PIC18F4320T-I/ML Microchip Technology, PIC18F4320T-I/ML Datasheet - Page 17

• Manufacturer Part Number: PIC18F4320T-I/ML
• Description: IC MCU FLASH 4KX16 EEPROM 44QFN
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18F4320T-I/ML

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, LVD, POR, PWM, WDT
• Number Of I /o: 36
• Program Memory Size: 8KB (4K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 4.2 V ~ 5.5 V
• Data Converters: A/D 13x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 44-QFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

TABLE 3-5:
 2010 Microchip Technology Inc.
Step 1: Direct access to data EEPROM.
Step 2: Set the data EEPROM Address Pointer.
Step 3: Load the data to be written.
Step 4: Enable memory writes.
Step 5: Perform data EEPROM unlock sequence.
Step 6: Initiate write.
Step 7: Wait for P11 and then disable writes.
Repeat steps 2 through 7 to write more data.
Command
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
4-Bit
9E A6
9C A6
0E <Addr>
6E A9
0E <Data>
6E A8
84 A6
0E 55
6E A7
0E AA
6E A7
82 A6
00 00
00 00
94 A6
PROGRAMMING DATA MEMORY
Data Payload
BCF
BCF
MOVLW <Addr>
MOVWF EEADR
MOVLW <Data>
MOVWF EEDATA
BSF
MOVLW 0X55
MOVWF EECON2
MOVLW 0XAA
MOVWF EECON2
BSF
NOP
NOP
BCF
EECON1, EEPGD
EECON1, CFGS
EECON1, WREN
EECON1, WR
EECON1, WREN
PIC18FX220/X320
Core Instruction
DS39592F-page 17