参数资料
型号: PIC12CE673-04/P
厂商: Microchip Technology
文件页数: 38/129页
文件大小: 0K
描述: IC MCU OTP 1KX14 A/D&EE 8DIP
产品培训模块: Asynchronous Stimulus
8-bit PIC® Microcontroller Portfolio
标准包装: 60
系列: PIC® 12C
核心处理器: PIC
芯体尺寸: 8-位
速度: 4MHz
外围设备: POR,WDT
输入/输出数: 5
程序存储器容量: 1.75KB(1K x 14)
程序存储器类型: OTP
EEPROM 大小: 16 x 8
RAM 容量: 128 x 8
电压 - 电源 (Vcc/Vdd): 3 V ~ 5.5 V
数据转换器: A/D 4x8b
振荡器型: 内部
工作温度: 0°C ~ 70°C
封装/外壳: 8-DIP(0.300",7.62mm)
包装: 管件
配用: ISPICR1-ND - ADAPTER IN-CIRCUIT PROGRAMMING
AC124001-ND - MODULE SKT PROMATEII 8DIP/SOIC
PIC12C67X
DS30561B-page 16
1999 Microchip Technology Inc.
4.2.2.2
OPTION REGISTER
The OPTION Register is a readable and writable regis-
ter, which contains various control bits to configure the
TMR0/WDT prescaler, the External INT Interrupt,
TMR0 and the weak pull-ups on GPIO.
Note:
To achieve a 1:1 prescaler assignment for
the TMR0 register, assign the prescaler to
the Watchdog Timer by setting bit PSA
(OPTION<3>).
REGISTER 4-2:
OPTION REGISTER (ADDRESS 81h)
R/W-1
GPPU
INTEDG
T0CS
T0SE
PSA
PS2
PS1
PS0
R
= Readable bit
W = Writable bit
U
= Unimplemented bit,
read as ‘0’
- n = Value at POR reset
bit7
bit0
bit 7:
GPPU: Weak Pull-up Enable
1
= Weak pull-ups disabled
0
= Weak pull-ups enabled (GP0, GP1, GP3)
bit 6:
INTEDG: Interrupt Edge
1
= Interrupt on rising edge of GP2/T0CKI/AN2/INT pin
0
= Interrupt on falling edge of GP2/T0CKI/AN2/INT pin
bit 5:
T0CS: TMR0 Clock Source Select bit
1
= Transition on GP2/T0CKI/AN2/INT pin
0
= Internal instruction cycle clock (CLKOUT)
bit 4:
T0SE: TMR0 Source Edge Select bit
1
= Increment on high-to-low transition on GP2/T0CKI/AN2/INT pin
0
= Increment on low-to-high transition on GP2/T0CKI/AN2/INT pin
bit 3:
PSA: Prescaler Assignment bit
1
= Prescaler is assigned to the WDT
0
= Prescaler is assigned to the Timer0 module
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
TMR0 Rate
WDT Rate
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