参数资料
型号: PIC12F519-I/MC
厂商: Microchip Technology
文件页数: 11/96页
文件大小: 0K
描述: IC PIC MCU FLASH 1KX12 8DFN
产品培训模块: Asynchronous Stimulus
8-bit PIC® Microcontroller Portfolio
标准包装: 150
系列: PIC® 12F
核心处理器: PIC
芯体尺寸: 8-位
速度: 8MHz
外围设备: POR,WDT
输入/输出数: 5
程序存储器容量: 1.5KB(1K x 12)
程序存储器类型: 闪存
RAM 容量: 41 x 8
电压 - 电源 (Vcc/Vdd): 2 V ~ 5.5 V
振荡器型: 内部
工作温度: -40°C ~ 85°C
封装/外壳: 8-VFDFN 裸露焊盘
包装: 管件
产品目录页面: 637 (CN2011-ZH PDF)
配用: AC164334-ND - MODULE SOCKET FOR 8L 2X3MM DFN
XLT08DFN2-ND - SOCKET TRANSITION ICE 14DIP/8DFN
2008 Microchip Technology Inc.
DS41319B-page 17
PIC12F519
4.4
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.
Note:
If the T0SC bit is set to ‘1’, it will override
the TRIS function on the T0CKI pin.
REGISTER 4-2:
OPTION: OPTION REGISTER
W-1
GPWU
GPPU
T0CS
T0SE
PSA
PS2
PS1
PS0
bit 7
bit 0
Legend:
R = Readable bit
W = Writable bit
x = Bit is unknown
-n = Value at POR
‘1’ = Bit is set
‘0’ = Bit is cleared
bit 7
GPWU:
Enable Wake-up On Pin Change bit
1
= Disabled
0
= Enabled
bit 6
GPPU:
Enable Weak Pull-ups bit
1
= Disabled
0
= Enabled
bit 5
T0CS:
Timer0 Clock Source Select bit
1
= Transition on T0CKI pin
0
= Internal instruction cycle clock (CLKOUT)
bit 4
T0SE:
Timer0 Source Edge Select bit
1
= Increment on high-to-low transition on T0CKI pin
0
= Increment on low-to-high transition on 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
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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