PIC18F1220-H/SO Microchip Technology, PIC18F1220-H/SO Datasheet - Page 174
![no-image](/images/manufacturer_photos/0/4/439/microchip_technology_sml.jpg)
PIC18F1220-H/SO
Manufacturer Part Number
PIC18F1220-H/SO
Description
IC MCU 8BIT 4KB FLASH 18SOIC
Manufacturer
Microchip Technology
Series
PIC® 18Fr
Datasheet
1.PIC18F1220-ISO.pdf
(308 pages)
Specifications of PIC18F1220-H/SO
Core Processor
PIC
Core Size
8-Bit
Speed
25MHz
Connectivity
UART/USART
Peripherals
Brown-out Detect/Reset, LVD, POR, PWM, WDT
Number Of I /o
16
Program Memory Size
4KB (2K x 16)
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
256 x 8
Voltage - Supply (vcc/vdd)
4.2 V ~ 5.5 V
Data Converters
A/D 7x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 150°C
Package / Case
18-SOIC (0.295", 7.50mm Width)
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
- Current page: 174 of 308
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PIC18F1220/1320
REGISTER 19-1:
DS39605F-page 172
bit 7
bit 6
bit 5-4
bit 3-0
CONFIG1H: CONFIGURATION REGISTER 1 HIGH (BYTE ADDRESS 300001h)
bit 7
IESO: Internal External Switchover bit
1 = Internal External Switchover mode enabled
0 = Internal External Switchover mode disabled
FSCM: Fail-Safe Clock Monitor Enable bit
1 = Fail-Safe Clock Monitor enabled
0 = Fail-Safe Clock Monitor disabled
Unimplemented: Read as ‘0’
FOSC<3:0>: Oscillator Selection bits
11xx = External RC oscillator, CLKO function on RA6
1001 = Internal RC oscillator, CLKO function on RA6 and port function on RA7
1000 = Internal RC oscillator, port function on RA6 and port function on RA7
0111 = External RC oscillator, port function on RA6
0110 = HS oscillator, PLL enabled (clock frequency = 4 x FOSC1)
0101 = EC oscillator, port function on RA6
0100 = EC oscillator, CLKO function on RA6
0010 = HS oscillator
0001 = XT oscillator
0000 = LP oscillator
Legend:
R = Readable bit
-n = Value when device is unprogrammed
R/P-1
IESO
FSCM
R/P-1
P = Programmable bit
U-0
—
U-0
—
FOSC3
R/P-1
U = Unimplemented bit, read as ‘0’
u = Unchanged from programmed state
FOSC2
R/P-1
© 2007 Microchip Technology Inc.
FOSC1
R/P-1
FOSC0
R/P-1
bit 0
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