參數(shù)資料
型號(hào): PIC10F202T
廠商: Microchip Technology Inc.
英文描述: 6-Pin, 8-Bit Flash Microcontrollers
中文描述: 6引腳,8位閃存微控制器
文件頁數(shù): 22/86頁
文件大?。?/td> 620K
代理商: PIC10F202T
PIC10F200/202/204/206
DS41239B-page 20
Preliminary
2005 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 regis-
ter. A Reset sets the OPTION<7:0> bits.
REGISTER 4-2:
OPTION REGISTER
W-1
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
W-1
W-1
W-1
W-1
W-1
W-1
GPWU
bit 7
GPPU
T0CS
T0SE
PSA
PS2
PS1
PS0
bit 0
bit 7
GPWU:
Enable Wake-up on Pin Change bit (GP0, GP1, GP3)
1
= Disabled
0
= Enabled
GPPU
: Enable Weak Pull-ups bit (GP0, GP1, GP3)
1
= Disabled
0
= Enabled
T0CS
: Timer0 Clock Source Select bit
1
= Transition on T0CKI pin (overrides TRIS on the T0CKI pin)
0
= Transition on internal instruction cycle clock, F
OSC
/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
PSA
: Prescaler Assignment bit
1
= Prescaler assigned to the WDT
0
= Prescaler assigned to Timer0
PS<2:0>:
Prescaler Rate Select bits
bit 6
bit 5
bit 4
bit 3
bit 2-0
Legend:
R = Readable bit
-n = Value at POR
W = Writable bit
‘1’ = Bit is set
U = Unimplemented bit, read as ‘0’
‘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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