PIC18F442-I/PT Microchip Technology Inc., PIC18F442-I/PT Datasheet - Page 198
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PIC18F442-I/PT
Manufacturer Part Number
PIC18F442-I/PT
Description
Microcontroller; 16 KB Flash; 768 RAM; 256 EEPROM; 36 I/O; 40-Pin-TQFP
Manufacturer
Microchip Technology Inc.
Datasheet
1.PIC18F442-IPT.pdf
(332 pages)
Specifications of PIC18F442-I/PT
A/d Inputs
8-Channel, 10-Bit
Comparators
2
Cpu Speed
10 MIPS
Eeprom Memory
256 Bytes
Input Output
36
Interface
I2C/SPI/USART
Memory Type
Flash
Number Of Bits
8
Package Type
44-pin TQFP
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC18F442-I/PT
Manufacturer:
Microchip Technology
Quantity:
10 000
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PIC18FXX2
TABLE 19-1:
REGISTER 19-1:
DS39564C-page 196
300001h
300002h
300003h
300005h
300006h
300008h
300009h
30000Ah
30000Bh
30000Ch
30000Dh
3FFFFEh
3FFFFFh
Legend: x = unknown, u = unchanged, - = unimplemented, q = value depends on condition.
Note 1: See Register 19-12 for DEVID1 values.
File Name
Shaded cells are unimplemented, read as ‘0’.
CONFIG1H
CONFIG2L
CONFIG2H
CONFIG3H
CONFIG4L
CONFIG5L
CONFIG5H
CONFIG6L
CONFIG6H
CONFIG7L
CONFIG7H
DEVID1
DEVID2
bit 7-6
bit 5
bit 4-3
bit 2-0
CONFIGURATION BITS AND DEVICE IDS
CONFIGURATION REGISTER 1 HIGH (CONFIG1H: BYTE ADDRESS 300001h)
Unimplemented: Read as ‘0’
OSCSEN: Oscillator System Clock Switch Enable bit
1 = Oscillator system clock switch option is disabled (main oscillator is source)
0 = Oscillator system clock switch option is enabled (oscillator switching is enabled)
Unimplemented: Read as ‘0’
FOSC2:FOSC0: Oscillator Selection bits
111 = RC oscillator w/ OSC2 configured as RA6
110 = HS oscillator with PLL enabled/Clock frequency = (4 x F
101 = EC oscillator w/ OSC2 configured as RA6
100 = EC oscillator w/ OSC2 configured as divide-by-4 clock output
011 = RC oscillator
010 = HS oscillator
001 = XT oscillator
000 = LP oscillator
Legend:
R = Readable bit
- n = Value when device is unprogrammed
bit 7
DEBUG
DEV10
WRTD
DEV2
Bit 7
CPD
—
—
—
—
—
—
—
—
U-0
—
EBTRB
WRTB
DEV1
DEV9
Bit 6
CPB
—
—
—
—
—
—
—
—
U-0
—
OSCSEN
WRTC
DEV0
DEV8
Bit 5
—
—
—
—
—
—
—
—
—
P = Programmable bit
OSCSEN
R/P-1
REV4
DEV7
Bit 4
—
—
—
—
—
—
—
—
—
—
—
WDTPS2
BORV1
EBTR3
WRT3
REV3
DEV6
Bit 3
CP3
—
—
—
—
—
—
U-0
—
WDTPS1
FOSC2
BORV0
EBTR2
U = Unimplemented bit, read as ‘0’
u = Unchanged from programmed state
WRT2
REV2
DEV5
Bit 2
CP2
LVP
—
—
—
—
U-0
—
WDTPS0
BOREN
FOSC1
EBTR1
WRT1
REV1
DEV4
Bit 1
CP1
—
—
—
—
—
OSC
FOSC2
© 2006 Microchip Technology Inc.
R/P-1
)
PWRTEN
CCP2MX
STVREN
WDTEN
FOSC0
EBTR0
WRT0
REV0
DEV3
Bit 0
CP0
—
—
—
FOSC1
R/P-1
Unprogrammed
--1- -111
---- 1111
---- 1111
---- ---1
1--- -1-1
---- 1111
11-- ----
---- 1111
111- ----
---- 1111
-1-- ----
0000 0100
Default/
Value
FOSC0
(1)
R/P-1
bit 0
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