94
6174B–ATARM–07-Nov-05
AT91FR40162S Preliminary
Note:
1. Bit Number refers to the data bit that corresponds to this signal in each of the User Interface registers.
Table 14-1.
Multiplexed Parallel I/Os
PIO Controller
Peripheral
Reset State
Pin
Number
Bit
Number
Port Name
Port Name
Signal Description
Signal Direction
0
P0
TCLK0
Timer 0 Clock signal
Input
PIO Input
49
1
P1
TIOA0
Timer 0 Signal A
Bi-directional
PIO Input
50
2
P2
TIOB0
Timer 0 Signal B
Bi-directional
PIO Input
51
3
P3
TCLK1
Timer 1 Clock signal
Input
PIO Input
54
4
P4
TIOA1
Timer 1 Signal A
Bi-directional
PIO Input
55
5
P5
TIOB1
Timer 1 Signal B
Bi-directional
PIO Input
56
6
P6
TCLK2
Timer 2 Clock signal
Input
PIO Input
57
7
P7
TIOA2
Timer 2 Signal A
Bi-directional
PIO Input
58
8
P8
TIOB2
Timer 2 Signal B
Bi-directional
PIO Input
59
9
P9
IRQ0
External Interrupt 0
Input
PIO Input
60
10
P10
IRQ1
External Interrupt 1
Input
PIO Input
63
11
P11
IRQ2
External Interrupt 2
Input
PIO Input
64
12
P12
FIQ
Fast Interrupt
Input
PIO Input
66
13
P13
SCK0
USART 0 clock signal
Bi-directional
PIO Input
67
14
P14
TXD0
USART 0 transmit data signal
Output
PIO Input
68
15
P15
RXD0
USART 0 receive data signal
Input
PIO Input
69
16
P16
–
–
–
PIO Input
70
17
P17
–
–
–
PIO Input
71
18
P18
–
–
–
PIO Input
72
19
P19
–
–
–
PIO Input
73
20
P20
SCK1
USART 1 clock signal
Bi-directional
PIO Input
74
21
P21
TXD1
USART 1 transmit data signal
Output
PIO Input
75
22
P22
RXD1
USART 1 receive data signal
Input
PIO Input
76
23
P23
–
–
–
PIO Input
83
24
P24
–
–
–
PIO Input
84
25
P25
MCKO
Master Clock Output
Output
MCKO
85
26
P26
NCS2
Chip Select 2
Output
NCS2
99
27
P27
NCS3
Chip Select 3
Output
NCS3
100
28
P28
A20/CS7
Address 20/Chip Select 7
Output
A20
25
29
P29
A21/CS6
Address 21/Chip Select 6
Output
A21
26
30
P30
A22/CS5
Address 22/Chip Select 5
Output
A22
29
31
P31
A23/CS4
Address 23/Chip Select 4
Output
A23
30