at91m42800 ATMEL Corporation, at91m42800 Datasheet - Page 3

• Manufacturer Part Number: at91m42800
• Description: At91 Arm Thumb Microcontrollers
• Manufacturer: ATMEL Corporation

Table 1. AT91M42800 Pinout in TQFP 144 Package
Pin
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
1
2
3
4
5
6
7
8
9
AT91M42800
PB2/A20/CS7
PB3/A21/CS6
PB4/A22/CS5
PB5/A23/CS4
VDDCORE
NLB/A0
VDDIO
VDDIO
VDDIO
GND
GND
GND
GND
A10
A11
A12
A13
A14
A15
A16
A17
A18
A19
D0
D1
D2
D3
A1
A2
A3
A4
A5
A6
A7
A8
A9
Pin
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
AT91M42800
PB15/TCLK3
PB18/TCLK4
PB21/TCLK5
PB12/TCLK2
PB10/TIOA1
PB11/TIOB1
PB13/TIOA2
PB14/TIOB2
PB16/TIOA3
PB17/TIOB3
PB19/TIOA4
PB20/TIOB4
PB6/TCLK0
PB9/TCLK1
PB7/TIOA0
PB8/TIOB0
VDDCORE
VDDIO
VDDIO
VDDIO
GND
GND
GND
GND
D10
D11
D12
D13
D14
D15
D4
D5
D6
D7
D8
D9
Pin
100
101
102
103
104
105
106
107
108
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
PA21/NPCSB0/NSSB
PA14/NPCSA0/NSSA
PA9/TXD1/NTRI
PA15/NPCSA1
PA16/NPCSA2
PA17/NPCSA3
PA22/NPCSB1
PA23/NPCSB2
PA24/NPCSB3
AT91M42800
PA11/SPCKA
PA18/SPCKB
PA12/MISOA
PA13/MOSIA
PA19/MISOB
PA20/MOSIB
PB23/TIOB5
PB22/TIOA5
PA25/MCKO
PA10/RXD1
VDDCORE
PA7/RXD0
PA5/SCK0
PA6/TXD0
PA8/SCK1
PA0/IRQ0
PA1/IRQ1
PA2/IRQ2
PA3/IRQ3
PA4/FIQ
VDDIO
VDDIO
VDDIO
GND
GND
GND
GND
Pin
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
AT91M42800
PA28/HOLDA
NWE/NWR0
PA29/HOLD
NUB/NWR1
VDDCORE
PA27/BMS
PB0/NCS2
PB1/NCS3
NOE/NRD
NWDOVF
JTAGSEL
GNDPLL
PLLRCA
VDDPLL
PLLRCB
VDDPLL
NTRST
VDDIO
VDDIO
NWAIT
VDDIO
XOUT
NRST
NCS0
NCS1
GND
GND
PA26
GND
GND
GND
TMS
TDO
TCK
XIN
TDI
3