参数资料
型号: PIC12F1840T-I/MF
厂商: Microchip Technology
文件页数: 21/122页
文件大小: 0K
描述: MCU 7KB FLASH 256B RAM XLP 8DFN
标准包装: 3,300
系列: PIC® XLP™ 12F
核心处理器: PIC
芯体尺寸: 8-位
速度: 32MHz
连通性: I²C,LIN,SPI,UART/USART
外围设备: 欠压检测/复位,POR,PWM,WDT
输入/输出数: 5
程序存储器容量: 7KB(4K x 14)
程序存储器类型: 闪存
EEPROM 大小: 256 x 8
RAM 容量: 256 x 8
电压 - 电源 (Vcc/Vdd): 2.3 V ~ 5.5 V
数据转换器: A/D 4x10b
振荡器型: 内部
工作温度: -40°C ~ 85°C
封装/外壳: 8-VDFN 裸露焊盘
包装: 带卷 (TR)
2011 Microchip Technology Inc.
Preliminary
DS41441B-page 117
PIC12(L)F1840
TABLE 12-1:
SUMMARY OF REGISTERS ASSOCIATED WITH PORTA
TABLE 12-2:
SUMMARY OF CONFIGURATION WORD WITH PORTA
REGISTER 12-6:
WPUA: WEAK PULL-UP PORTA REGISTER
U-0
R/W-1/1
WPUA5
WPUA4
WPUA3
WPUA2
WPUA1
WPUA0
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
-n/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 5-0
WPUA<5:0>
: Weak Pull-up Register bits
1
= Pull-up enabled
0
= Pull-up disabled
Note 1:
Global WPUEN bit of the OPTION register must be cleared for individual pull-ups to be enabled.
2:
The weak pull-up device is automatically disabled if the pin is in configured as an output.
Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Register
on Page
ANSELA
—ANSA4
ANSA2
ANSA1
ANSA0
APFCON
RXDTSEL
SDOSEL
SSSEL
---
T1GSEL
TXCKSEL
P1BSEL
CCP1SEL
LATA
—LATA5
LATA4
—LATA2
LATA1
LATA0
OPTION_REG
WPUEN
INTEDG
TMR0CS
TMR0SE
PSA
PS<2:0>
PORTA
RA5
RA4
RA3
RA2
RA1
RA0
TRISA
TRISA5
TRISA4
TRISA3
TRISA2
TRISA1
TRISA0
WPUA
WPUA5
WPUA4
WPUA3
WPUA2
WPUA1
WPUA0
Legend:
x
= unknown, u = unchanged, – = unimplemented locations read as ‘0’. Shaded cells are not used by PORTA.
Name
Bits
Bit -/7
Bit -/6
Bit 13/5
Bit 12/4
Bit 11/3
Bit 10/2
Bit 9/1
Bit 8/0
Register
on Page
CONFIG1
13:8
FCMEN
IESO
CLKOUTEN
BOREN<1:0>
CPD
7:0
CP
MCLRE
PWRTE
WDTE<1:0>
FOSC<2:0>
Legend:
— = unimplemented location, read as ‘0’. Shaded cells are not used by PORTA.
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