PIC18F4431-I/PT Microchip Technology Inc., PIC18F4431-I/PT Datasheet - Page 122

• Manufacturer Part Number: PIC18F4431-I/PT
• Description: Microcontroller; 16 KB Flash; 768 RAM; 256 EEPROM; 36 I/O; 44-Pin TQFP
• Manufacturer: Microchip Technology Inc.

Specifications of PIC18F4431-I/PT

• 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: 44-pin TQFP
• 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 10-16:
FIGURE 10-17:
DS39616B-page 120
Note 1: The T0CKI/T5CKI bit is multiplexed with RD0 when the EXCLKM is enabled (= 1 ) in the configuration register.
T0CKI/T5CKI Input
Note 1: The SDI/SDA bits are multiplexed on RD2 and RC4 pins by SSPMX bit in the configuration register.
RD PORTC
WR TRISC
SDA Data Out
SDI/SDA Input
WR LATC
Data Bus
PORTC
RD PORTC
PORT/SSP Mode & SSPMX Select
WR TRISC
SDA Drive
WR LATC
Data Bus
PORTC
or
or
BLOCK DIAGRAM OF RC3
BLOCK DIAGRAM OF RC4
TRIS Latch
D
Data Latch
D
RD TRISC
CK
CK
TRIS Latch
Data Latch
D
D
RD TRISC
CK
CK
RD LATC
Q
Q
Q
Q
RD LATC
Q
Q
Q
Q
Preliminary
0
1
Q
Q
EN
D
EN
D
V
V
N
P
SS
DD
Schmitt
Trigger
V
V
N
P
SS
DD
Schmitt
Trigger
 2003 Microchip Technology Inc.
EXCLKMX_enable
SSPMX
RC3 Pin
RC4 Pin
(1)
(1)