參數(shù)資料
型號: MC80C52EXXX-25/883:D
廠商: ATMEL CORP
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 25 MHz, MICROCONTROLLER, CDIP40
封裝: 0.600 INCH, SIDE BRAZED, DIP-40
文件頁數(shù): 132/141頁
文件大?。?/td> 7628K
60
2486AA–AVR–02/2013
ATmega8(L)
Notes:
1. INTRC means that the internal RC Oscillator is selected (by the CKSEL Fuse)
2. EXT means that the external RC Oscillator or an external clock is selected (by the CKSEL
Fuse)
Table 23. Overriding Signals for Alternate Functions in PB7..PB4
Signal
Name
PB7/XTAL2/
TOSC2(1)(2)
PB6/XTAL1/
TOSC1(1)
PB5/SCK
PB4/MISO
PUOE
EXT (INTRC +
AS2)
INTRC + AS2
SPE MSTR
PUO
0
PORTB5 PUD
PORTB4 PUD
DDOE
EXT (INTRC +
AS2)
INTRC + AS2
SPE MSTR
DDOV
0
PVOE
0
SPE MSTR
PVOV
0
SCK OUTPUT
SPI SLAVE OUTPUT
DIEOE
EXT (INTRC +
AS2)
INTRC + AS2
0
DIEOV
0
DI
SCK INPUT
SPI MSTR INPUT
AIO
Oscillator Output
Oscillator/Clock
Input
––
Table 24. Overriding Signals for Alternate Functions in PB3..PB0
Signal
Name
PB3/MOSI/OC2
PB2/SS/OC1B
PB1/OC1A
PB0/ICP1
PUOE
SPE MSTR
00
PUO
PORTB3 PUD
PORTB2 PUD
00
DDOE
SPE MSTR
00
DDOV
0
PVOE
SPE MSTR +
OC2 ENABLE
OC1B ENABLE
OC1A ENABLE
0
PVOV
SPI MSTR OUTPUT + OC2
OC1B
OC1A
0
DIEOE
0
000
DIEOV
0
000
DI
SPI SLAVE INPUT
SPI SS
–ICP1 INPUT
AIO
–––
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