PIC18F2320-E/SO Microchip Technology, PIC18F2320-E/SO Datasheet - Page 18

• Manufacturer Part Number: PIC18F2320-E/SO
• Description: IC,MICROCONTROLLER,8-BIT,PIC CPU,CMOS,SOP,28PIN,PLASTIC
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18F2320-E/SO

• Rohs Compliant: YES
• 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: 25
• 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 10x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 28-SOIC (7.5mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

PIC18FX220/X320
3.5
The ID locations are programmed much like the code
memory. The single panel that will be written will auto-
matically be enabled, based on the value of the Table
Pointer. The ID registers are mapped in addresses
200000h through 200007h. These locations read out
normally, even after code protection.
TABLE 3-6:
DS39592F-page 18
Step 1: Direct access to code memory.
Step 2: Load write buffer.
Note:
Command
0000
0000
0000
0000
0000
0000
0000
0000
1101
1101
1101
1111
0000
4-Bit
ID Location Programming
The user must fill the 8-byte data buffer for
the panel.
8E A6
9C A6
0E 20
6E F8
0E 00
6E F7
0E 00
6E F6
<LSB><MSB>
<LSB><MSB>
<LSB><MSB>
<LSB><MSB>
00 00
WRITE ID SEQUENCE
Data Payload
BSF
BCF
MOVLW 20h
MOVWF TBLPTRU
MOVLW 00h
MOVWF TBLPTRH
MOVLW 00h
MOVWF TBLPTRL
Write 2 bytes and post-increment address by 2
Write 2 bytes and post-increment address by 2
Write 2 bytes and post-increment address by 2
Write 2 bytes and start programming
NOP - hold PGC high for time P9
EECON1, EEPGD
EECON1, CFGS
Table 3-6 demonstrates the code sequence required to
write the ID locations.
The Table Pointer must be manually set to 200000h
(base address of the ID locations). The post-increment
feature of the table read 4-bit command may not be
used to increment the Table Pointer to 200000h. The
post-increment feature may then be used to increment
to 200001h, 200002h, etc.
Core Instruction
 2010 Microchip Technology Inc.