參數(shù)資料
型號: PIC12HV615
廠商: Microchip Technology Inc.
英文描述: 8-Pin Flash-Based, 8-Bit CMOS Microcontrollers
中文描述: 8引腳閃存的基礎(chǔ)上,8位CMOS微控制器
文件頁數(shù): 18/168頁
文件大小: 1347K
代理商: PIC12HV615
PIC12F609/615/12HV609/615
DS41302A-page 16
Preliminary
2006 Microchip Technology Inc.
2.2.2.2
OPTION Register
The OPTION register is a readable and writable regis-
ter, which contains various control bits to configure:
Timer0/WDT prescaler
External GP2/INT interrupt
Timer0
Weak pull-ups on GPIO
Note:
To achieve a 1:1 prescaler assignment for
Timer0, assign the prescaler to the WDT
by setting PSA bit to ‘
1
’ of the OPTION
register. See
Section 5.1.3 “Software
Programmable Prescaler”
.
REGISTER 2-2:
OPTION_REG: OPTION REGISTER
R/W-1
GPPU
R/W-1
INTEDG
R/W-1
T0CS
R/W-1
T0SE
R/W-1
PSA
R/W-1
PS2
R/W-1
PS1
R/W-1
PS0
bit 7
bit 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
bit 7
GPPU:
GPIO Pull-up Enable bit
1
= GPIO pull-ups are disabled
0
= GPIO pull-ups are enabled by individual PORT latch values
INTEDG:
Interrupt Edge Select bit
1
= Interrupt on rising edge of GP2/INT pin
0
= Interrupt on falling edge of GP2/INT pin
T0CS:
Timer0 Clock Source Select bit
1
= Transition on GP2/T0CKI pin
0
= Internal instruction cycle clock (F
OSC
/4)
T0SE:
Timer0 Source Edge Select bit
1
= Increment on high-to-low transition on GP2/T0CKI pin
0
= Increment on low-to-high transition on GP2/T0CKI pin
PSA:
Prescaler Assignment bit
1
= Prescaler is assigned to the WDT
0
= Prescaler is assigned to the Timer0 module
PS<2:0>:
Prescaler Rate Select bits
bit 6
bit 5
bit 4
bit 3
bit 2-0
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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PIC12HV615-E/P 功能描述:8位微控制器 -MCU 2KB Flash 64 RAM RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT
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