参数资料
型号: PIC12F1840T-I/MF
厂商: Microchip Technology
文件页数: 4/122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 101
PIC12(L)F1840
EXAMPLE 11-3:
FLASH PROGRAM MEMORY READ
* This code block will read 1 word of program
* memory at the memory address:
PROG_ADDR_HI: PROG_ADDR_LO
*
data will be returned in the variables;
*
PROG_DATA_HI, PROG_DATA_LO
BANKSEL
EEADRL
; Select Bank for EEPROM registers
MOVLW
PROG_ADDR_LO
;
MOVWF
EEADRL
; Store LSB of address
MOVLW
PROG_ADDR_HI
;
MOVWL
EEADRH
; Store MSB of address
BCF
EECON1,CFGS
; Do not select Configuration Space
BSF
EECON1,EEPGD
; Select Program Memory
BCF
INTCON,GIE
; Disable interrupts
BSF
EECON1,RD
; Initiate read
NOP
; Executed (Figure 11-1)
NOP
; Ignored (Figure 11-1)
BSF
INTCON,GIE
; Restore interrupts
MOVF
EEDATL,W
; Get LSB of word
MOVWF
PROG_DATA_LO
; Store in user location
MOVF
EEDATH,W
; Get MSB of word
MOVWF
PROG_DATA_HI
; Store in user location
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