PIC18F4431-I/P Microchip Technology Inc., PIC18F4431-I/P Datasheet - Page 128

• Manufacturer Part Number: PIC18F4431-I/P
• Description: Microcontroller; 16 KB Flash; 768 RAM; 256 EEPROM; 36 I/O; 40-Pin-PDIP
• Manufacturer: Microchip Technology Inc.

Specifications of PIC18F4431-I/P

• A/d Inputs: 9-Channel, 10-Bit
• Cpu Speed: 10 MIPS
• Eeprom Memory: 256 Bytes
• Input Output: 36
• Interface: I2C/SPI/USART
• Memory Type: Flash
• Number Of Bits: 8
• Package Type: 40-pin PDIP
• Programmable Memory: 16K Bytes
• Ram Size: 768 Bytes
• Speed: 40 MHz
• Timers: 1-8-bit, 3-16-bit
• Voltage, Range: 2-5.5 V
• Lead Free Status / Rohs Status: RoHS Compliant part Electrostatic Device

PIC18F2331/2431/4331/4431
FIGURE 10-24:
FIGURE 10-25:
DS39616B-page 126
Note 1: The SDI/SDA bits are multiplexed on RD2 and RC4 pins by SSPMX bit in the configuration register.
Note 1: SCK/SCL are multiplexed on RD3 and RC5 using SSPMX bit in the configuration register.
I
PORT/ SSPEN & SSPMX Select
SCK/SCL Data Out
2
SCK or SCL input
C™ Mode
PORT/SSP Mode & SSPMX Select
SDA Data Out
SDI/SDA Input
RD PORTC
RD PORTC
WR TRISD
WR TRISC
SDA Drive
WR LATD
WR LATC
Data Bus
Data Bus
PORTD
PORTC
or
or
BLOCK DIAGRAM OF RD3
BLOCK DIAGRAM OF RD2
TRIS Latch
Data Latch
Data Latch
TRIS Latch
D
D
D
D
RD TRISD
RD TRISC
CK
CK
CK
CK
RD LATD
RD LATC
Q
Q
Q
Q
Q
Q
Q
Q
Preliminary
0
1
0
1
Q
Q
EN
EN
D
D
V
V
V
N
V
P
N
SS
P
SS
DD
DD
Schmitt
Trigger
Schmitt
Trigger
 2003 Microchip Technology Inc.
SSPMX
RD3 Pin
RD2Pin
(1)
SSPMX
(1)