PIC16C745/JW Microchip Technology, PIC16C745/JW Datasheet - Page 136

• Manufacturer Part Number: PIC16C745/JW
• Description: IC MCU EPROM8KX14 USB A/D 28CDIP
• Manufacturer: Microchip Technology
• Series: PIC® 16Cr

Specifications of PIC16C745/JW

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 24MHz
• Connectivity: SCI, UART/USART, USB
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 22
• Program Memory Size: 14KB (8K x 14)
• Program Memory Type: EPROM, UV
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 4.35 V ~ 5.25 V
• Data Converters: A/D 5x8b
• 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: -

PIC16C745/765
FIGURE 16-6: RESET, WATCHDOG TIMER, OSCILLATOR START-UP TIMER AND POWER-UP
FIGURE 16-7: BROWN-OUT RESET TIMING
TABLE 16-4:
DS41124C-page 136
Param No.
Watchdog
I/O Pins
Time-out
31*
33*
Time-out
Internal
30
32
34
35
36
Internal
Reset
Reset
MCLR
* These parameters are characterized but not tested.
† Data in “Typ” column is at 5V, 25°C unless otherwise stated. These parameters are for design guidance only and are not tested.
PWRT
Timer
POR
OSC
V
Note: Refer to Figure 16-2 for load conditions.
V
DD
DD
Sym
T
T
T
T
T
T
T
OST
MC
WDT
PWRT
IOZ
BOR
PLLRT
L
TIMER TIMING
RESET, WATCHDOG TIMER, OSCILLATOR START-UP TIMER, POWER-UP TIMER,
AND BROWN-OUT RESET REQUIREMENTS
Characteristic
MCLR Pulse Width (low)
Watchdog Timer Time-out
Period (No Prescaler)
Oscillation Start-up Timer Period
Power-up Timer Period
I/O Hi-impedance from MCLR
Low or WDT Reset
Brown-out Reset Pulse Width
PLL Settling Time Period
33
32
BV
Preliminary
DD
Min
100
—
28
—
—
2
7
Typ†
1024 T
34
1.4
18
72
—
—
—
30
OSC
35
Max
132
2.1
33
—
—
—
—
Units
ms
ms
ms
—
s
s
s
31
Conditions
V
V
T
V
V
T
2000 Microchip Technology Inc.
OSC
OSC
DD
DD
DD
DD
= 5V, -40°C to +85°C
= 5V, -40°C to +85°C
= 5V, -40°C to +85°C
= OSC1 period
= OSC1 period
B
VDD
34
(D005)