PIC18F4431-E/ML Microchip Technology, PIC18F4431-E/ML Datasheet - Page 14

• 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
FIGURE 3-5:
FIGURE 3-6:
DS30500B-page 14
SCLK
SDATA
1
4-bit Command
1
2
1
3
1
PROGRAM CODE MEMORY FLOW
TABLE WRITE AND START PROGRAMMING INSTRUCTION TIMING (1111)
4
1
P5
LoopCount + 1
LoopCount =
1
n
N = 1
2
n
16-bit Data Payload
3
n
4
n
N = N + 1
5
n
6
n
SDATA = Input
15
n
No
16
No
Addr = Panel Base Address
n
P5A
Panel Base Address =
Start Write Sequence
Delay P9+P10 Time
+ (8 x LoopCount)
Multi-Panel Writes
for Write to Occur
Buffer at <Addr>
to Panel N Write
High until Done
4-bit Command
(N – 1) x 2000h
and Hold SCLK
Panel Buffers
Load 8 Bytes
1
0
Device for
Configure
Locations
Written?
Done?
Start
2
Done
0
All
All
Yes
Yes
N = 1
LoopCount = 0
3
0
0
Programming Time
P9
 2010 Microchip Technology Inc.
4
P10
Data Payload
1
0
16-bit
2
0
3
0