PIC18F2431-I/SP Microchip Technology Inc., PIC18F2431-I/SP Datasheet - Page 282

• Manufacturer Part Number: PIC18F2431-I/SP
• Description: Microcontroller; 16 KB Flash; 768 RAM; 256 EEPROM; 24 I/O; 28-Pin-SPDIP
• Manufacturer: Microchip Technology Inc.

Specifications of PIC18F2431-I/SP

• A/d Inputs: 5-Channel, 10-Bit
• Cpu Speed: 10 MIPS
• Eeprom Memory: 256 Bytes
• Input Output: 24
• Interface: I2C/SPI/USART
• Memory Type: Flash
• Number Of Bits: 8
• Package Type: 28-pin SPDIP
• 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 22-2:
DS39616B-page 280
CPU Clock
Multiplexer
Note 1:
Peripheral
PLL Clock
Program
INTOSC
Counter
Output
OSC1
Clock
T
Wake from Interrupt Event
OST
= 1024 T
PC
TIMING TRANSITION FOR TWO-SPEED START-UP (INTOSC TO HSPLL)
OSC
Q1
; T
T
PLL
OST (1)
= 2 ms (approx). These intervals are not shown to scale.
Q2
PC + 2
OSTS bit Set
T
Q3
PLL (1)
Preliminary
Q4
Q1
1
2
Clock Transition
3
4
5
PC + 4
6
7
8
Q2
 2003 Microchip Technology Inc.
Q3 Q4
Q1
Q2
PC + 6
Q3 Q4