PIC18F4423-E/P Microchip Technology, PIC18F4423-E/P Datasheet - Page 36

• Manufacturer Part Number: PIC18F4423-E/P
• Description: 16KB, Flash, 768bytes-RAM, 36I/O, 8-bit Family,nanoWatt 40 PDIP .600in TUBE
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18F4423-E/P

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, HLVD, 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 13x12b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 40-DIP (0.600", 15.24mm)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

PIC18F2423/2523/4423/4523
REGISTER 3-2:
DS39755C-page 36
bit 7
Legend:
R = Read-only bit
-n = Value when device is unprogrammed
bit 7-0
Note 1:
DEV11
R
(1)
These values for DEV<11:4> may be shared with other devices. The specific device is always identified by
using the entire DEV<11:0> bit sequence.
DEV<11:4>: Device ID bits
These bits are used with the DEV<3:0> bits in Device ID Register 1 to identify the part number.
0001 0001 = PIC18F2423/2523 devices
0001 0000 = PIC18F4423/4523 devices
DEV10
R
DEVID2: DEVICE ID REGISTER 2 FOR PIC18F2423/2523/4423/4523
(1)
P = Programmable bit
DEV9
R
(1)
(1)
DEV8
R
(1)
U = Unimplemented bit, read as ‘0’
u = Unchanged from programmed state
DEV7
R
(1)
DEV6
R
(1)
© 2009 Microchip Technology Inc.
DEV5
R
(1)
DEV4
R
(1)
bit 0