PIC18F4431-I/PT Microchip Technology Inc., PIC18F4431-I/PT Datasheet - Page 129

• 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

FIGURE 10-26:
FIGURE 10-27:
 2003 Microchip Technology Inc.
Note 1: The SDO output is multiplexed by SSPMX bit in the configuration register.
Note 1: T0CKI/T5CKI are multiplexed by SSPMX bit in the configuration register.
T0CKI/T5CKI Input
PORT/SPI Mode & SSPMX Select
SDO Data Out
RD PORTD
RD PORTD
WR TRISD
WR TRISD
WR LATD
WR LATD
Data Bus
Data Bus
PORTD
PORTD
or
or
BLOCK DIAGRAM OF RD1
BLOCK DIAGRAM OF RD0
TRIS Latch
Data Latch
TRIS Latch
D
D
Data Latch
D
D
RD TRISD
CK
RD TRISD
CK
CK
CK
RD LATD
RD LATD
Q
Q
Q
Q
Q
Q
Q
Q
PIC18F2331/2431/4331/4431
Preliminary
0
1
Q
Q
EN
EN
D
D
V
V
V
N
V
P
SS
N
P
SS
DD
DD
Schmitt
Trigger
Schmitt
Trigger
SSPMX
RD0 Pin
RD1 Pin
(1)
DS39616B-page 127