PIC18F4431-E/ML Microchip Technology, PIC18F4431-E/ML Datasheet - Page 24

• Manufacturer Part Number: PIC18F4431-E/ML
• Description: IC MCU FLASH 8KX16 44QFN
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18F4431-E/ML

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, LVD, Power Control PWM, QEI, POR, PWM, WDT
• Number Of I /o: 36
• Program Memory Size: 16KB (8K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 768 x 8
• Voltage - Supply (vcc/vdd): 4.2 V ~ 5.5 V
• Data Converters: A/D 9x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 44-QFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

PIC18F2331/2431/4331/4431
TABLE 4-2:
FIGURE 4-4:
DS30500B-page 24
Step 1: Direct access to data EEPROM.
Step 2: Set the data EEPROM Address Pointer.
Step 3: Initiate a memory read.
Step 4: Load data into the Serial Data Holding register.
Note 1:
SCLK
SDATA
Command
0000
0000
0000
0000
0000
0000
0000
0000
0000
0010
4-Bit
The <LSB> is undefined. The <MSB> is the data.
1
0
2
1
9E A6
9C A6
0E <Addr>
6E A9
OE <AddrH>
6E AA
80 A6
50 A8
6E F5
<LSB><MSB>
READ DATA EEPROM MEMORY
3
0
SHIFT OUT DATA HOLDING REGISTER TIMING (0010)
Data Payload
4
0
P5
SDATA = Input
1
2
3
4
BCF EECON1, EEPGD
BCF EECON1, CFGS
MOVLW <Addr>
MOVWF EEADR
MOVLW <AddrH>
MOVWF EEADRH
BSF EECON1, RD
MOVF EEDATA, W, 0
MOVWF TABLAT
Shift Out Data
5
6
7
8
P6
(1)
9
LSb
P14
10
1
11
2
Core Instruction
SDATA = Output
Shift Data Out
12
3
13
4
14
5
15
6
 2010 Microchip Technology Inc.
16
MSb
P5A
Fetch Next 4-bit Command
1
n
SDATA = Input
2
n
3
n
4
n