參數(shù)資料
型號: P87C576EFAA
廠商: NXP SEMICONDUCTORS
元件分類: 微控制器/微處理器
英文描述: 80C51 8-bit microcontroller family 8K/256 OTP/ROM, 6 channel 10-bit A/D, 4 comparators, failure detect circuitry, watchdog timer
中文描述: 8-BIT, OTPROM, 16 MHz, MICROCONTROLLER, PQCC44
封裝: PLASTIC, MO-047AC, SOT-187-2, LCC-44
文件頁數(shù): 20/46頁
文件大小: 447K
代理商: P87C576EFAA
Philips Semiconductors
Product specification
83C576/87C576
80C51 8-bit microcontroller family
8K/256 OTP/ROM, 6 channel 10-bit A/D, 4 comparators,
failure detect circuitry, watchdog timer
1998 Jun 04
20
PRE2
PRE1
PRE0
LVRE
OFRE
DPD
WDRUN
WDMOD
WDCON
(C4H)
8COUNTER
PRESCALER
OSC/2
MOV WFEED1,#0A5H
MOV WFEED2,#5AH
WATCHDOG FEED SEQUENCE
ROM–CODE
CONTENT
WDL
WDCON
ADDRESS
2031H
2030H
1
SU00658C
RESET
WDTOF (PCON.2)
1
Figure 16.
Watchdog Timer of 83C576 in Watchdog Mode (EA = 1, WDMOD = 1)
PRE2
PRE1
PRE0
LVRE
OFRE
DPD
WDRUN
WDMOD
WDCON
(C4H)
8COUNTER
PRESCALER
OSC/2
MOV WFEED1,#0A5H
MOV WFEED2,#5AH
WATCHDOG FEED SEQUENCE
ROM–CODE
CONTENT
WDCON
ADDRESS
2030H
0
SU00659C
WDTOF (PCON.2)
WDL
(C1H)
Figure 17.
Watchdog Timer of 83C576 in Timer Mode (EA = 1, WDMOD = 0)
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