PIC18C242/JW Microchip Technology, PIC18C242/JW Datasheet - Page 250

• 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
FIGURE 21-7:
FIGURE 21-8:
TABLE 21-7:
DS39026C-page 248
30
31
32
33
34
35
36
Param.
Internal Reference Voltage Stable
Enable Internal Reference Voltage
No.
Watchdog
Time-out
Time-out
Note:
I/O Pins
Internal
Internal
PWRT
MCLR
Reset
Reset
Timer
POR
OSC
V
V
DD
V
TmcL
T
T
T
T
T
Tivrst
Symbol
IRVST
DD
OST
WDT
PWRT
IOZ
BOR
Refer to Figure 21-4 for load conditions.
RESET, WATCHDOG TIMER, OSCILLATOR START-UP TIMER, POWER-UP TIMER
AND BROWN-OUT RESET REQUIREMENTS
MCLR Pulse Width (low)
Watchdog Timer Time-out Period
(No Postscaler)
Oscillation Start-up Timer Period
Power up Timer Period
I/O Hi-impedance from MCLR
Low or Watchdog Timer Reset
Brown-out Reset Pulse Width
Time for Internal Reference
Voltage to become stable
RESET, WATCHDOG TIMER, OSCILLATOR START-UP TIMER AND POWER-UP
TIMER TIMING
BROWN-OUT RESET TIMING
33
Characteristic
32
36
BV
DD
1024T
Min
200
28
—
—
2
7
OSC
34
Typ
30
—
18
—
72
—
20
2
35
1024T
Max
132
33
50
—
—
—
OSC
31
Units
ms
ms
—
s
s
s
s
2001 Microchip Technology Inc.
T
V
OSC
DD
34
= OSC1 period
Conditions
B
VDD
V
BGAP
(See D005)
= 1.2V