Filter
Top Products
115
1745D–ATARM–04-Nov-05
AT91M55800A
16.8 PIO Connection Tables
Note: 1. The OFF value is the default level seen on the peripheral input when the PIO line is enabled.
Table 16-1. PIO Controller A Connection Table
PIO Controller Peripheral
Reset State
Pin
Number
Bit
Number
Port
Name Port Name Signal Description
Signal
Direction
OFF
Value
(1)
0 PA0 TCLK3 Timer 3 Clock signal Input 0 PIO Input 66
1 PA1 TIOA3 Timer 3 Signal A Bi-directional 0 PIO Input 67
2 PA2 TIOB3 Timer 3 Signal B Bi-directional 0 PIO Input 68
3 PA3 TCLK4 Timer 4 Clock signal Input 0 PIO Input 69
4 PA4 TIOA4 Timer 4 Signal A Bi-directional 0 PIO Input 70
5 PA5 TIOB4 Timer 4 Signal B Bi-directional 0 PIO Input 71
6 PA6 TCLK5 Timer 5 Clock signal Input 0 PIO Input 72
7 PA7 TIOA5 Timer 5 Signal A Bi-directional 0 PIO Input 75
8 PA8 TIOB5 Timer 5 Signal B Bi-directional 0 PIO Input 76
9 PA9 IRQ0 External Interrupt 0 Input 0 PIO Input 77
10 PA10 IRQ1 External Interrupt 1 Input 0 PIO Input 78
11 PA11 IRQ2 External Interrupt 2 Input 0 PIO Input 79
12 PA12 IRQ3 External Interrupt 3 Input 0 PIO Input 80
13 PA13 FIQ Fast Interrupt Input 0 PIO Input 81
14 PA14 SCK0 USART 0 Clock signal Bi-directional 0 PIO Input 82
15 PA15 TXD0 USART 0 transmit data Output – PIO Input 83
16 PA16 RXD0 USART 0 receive data Input 0 PIO Input 84
17 PA17 SCK1 USART 1 Clock signal Bi-directional 0 PIO Input 85
18 PA18 TXD1 USART 1 transmit data Output – PIO Input 86
19 PA19 RXD1 USART 1 receive data Input 0 PIO Input 91
20 PA20 SCK2 USART 2 Clock signal Bi-directional 0 PIO Input 92
21 PA21 TXD2 USART 2 transmit data Output – PIO Input 93
22 PA22 RXD2 USART 2 receive data Input 0 PIO Input 94
23 PA23 SPCK SPI Clock signal Bi-directional 0 PIO Input 95
24 PA24 MISO SPI Master In Slave Out Bi-directional 0 PIO Input 96
25 PA25 MOSI SPI Master Out Slave In Bi-directional 0 PIO Input 97
26 PA26 NPCS0 SPI Peripheral Chip Select 0 Bi-directional 1 PIO Input 98
27 PA27 NPCS1 SPI Peripheral Chip Select 1 Output – PIO Input 99
28 PA28 NPCS2 SPI Peripheral Chip Select 2 Output – PIO Input 100
29 PA29 NPCS3 SPI Peripheral Chip Select 3 Output – PIO Input 101
30 – – – – – – –
31 – – – – – – –