AT91M55800A Datasheet, PDF (109/227 Pages) ATMEL Corporation – ARM Thumb Microcontrollers

AT91M55800A
Table 13. PIO Controller B Connection Table
PIO Controller
Peripheral
Bit
Number
Port
Name
Port Name
Signal Description
Signal
Direction
OFF
Value⁽¹⁾
0
PB0
–
–
–
–
1
PB1
–
–
–
–
2
PB2
–
–
–
–
3
PB3
IRQ4
External Interrupt 4
Input
0
4
PB4
IRQ5
External Interrupt 5
Input
0
5
PB5
–
–
–
0
6
PB6
AD0TRIG
ADC0 External Trigger
Input
0
7
PB7
AD1TRIG
ADC1 External Trigger
Input
0
8
PB8
–
–
–
–
9
PB9
–
–
–
–
10
PB10
–
–
–
–
11
PB11
–
–
–
–
12
PB12
–
–
–
–
13
PB13
–
–
–
–
14
PB14
–
–
–
–
15
PB15
–
–
–
–
16
PB16
–
–
–
–
17
PB17
–
–
–
–
18
PB18
BMS
Boot Mode Select
Input
0
19
PB19
TCLK0
Timer 0 Clock signal
Input
0
20
PB20
TIOA0
Timer 0 Signal A
Bi-directional
0
21
PB21
TIOB0
Timer 0 Signal B
Bi-directional
0
22
PB22
TCLK1
Timer 1 Clock signal
Input
0
23
PB23
TIOA1
Timer 1 Signal A
Bi-directional
0
24
PB24
TIOB1
Timer 1 Signal B
Bi-directional
0
25
PB25
TCLK2
Timer 2 Clock signal
Input
0
26
PB26
TIOA2
Timer 2 Signal A
Bi-directional
0
27
PB27
TIOB2
Timer 2 Signal B
Bi-directional
0
28
–
–
–
–
–
29
–
–
–
–
–
30
–
–
–
–
–
31
–
–
–
–
–
Note: 1. The OFF value is the default level seen on the peripheral input when the PIO line is enabled.
Reset State
PIO Input
PIO Input
PIO Input
PIO Input
PIO Input
PIO Input
PIO Input
PIO Input
PIO Input
PIO Input
PIO Input
PIO Input
PIO Input
PIO Input
PIO Input
PIO Input
PIO Input
PIO Input
PIO Input
PIO Input
PIO Input
PIO Input
PIO Input
PIO Input
PIO Input
PIO Input
PIO Input
PIO Input
–
–
–
–
Pin
Number
139
140
141
142
143
144
145
146
149
150
151
152
153
154
155
156
157
158
163
55
56
57
58
61
62
63
64
65
–
–
–
–
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