參數(shù)資料
型號(hào): 16F871
廠商: Microchip Technology Inc.
英文描述: CAT 5E CROSSOVER PATCH CORD CABLE GREEN 6 FT
中文描述: 28/40-Pin 8位CMOS閃存微控制器
文件頁數(shù): 95/156頁
文件大小: 2816K
代理商: 16F871
1999 Microchip Technology Inc.
Preliminary
DS30569A-page 95
PIC16F870/871
TABLE 11-3:
Oscillator Configuration
TIME-OUT IN VARIOUS SITUATIONS
TABLE 11-4:
STATUS BITS AND THEIR SIGNIFICANCE
TABLE 11-5:
RESET CONDITION FOR SPECIAL REGISTERS
Power-up
Brown-out
Wake-up from
SLEEP
PWRTE = 0
72 ms + 1024T
OSC
72 ms
PWRTE = 1
1024T
OSC
XT, HS, LP
RC
72 ms + 1024T
OSC
72 ms
1024T
OSC
POR
BOR
TO
PD
0
x
1
1
Power-on Reset
Illegal, TO is set on POR
Illegal, PD is set on POR
Brown-out Reset
WDT Reset
WDT Wake-up
MCLR Reset during normal operation
MCLR Reset during SLEEP or interrupt wake-up from SLEEP
0
x
0
x
0
x
x
0
1
0
1
1
1
1
0
1
1
1
0
0
1
1
u
u
1
1
1
0
Condition
Program
Counter
000h
000h
000h
000h
PC + 1
000h
PC + 1
(1)
STATUS
Register
PCON
Register
Power-on Reset
MCLR Reset during normal operation
MCLR Reset during SLEEP
WDT Reset
WDT Wake-up
Brown-out Reset
Interrupt wake-up from SLEEP
Legend:
u
= unchanged,
x
= unknown,
-
= unimplemented bit read as '0'.
Note 1:
When the wake-up is due to an interrupt and the GIE bit is set, the PC is loaded with the interrupt vector
(0004h).
0001 1xxx
---- --0x
000u uuuu
---- --uu
0001 0uuu
---- --uu
0000 1uuu
---- --uu
uuu0 0uuu
---- --uu
0001 1uuu
---- --u0
uuu1 0uuu
---- --uu
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