AT32UC3A
Table 10-8.
PID Value
4
5
6
7
8
9
10
11
12
13
14
15
16
17
PDC Handshake Signals
Peripheral module & direction
USART2 - RX
USART3 - RX
TWI - RX
SPI0 - RX
SPI1 - RX
SSC - TX
USART0 - TX
USART1 - TX
USART2 - TX
USART3 - TX
TWI - TX
SPI0 - TX
SPI1 - TX
ABDAC
10.7
Peripheral Multiplexing on I/O lines
Each GPIO line can be assigned to one of 3 peripheral functions; A, B or C. The following table
define how the I/O lines on the peripherals A, B and C are multiplexed by the GPIO.
Table 10-9.
TQFP100
19
20
23
24
25
26
27
28
29
30
31
33
36
37
39
40
GPIO Controller Function Multiplexing
VQFP144
25
27
30
32
34
39
41
43
45
47
48
50
53
54
56
57
PIN
PA00
PA01
PA02
PA03
PA04
PA05
PA06
PA07
PA08
PA09
PA10
PA11
PA12
PA13
PA14
PA15
GPIO Pin
GPIO 0
GPIO 1
GPIO 2
GPIO 3
GPIO 4
GPIO 5
GPIO 6
GPIO 7
GPIO 8
GPIO 9
GPIO 10
GPIO 11
GPIO 12
GPIO 13
GPIO 14
GPIO 15
Function A
USART0 - RXD
USART0 - TXD
USART0 - CLK
USART0 - RTS
USART0 - CTS
USART1 - RXD
USART1 - TXD
USART1 - CLK
USART1 - RTS
USART1 - CTS
SPI0 - NPCS[0]
SPI0 - MISO
SPI0 - MOSI
SPI0 - SCK
SSC -
TX_FRAME_SYNC
SSC - TX_CLOCK
SPI1 - NPCS[0]
SPI1 - SCK
EBI - NCS[0]
EBI - ADDR[20]
Function B
TC - CLK0
TC - CLK1
TC - CLK2
EIM - EXTINT[4]
EIM - EXTINT[5]
PWM - PWM[4]
PWM - PWM[5]
PM - GCLK[0]
SPI0 - NPCS[1]
SPI0 - NPCS[2]
EIM - EXTINT[6]
USB - USB_ID
USB - USB_VBOF
SPI0 - NPCS[3]
EIM - EXTINT[7]
MACB - WOL
DAC - DATA[0]
DAC - DATAN[0]
Function C
30
32058FS–AVR32–08/08
ATMEL [ ATMEL CORPORATION ]
