PIC18F4423-I/P Microchip Technology, PIC18F4423-I/P Datasheet - Page 63

• Manufacturer Part Number: PIC18F4423-I/P
• Description: IC PIC MCU FLASH 8KX16 40DIP
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18F4423-I/P

• Program Memory Type: FLASH
• Program Memory Size: 16KB (8K x 16)
• Package / Case: 40-DIP (0.600", 15.24mm)
• 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
• 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 ~ 85°C
• Processor Series: PIC18F
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 768 B
• Interface Type: EUSART/I2C/MSSP/SPI
• Maximum Clock Frequency: 40 MHz
• Number Of Programmable I/os: 36
• Number Of Timers: 4
• Operating Supply Voltage: 2 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: Through Hole
• 3rd Party Development Tools: 52715-96, 52716-328, 52717-734, 52712-325, EWPIC18
• Development Tools By Supplier: PG164130, DV164035, DV244005, DV164005, PG164120, ICE2000, DM163022, DV164136
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 13-ch x 12-bit
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: 444-1001 - DEMO BOARD FOR PICMICRO MCU
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

FIGURE 5-6:
© 2007 Microchip Technology Inc.
BSR<3:0>
= 0000
= 0001
= 0010
= 0011
= 0100
= 0101
= 0110
= 0111
= 1000
= 1001
= 1010
= 1011
= 1100
= 1101
= 1110
= 1111
DATA MEMORY MAP FOR PIC18LF2523/4523 DEVICES
Bank 0
Bank 1
Bank 2
Bank 3
Bank 4
Bank 5
Bank 6
Bank 7
Bank 8
Bank 9
Bank 10
Bank 11
Bank 12
Bank 13
Bank 14
Bank 15
FFh
FFh
FFh
FFh
FFh
FFh
FFh
FFh
FFh
FFh
FFh
FFh
FFh
FFh
FFh
00h
FFh
00h
00h
00h
00h
00h
00h
00h
00h
00h
00h
00h
00h
00h
00h
00h
Data Memory Map
Access RAM
Read 00h
PIC18F2423/2523/4423/4523
Unused
Unused
GPR
GPR
GPR
GPR
GPR
SFR
GPR
Preliminary
000h
07Fh
080h
0FFh
100h
1FFh
200h
2FFh
300h
3FFh
400h
4FFh
500h
5FFh
600h
6FFh
700h
7FFh
800h
8FFh
900h
9FFh
A00h
AFFh
B00h
BFFh
C00h
CFFh
D00h
DFFh
E00h
F7Fh
EFFh
F00h
F80h
FFFh
When ‘a’ = 0:
When ‘a’ = 1:
The BSR is ignored and the
Access Bank is used.
The first 128 bytes are
general purpose RAM
(from Bank 0).
The second 128 bytes are
Special Function Registers
(from Bank 15).
The BSR specifies the Bank
used by the instruction.
Access RAM High
Access RAM Low
Access Bank
(SFRs)
DS39755B-page 61
7Fh
FFh
00h
80h