 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 JP8 1Q 2Q 3Q 4Q 5Q 6Q 7Q 8Q 19 18 17 16 15 14 13 12 A0 A1 A2 A3 A4 A5 A6 A7 FnCE SnCS 9 10 74LV00 U5C 8 nCS0
V CC GND T1out R1in R1out T1in T2in R2out
U6 MAX232CWE JP3 RS232 1 2 3 4 VDD R2in T2out GND
A7 SnCS
4 5
U5B 6 74LV00
R/nB nRD FnCE VDD
DD7 DD6 DD5 DD4 D VDD
GND C12 R26 A2 R27 VDD GND 1 2 3 4 5 6 7 8
C1+ V+ C1C2+ C2VT2out R2in
LED1 R28
2.2uF C9 C10 C11 2.2uF GND
GND A0 A1 nWR A2
GND DD3 DD2 DD1 DD0
IED PORT 2.2uF 2.2uF
D+ DVDD VSS RX D TX D nIN T0 RM T T0 T1 nW R nRD AVDD AVSS A REF P A REF N A IN 0 A IN 1 SHDN A RS T

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