R12 R13 R14
200 200 200
M2 M2
M1 M1
M0 M0
M1
M0
MODE JUMPERS
R15 R16 R17
10K 10K 10K
3V3IO
M2
1. ALL CAPACITORS 0.1uF.
NOTES:
6
5
4
3
2
1
JTAG
3V3AUX
R4 100
R3 100
R2 100
TDO
TCK
TMS
TDI
16 NC
15 NC
14 NC
12 NC
9 NC
2 NC
13 CEO
XCF01S
OE/RESET 8
CLK 3
DO 1
GND 11
CE 10
CF 7
5 TMS
4 TDI
17 TDO
6 TCK
U1
VCCJ 20
VCCINT 18
VCCO 19
C22
C25
C16
C19
C4
C3
CE
C2
3V3IO 3V3IO 3V3IO
ENABLE
11
22
33
R7
4.7K
DONE
INIT
R11
390
3V3IO
C15
C24
C23
C20
C21
C17
C18
C26
PROG_B
R10
4.7K
R6
4.7K DONE
3V3AUX
R9
390
R21 0
R19 0
C28
C29
C30
C27
71 DIN
72 CCLK
XC3S50A
144 PROG_B
67 INIT_B
73 DONE
3V3AUX
XC3S50A
R5
4.7K
3V3AUX 36 3V3AUX 66 VCCAUX 3V3AUX 108 VCCAUX 3V3AUX 133 VCCAUX VCCAUX
3V3IO 119 3V3IO 136 VCC0 3V3IO 95 VCC0 3V3IO 86 VCC1 3V3IO 40 VCC1 3V3IO 61 VCC2 3V3IO 14 VCC2 3V3IO 23 VCC3 VCC3
1V2INT 22 1V2INT 52 VCCINT 1V2INT 94 VCCINT 1V2INT 122 VCCINT VCCINT
9 GND
17 GND
26 GND
34 GND
56 GND
65 GND
81 GND
89 GND
100 GND
106 GND
118 GND
128 GND
137 GND
1 TMS
2 TDI
107 TDO
109 TCK
U2
SUSPEND 74
M0 38
M1 37
M2 39
U2
0
R20
M1
M2
M0
■ SCHEMATIC 2. In reality, all of the like
power supply pins are connected to the
same PCB power plane. I’ve broken out the
pins so that you can associate each bypass
capacitor with the power pin it serves.
70
September 2008
