参数资料
型号: IV80C52EXXX-25:RD
厂商: ATMEL CORP
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, 25 MHz, MICROCONTROLLER, PQFP44
封装: 1.40 MM HEIGHT, VQFP-44
文件页数: 82/134页
文件大小: 3805K
51
8068U–AVR–06/2013
XMEGA A3
Not recommended for new designs -
Use XMEGA A3U series
30.2
Alternate Pin Functions
The tables below show the main and alternate pin functions for all pins on each port. They also
show which peripheral that makes use of or enables the alternate pin function.
Table 30-1.
Port A - Alternate functions
PORT A
PIN #
INTERRUPT
ADCA POS
ADCA NEG
ADCA
GAINPOS
ADCA
GAINNEG
ACA POS
ACA NEG
ACA OUT
REFA
GND
60
AVCC
61
PA0
62
SYNC
ADC0
AC0
AREF
PA1
63
SYNC
ADC1
AC1
PA2
64
SYNC/ASYNC
ADC2
AC2
PA3
1
SYNC
ADC3
AC3
PA4
2
SYNC
ADC4
AC4
PA5
3
SYNC
ADC5
AC5
PA6
4
SYNC
ADC6
AC6
PA7
5
SYNC
ADC7
AC7
AC0 OUT
Table 30-2.
Port B - Alternate functions
PORT B
PIN #
INTERRUPT
ADCB
POS
ADCB
NEG
ADCB
GAINPOS
ADCB
GAINNEG
ACB POS
ACB NEG
ACB OUT
DACB
REFB
JTAG
PB0
6
SYNC
ADC0
AC0
AREF
PB1
7
SYNC
ADC1
AC1
PB2
8
SYNC/ASYNC
ADC2
AC2
DAC0
PB3
9
SYNC
ADC3
AC3
DAC1
PB4
10
SYNC
ADC4
AC4
TMS
PB5
11
SYNC
ADC5
AC5
TDI
PB6
12
SYNC
ADC6
AC6
TCK
PB7
13
SYNC
ADC7
AC7
AC0 OUT
TDO
GND
14
VCC
15
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