參數(shù)資料
型號(hào)： PIC10F202T-I/PG
元件分類： 微控制器/微處理器
英文描述： 8-BIT, FLASH, 4 MHz, RISC MICROCONTROLLER, PDIP8
封裝： 0.300 INCH, LEAD FREE, PLASTIC, MS-001, DIP-8
文件頁(yè)數(shù)： 15/88頁(yè)
文件大小： 1127K
代理商： PIC10F202T-I/PG
PIC10F200/202/204/206
DS41239A-page 20
Preliminary
2004 Microchip Technology Inc.
4.5
Option Register
The Option register is a 8-bit wide, write-only register,
which contains various control bits to configure the
Timer0/WDT prescaler and Timer0.
By executing the OPTION instruction, the contents of
the W register will be transferred to the Option register.
A Reset sets the OPTION<7:0> bits.
REGISTER 4-2:
OPTION REGISTER
Note:
If TRIS bit is set to ‘0’, the wake-up on
change and pull-up functions are disabled
for that pin (i.e., note that TRIS overrides
Option control of GPPU and GPWU).
Note:
If the T0CS bit is set to ‘1’, it will override
the TRIS function on the T0CKI pin.
W-1
GPWU
GPPU
T0CS
T0SE
PSA
PS2
PS1
PS0
bit 7
bit 0
bit 7
GPWU: Enable Wake-up on Pin Change bit (GP0, GP1, GP3)
1
= Disabled
0
= Enabled
bit 6
GPPU: Enable Weak Pull-ups bit (GP0, GP1, GP3)
1
= Disabled
0
= Enabled
bit 5
T0CS: Timer0 Clock Source Select bit
1
= Transition on T0CKI pin (overrides TRIS on the T0CKI pin)
0
= Transition on internal instruction cycle clock, FOSC/4
bit 4
T0SE: Timer0 Source Edge Select bit
1
= Increment on high-to-low transition on the T0CKI pin
0
= Increment on low-to-high transition on the T0CKI pin
bit 3
PSA: Prescaler Assignment bit
1
= Prescaler assigned to the WDT
0
= Prescaler assigned to Timer0
bit 2-0
PS<2:0>: Prescaler Rate Select bits
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
000
001
010
011
100
101
110
111
1 : 2
1 : 4
1 : 8
1 : 16
1 : 32
1 : 64
1 : 128
1 : 256
1 : 1
1 : 2
1 : 4
1 : 8
1 : 16
1 : 32
1 : 64
1 : 128
Bit Value
Timer0 Rate WDT Rate
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