參數(shù)資料
型號(hào): PIC12F1840-I/P
廠商: Microchip Technology
文件頁數(shù): 118/122頁
文件大?。?/td> 0K
描述: MCU 7KB FLASH 256B RAM 8-PDIP
產(chǎn)品培訓(xùn)模塊: 8-bit PIC® Microcontroller Portfolio
標(biāo)準(zhǔn)包裝: 60
系列: PIC® XLP™ 12F
核心處理器: PIC
芯體尺寸: 8-位
速度: 32MHz
連通性: I²C,LIN,SPI,UART/USART
外圍設(shè)備: 欠壓檢測/復(fù)位,POR,PWM,WDT
輸入/輸出數(shù): 5
程序存儲(chǔ)器容量: 7KB(4K x 14)
程序存儲(chǔ)器類型: 閃存
EEPROM 大?。?/td> 256 x 8
RAM 容量: 256 x 8
電壓 - 電源 (Vcc/Vdd): 2.3 V ~ 5.5 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 4x10b
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 85°C
封裝/外殼: 8-DIP(0.300",7.62mm)
包裝: 管件
2011 Microchip Technology Inc.
Preliminary
DS41441B-page 95
PIC12(L)F1840
REGISTER 10-1:
WDTCON: WATCHDOG TIMER CONTROL REGISTER
U-0
R/W-0/0
R/W-1/1
R/W-0/0
R/W-1/1
R/W-0/0
WDTPS4
WDTPS3
WDTPS2
WDTPS1
WDTPS0
SWDTEN
bit 7
bit 0
Legend:
R = Readable bit
W = Writable bit
U = Unimplemented bit, read as ‘0’
u = Bit is unchanged
x = Bit is unknown
-m/n = Value at POR and BOR/Value at all other Resets
‘1’ = Bit is set
‘0’ = Bit is cleared
bit 7-6
Unimplemented:
Read as ‘0’
bit 5-1
WDTPS<4:0>:
Watchdog Timer Period Select bits
Bit Value = Prescale Rate
00000
= 1:32 (Interval 1 ms typ)
00001
= 1:64 (Interval 2 ms typ)
00010
= 1:128 (Interval 4 ms typ)
00011
= 1:256 (Interval 8 ms typ)
00100
= 1:512 (Interval 16 ms typ)
00101
= 1:1024 (Interval 32 ms typ)
00110
= 1:2048 (Interval 64 ms typ)
00111
= 1:4096 (Interval 128 ms typ)
01000
= 1:8192 (Interval 256 ms typ)
01001
= 1:16384 (Interval 512 ms typ)
01010
= 1:32768 (Interval 1s typ)
01011
= 1:65536 (Interval 2s typ) (Reset value)
01100
= 1:131072 (217) (Interval 4s typ)
01101
= 1:262144 (218) (Interval 8s typ)
01110
= 1:524288 (219) (Interval 16s typ)
01111
= 1:1048576 (220) (Interval 32s typ)
10000
= 1:2097152 (221) (Interval 64s typ)
10001
= 1:4194304 (222) (Interval 128s typ)
10010
= 1:8388608 (223) (Interval 256s typ)
10011
= Reserved. Results in minimum interval (1:32)
11111
= Reserved. Results in minimum interval (1:32)
bit 0
SWDTEN:
Software Enable/Disable for Watchdog Timer bit
If WDTE<1:0> = 00:
This bit is ignored.
If WDTE<1:0> = 01:
1
= WDT is turned on
0
= WDT is turned off
If WDTE<1:0> = 1x:
This bit is ignored.
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