
PIC18F1220/1320
DS39605F-page 6
2007 Microchip Technology Inc.
1.3
Details on Individual Family
Members
Devices in the PIC18F1220/1320 family are available
in 18-pin, 20-pin and 28-pin packages. A block diagram
The devices are differentiated from each other only in
the amount of on-chip Flash program memory
(4 Kbytes for the PIC18F1220 device, 8 Kbytes for the
PIC18F1320 device). These and other features are
A block diagram of the PIC18F1220/1320 device
architecture is provided in
Figure 1-1. The pinouts for
TABLE 1-1:
DEVICE FEATURES
Features
PIC18F1220
PIC18F1320
Operating Frequency
DC – 40 MHz
Program Memory (Bytes)
4096
8192
Program Memory (Instructions)
2048
4096
Data Memory (Bytes)
256
Data EEPROM Memory (Bytes)
256
Interrupt Sources
15
I/O Ports
Ports A, B
Timers
4
Enhanced Capture/Compare/PWM Modules
1
Serial Communications
Enhanced USART
10-bit Analog-to-Digital Module
7 input channels
Resets (and Delays)
POR, BOR,
RESET
Instruction, Stack Full,
Stack Underflow (PWRT, OST),
MCLR (optional), WDT
POR, BOR,
RESET
Instruction, Stack Full,
Stack Underflow (PWRT, OST),
MCLR (optional), WDT
Programmable Low-Voltage Detect
Yes
Programmable Brown-out Reset
Yes
Instruction Set
75 Instructions
Packages
18-pin SDIP
18-pin SOIC
20-pin SSOP
28-pin QFN
18-pin SDIP
18-pin SOIC
20-pin SSOP
28-pin QFN