参数资料
型号: PIC12F1840-I/SN
厂商: Microchip Technology
文件页数: 14/122页
文件大小: 0K
描述: MCU 7KB FLASH 256B RAM 8-SOIC
产品培训模块: 8-bit PIC® Microcontroller Portfolio
标准包装: 100
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-SOIC(0.154",3.90mm 宽)
包装: 管件
PIC12(L)F1840
DS41441B-page 110
Preliminary
2011 Microchip Technology Inc.
TABLE 11-3:
SUMMARY OF REGISTERS ASSOCIATED WITH DATA EEPROM
REGISTER 11-6:
EECON2: EEPROM CONTROL 2 REGISTER
W-0/0
EEPROM Control Register 2
bit 7
bit 0
Legend:
R = Readable bit
W = Writable bit
U = Unimplemented bit, read as ‘0’
S = Bit can only be set
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 7-0
Data EEPROM Unlock Pattern bits
To unlock writes, a 55h must be written first, followed by an AAh, before setting the WR bit of the
EECON1 register. The value written to this register is used to unlock the writes. There are specific
timing requirements on these writes. Refer to Section 11.2.2 “Writing to the Data EEPROM
for more information.
Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Register
on Page
EECON1
EEPGD
CFGS
LWLO
FREE
WRERR
WREN
WR
RD
EECON2
EEPROM Control Register 2 (not a physical register)
EEADRL
EEADRL<7:0>
EEADRH
EEADRH<6:0
EEDATL
EEDATL<7:0>
EEDATH
EEDATH<5:0>
INTCON
GIE
PEIE
TMR0IE
INTE
IOCIE
TMR0IF
INTF
IOCIF
PIE2
OSFIE
C1IE
EEIE
BCL1IE
PIR2
OSFIF
C1IF
EEIF
BCL1IF
Legend:
— = unimplemented location, read as ‘0’. Shaded cells are not used by Data EEPROM module.
* Page provides register information.
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