PIC18C242/JW Microchip Technology, PIC18C242/JW Datasheet - Page 183

• 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: -

REGISTER 18-3:
REGISTER 18-4:
2000 Microchip Technology Inc.
bit 7-4
bit 3-1
bit 0
bit 7-4
bit 3-2
bit 1
bit 0
CONFIGURATION REGISTER 2 HIGH (CONFIG2H: BYTE ADDRESS 300003h)
CONFIGURATION REGISTER 2 LOW (CONFIG2L: BYTE ADDRESS 300002h)
bit 7
Unimplemented: Read as ’0’
WDTPS2:WDTPS0: Watchdog Timer Postscale Select bits
111 = 1:1
110 = 1:2
101 = 1:4
100 = 1:8
011 = 1:16
010 = 1:32
001 = 1:64
000 = 1:128
WDTEN: Watchdog Timer Enable bit
1 = WDT enabled
0 = WDT disabled (control is placed on the SWDTEN bit)
Legend:
R = Readable bit
- n = Value when device is unprogrammed
bit 7
Unimplemented: Read as ’0’
BORV1:BORV0: Brown-out Reset Voltage bits
11 = V
10 = V
01 = V
00 = V
BOREN: Brown-out Reset Enable bit
1 = Brown-out Reset enabled
0 = Brown-out Reset disabled
Note:
PWRTEN: Power-up Timer Enable bit
1 = PWRT disabled
0 = PWRT enabled
Note:
Legend:
R = Readable bit
- n = Value when device is unprogrammed
U-0
—
U-0
—
BOR
BOR
BOR
BOR
set to 2.5V
set to 2.7V
set to 4.2V
set to 4.5V
Enabling Brown-out Reset automatically enables the Power-up Timer (PWRT),
regardless of the value of bit PWRTEN. Ensure the Power-up Timer is enabled any
time Brown-out Reset is enabled.
Enabling Brown-out Reset automatically enables the Power-up Timer (PWRT),
regardless of the value of bit PWRTE. Ensure the Power-up Timer is enabled any
time Brown-out Reset is enabled.
U-0
—
U-0
—
P = Programmable bit
P = Programmable bit
U-0
—
U-0
—
(1)
(1)
U-0
—
U-0
—
WDTPS2
R/P-1
BORV1
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
WDTPS1
BORV0
R/P-1
R/P-1
PIC18CXX2
WDTPS0
BOREN
R/P-1
R/P-1
DS39026C-page 181
PWRTEN
WDTEN
R/P-1
R/P-1
bit 0
bit 0