PIC18C242/JW Microchip Technology, PIC18C242/JW Datasheet - Page 182

• Manufacturer Part Number: PIC18C242/JW
• Description: IC MCU EPROM 8KX16 A/D 28CDIP
• Manufacturer: Microchip Technology
• Series: PIC® 18Cr

Specifications of PIC18C242/JW

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, LVD, POR, PWM, WDT
• Number Of I /o: 22
• Program Memory Size: 16KB (8K x 16)
• Program Memory Type: EPROM, UV
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 4.2 V ~ 5.5 V
• Data Converters: A/D 5x10b
• Oscillator Type: External
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 28-CDIP (0.300", 7.62mm) Window
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

PIC18CXX2
REGISTER 18-1:
REGISTER 18-2:
DS39026C-page 180
bit 7-6
bit 5
bit 4-3
bit 2-0
bit 7-0
CONFIGURATION REGISTER 1 HIGH (CONFIG1H: BYTE ADDRESS 300001h)
CONFIGURATION REGISTER 1 LOW (CONFIG1L: BYTE ADDRESS 300000h)
Legend:
R = Readable bit
- n = Value when device is unprogrammed
Legend:
R = Readable bit
- n = Value when device is unprogrammed
Reserved: Read as ’1’
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
bit 7
CP: Code Protection bits (apply when in Code Protected Microcontroller mode)
1 = Program memory code protection off
0 = All of program memory code protected
Reserved
bit 7
R/P-1
R/P-1
CP
Reserved
R/P-1
R/P-1
CP
P = Programmable bit
P = Programmable bit
OSCSEN
R/P-1
R/P-1
CP
R/P-1
CP
U-0
—
U = Unimplemented bit, read as ‘0’
u = Unchanged from programmed state
U = Unimplemented bit, read as ‘0’
u = Unchanged from programmed state
R/P-1
CP
U-0
—
OSC
R/P-1
FOSC2
CP
R/P-1
2000 Microchip Technology Inc.
)
R/P-1
FOSC1
CP
R/P-1
FOSC0
R/P-1
R/P-1
CP
bit 0
bit 0