參數(shù)資料
型號(hào)： KSZ8864RMNI
廠商： Micrel Inc
文件頁(yè)數(shù)： 11/111頁(yè)
文件大小： 0K
描述： IC ETHERNET SWITCH 4PORT 64QFN
特色產(chǎn)品： KSZ8864RMN Ethernet Switches
標(biāo)準(zhǔn)包裝： 348
系列： *
其它名稱： 576-3995
PIC16C9XX
DS30444E - page 108
1997 Microchip Technology Inc.
TABLE 14-4: STATUS BITS AND THEIR SIGNIFICANCE
TABLE 14-5: RESET CONDITION FOR SPECIAL REGISTERS
POR
TO
PD
0
1
Power-on Reset
0
x
Illegal, TO is set on POR
0
x
0
Illegal, PD is set on POR
1
0
1
WDT Reset
1
0
WDT Wake-up
1
u
MCLR Reset during normal operation
1
0
MCLR Reset during SLEEP or interrupt wake-up from SLEEP
Legend: u = unchanged, x = unknown
Condition
Program
Counter
STATUS
Register
PCON
Register
Power-on Reset
000h
0001 1xxx
---- --0-
MCLR Reset during normal operation
000h
000u uuuu
---- --u-
MCLR Reset during SLEEP
000h
0001 0uuu
---- --u-
WDT Reset
000h
0000 1uuu
---- --u-
WDT Wake-up
PC + 1
uuu0 0uuu
---- --u-
Interrupt wake-up from SLEEP
PC + 1(1)
uuu1 0uuu
---- --u-
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).
TABLE 14-6: INITIALIZATION CONDITIONS FOR ALL REGISTERS
Register
Applicable Devices
Power-on Reset
MCLR Resets
WDT Reset
Wake-up via
WDT or
Interrupt
W
923
924
xxxx xxxx
uuuu uuuu
INDF
923
924
N/A
TMR0
923
924
xxxx xxxx
uuuu uuuu
PCL
923
924
0000h
PC + 1(2)
STATUS
923
924
0001 1xxx
000q quuu(3)
uuuq quuu(3)
FSR
923
924
xxxx xxxx
uuuu uuuu
PORTA
923
924
--xx xxxx
--uu uuuu
PORTA
923
924
--0x 0000
(5)
--0u 0000
(5)
--uu uuuu
PORTB
923
924
xxxx xxxx
uuuu uuuu
PORTC
923
924
--xx xxxx
--uu uuuu
Legend: u = unchanged,
x
= unknown,
-
= unimplemented bit, read as '0', q = value depends on condition
Note 1: One or more bits in INTCON and/or PIR1 will be affected (to cause wake-up).
2: When the wake-up is due to an interrupt and the GIE bit is set, the PC is loaded with the interrupt vector
(0004h).
3: See Table 14-5 for reset value for specic condition.
4: Bits PIE1<6> and PIR1<6> are reserved on the PIC16C923, always maintain these bits clear.
5: PORTA values when read.
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