參數(shù)資料
型號: 25C256
廠商: Microchip Technology Inc.
英文描述: 256K 5.0V SPI Bus Serial EEPROM(4.5~5.5V,256K位,SPI總線串行EEPROM)
中文描述: 256K 5.0V SPI總線串行EEPROM(4.5?5.5V的,256K位和SPI總線串行EEPROM的)
文件頁數(shù): 53/170頁
文件大?。?/td> 4191K
代理商: 25C256
2003 Microchip Technology Inc.
Preliminary
DS40300C-page 51
PIC16F62X
REGISTER 8-1:
T2CON: TIMER CONTROL REGISTER (ADDRESS: 12h)
TABLE 8-1:
REGISTERS ASSOCIATED WITH TIMER2 AS A TIMER/COUNTER
U-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
TOUTPS3
TOUTPS2 TOUTPS1
TOUTPS0
TMR2ON T2CKPS1 T2CKPS0
bit 7
bit 0
bit 7
Unimplemented:
Read as '0'
bit 6-3
TOUTPS3:TOUTPS0
: Timer2 Output Postscale Select bits
0000
= 1:1 Postscale Value
0001
= 1:2 Postscale Value
1111
= 1:16 Postscale
bit 2
TMR2ON
: Timer2 On bit
1
= Timer2 is on
0
= Timer2 is off
bit 1-0
T2CKPS1:T2CKPS0
: Timer2 Clock Prescale Select bits
00
= 1:1 Prescaler Value
01
= 1:4 Prescaler Value
1x
= 1:16 Prescaler Value
Legend:
R = Readable bit
W = Writable bit
U = Unimplemented bit, read as ‘0’
-n = Value at POR
’1’ = Bit is set
’0’ = Bit is cleared
x = Bit is unknown
Address Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Value on
POR
Value on
all other
RESETS
0Bh/8Bh/
10Bh/18Bh
INTCON
GIE
PEIE
T0IE
INTE
RBIE
T0IF
INTF
RBIF
0000 000x
0000 000u
0Ch
PIR1
EEIF
CMIF
RCIF
TXIF
CCP1IF
TMR2IF
TMR1IF
0000 -000
0000 -000
8Ch
PIE1
EEIE
CMIE
RCIE
TXIE
CCP1IE
TMR2IE
TMR1IE
0000 -000
0000 -000
11h
TMR2
Timer2 module’s register
0000 0000
0000 0000
12h
T2CON
TOUTPS3 TOUTPS2 TOUTPS1 TOUTPS0
TMR2ON
T2CKPS1
T2CKPS0
-000 0000
-000 0000
92h
Legend:
x
= unknown,
u
= unchanged,
-
= unimplemented read as '0'. Shaded cells are not used by the Timer2 module.
PR2
Timer2 Period Register
1111 1111
1111 1111
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