PIC12F1822-I/SN Microchip Technology, PIC12F1822-I/SN Datasheet - Page 107

• Manufacturer Part Number: PIC12F1822-I/SN
• Description: 3.5 KB Flash, 128 Bytes RAM, 32 MHz Int. Osc, 6 I/0, Enhanced Mid Range Core 8 S
• Manufacturer: Microchip Technology
• Series: PIC® XLP™ 12Fr

Specifications of PIC12F1822-I/SN

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 32MHz
• Connectivity: I²C, LIN, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 6
• Program Memory Size: 3.5KB (2K x 14)
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 128 x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Data Converters: A/D 4x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 8-SOIC (3.9mm Width)
• No. Of I/o's: 6
• Eeprom Memory Size: 256Byte
• Ram Memory Size: 128Byte
• Embedded Interface Type: AUSART, EUSART, I2C, SPI
• No. Of Pins: 8
• Peak Reflow Compatible (260 C): Yes
• Rohs Compliant: Yes
• Processor Series: PIC12F
• Core: PIC
• 3rd Party Development Tools: 52715-96, 52716-328, 52717-734
• Development Tools By Supplier: ICE2000
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

EXAMPLE 11-2:
FIGURE 11-1:
 2010 Microchip Technology Inc.
Flash ADDR
Flash Data
EEDATH
EEDATL
Register
EERHLT
RD bit
BANKSEL EEADRL
MOVLW
MOVWF
MOVLW
MOVWF
BCF
BCF
BSF
BCF
MOVLW
MOVWF
MOVLW
MOVWF
BSF
BSF
BCF
BTFSC
GOTO
Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4
INSTR(PC - 1)
executed here
DATA_EE_ADDR
EEADRL
DATA_EE_DATA
EEDATL
EECON1, CFGS
EECON1, EEPGD
EECON1, WREN
INTCON, GIE
55h
EECON2
0AAh
EECON2
EECON1, WR
INTCON, GIE
EECON1, WREN
EECON1, WR
$-2
PC
DATA EEPROM WRITE
FLASH PROGRAM MEMORY READ CYCLE EXECUTION
INSTR (PC)
BSF EECON1,RD
executed here
;
;
;Data Memory Address to write
;
;Data Memory Value to write
;Deselect Configuration space
;Point to DATA memory
;Enable writes
;Disable INTs.
;
;Write 55h
;
;Write AAh
;Set WR bit to begin write
;Enable Interrupts
;Disable writes
;Wait for write to complete
;Done
PIC12F/LF1822/PIC16F/LF1823
PC + 1
INSTR (PC + 1)
EEADRH,EEADRL
Preliminary
INSTR(PC + 1)
executed here
EEDATH,EEDATL
executed here
Forced NOP
PC + 3
PC+3
INSTR (PC + 3)
INSTR(PC + 3)
executed here
PC + 4
INSTR (PC + 4)
DS41413B-page 107
INSTR(PC + 4)
executed here
PC + 5