Appendix B – Schematics
AT91EB42 Evaluation Board User Guide 6-7Figure 6-6. AT91M42800VDDCORE
VDDPLL
VCC3V3 VCC3V3
VCC3V3
VDDIO
VDDIO
VDDCORE
JTAG[0..4]
NRST
NWDOVF
JTAGSEL
Guard ring
PLL filter A
PLL filter B
Guard ring
Default
boot Mode :
16 Bits
VDDIO
VDDIO
VDDIO
VDDIO
VDDIO
VDDIO
JTAG[0..4]
JTAG0
JTAG2
JTAG1
JTAG3
JTAG4
JTAGSEL
NWDOVF
PLLRCB
PLLRCA
XOUT
XIN
VT
XOUT
XIN
PLLRCB
PLLRCA
CTL5
JTAGSEL
NWDOVF
PA29
PA26
PA27
PA28
BMS PA27
NWAIT CTL3
VT
EBI_[0..15]D[0..15]
A0
D0
A17
D2
A13
CTL0
D15
D3
A15
A19
A5
A7
CTL2
A2
D5
D6
A16
A6
D13
CTL4
CTL3
A10
D8
A12
A4
D4
D12
CTL6
D11
A14
CTL[0..6]
CTL5 D14
A11
A[0..19]
EBI_[16..35]A8
A18
D1
CTL[0..6]
EBI_[36..42]A3
A1
D10
A[0..19]
A9
D7
D9
CTL1
PB[0..23]
IOB_[0..29]PA5
VDDCORE
PB23
PA1
PA9
PA12
PA[0..29]
PB20
VDDCORE
PA2
PA8
PA6
PB6
PB1
PA4
PA15
PA22
PA23
PA18
PA21
PB9
PA13
PB4
PB16
VDDIO
PA3
PB21
PB12
PB11
PA7
PA0
PB13
PB19
VDDIO
PA19
PB7
PB3
PB14
PA[0..29]
PA24
PB[0..23]
PB18
VDDCORE
VDDIO
PA20
PA11
PB[0..23]
PB15
PB[0..23]
IOB_[30..53]
PB22
PB17
PB8
VDDIO
PA14
PB0
PB5
PA17
PB10
PB2
PA16
PA10
PA25
C30
100nF
C49
100nF
C50
100nF
Y1
32,768kHz
12
C43
1 2
C44
1 2
R20680R 1%
1 2
C47
100nF 10%
1 2
C48
1µF 10%
1 2
R19100R 1%
1 2
R21120R 1%
1 2
C46
100nF 10%
1 2
R181K50 1%
1 2
C45
10nF 10%
1 2
R41
100K CB12
1 2 R46
100K
CB16
12
R48
100K
U11
AT91M42800
GND
1
GND
2
NLB / A0
3
A1
4
A2
5
A3
6
A4
7
A5
8
A6
9
A7
10
A8
11
A9
14
A10
15
A11
16
A12
17
A13
18
A14
19
A15
20
A16
21
A17
22
A18
23
A19
26
PB2 / A20 / CS7
27
PB3 / A21 / CS6
28
PB4 / A22 / CS5
29
PB5 / A23 / CS4
30
D0
31
D1
32
D2
33
D3
34
VDDIO
12
GND
13
GND
25
VDDCORE
35
VDDIO
36
GND 37
GND 38
GND 49
D4 39
D5 40
D6 41
D7 42
D8 43
D9 44
D10 45
D11 46
D12 47
D13 50
D14 51
D15 52
PB6 / TCLK0 53
PB7 / TIOA0 54
PB8 / TIOB0 55
PB9 / TCLK1 56
PB10 / TIOA1 57
PB11 / TIOB1 58
PB12 / TCLK2 59
PB13 / TIOA2 62
PB14 / TIOB2 63
PB15 / TCLK3 64
PB16 / TIOA3 65
PB17 / TIOB3 66
PB18 / TCLK4 67
PB19 / TIOA4 68
PB20 / TIOB4 69
PB21 / TCLK5 70
VDDIO 48
VDDIO 60
GND 61
VDDCORE 71
VDDIO 72
GND 73
GND 74
PB22 / TIOA5 75
PB23 / TIOB5 76
PA0 / IRQ0 77
PA1 / IRQ1 78
PA2 / IRQ2 79
PA3 / IRQ3 80
PA4 / FIQ 81
PA5 / SCK0 82
PA6 / TXD0 83
PA7 / RXD0 86
PA8 / SCK1 87
PA9 / TXD1 / NTRI 88
PA10 / RXD1 89
PA11 / SPCKA 90
PA12 / MISOA 91
PA13 / MOSIA 92
PA14 / NPCSA0 / NSSA 93
PA15 / NPCSA1 94
PA16 / NPCSA2 95
PA17 / NPCSA3 98
VDDIO 84
GND 85
VDDIO 96
GND 97
PA18 / SPCKB 99
PA19 / MISOB 100
PA20 / MOSIB 101
PA21 / NPCSB0 / NSSB 102
PA22 / NPCSB1 103
PA23 / NPCSB2 104
PA24 / NPCSB3 105
PA25 / MCKO 106
VDDCORE 107
VDDIO 108
GND
109
GND
110
PA26
111
GND
112
XIN
113
XOUT
114
PLLRCA
116
VDDPLL
117
PLLRCB
118
VDDPLL
119
GND
115
VDDIO
120
GND
121
NWDOVF
122
PA27 / BMS
123
JTAGSEL
124
TMS
125
TDI
126
TDO
127
TCK
128
NTRST
129
NRST
130
PA28 / HOLDA
131
GND
133 VDDIO
132
PA29 / HOLD
134
NWAIT
135
NOE / NRD
136
NWE / NWR0
137
NUB / NWR1
138
NCS0
139
NCS1
140
PB0 / NCS2
141
PB1 / NCS3
142
VDDCORE
143
VDDIO
144
VDDIO
24
C29
100nF
C28 100nF
C51
100nF