PIC18F4423-I/P Microchip Technology, PIC18F4423-I/P Datasheet - Page 349

• Manufacturer Part Number: PIC18F4423-I/P
• Description: IC PIC MCU FLASH 8KX16 40DIP
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18F4423-I/P

• Program Memory Type: FLASH
• Program Memory Size: 16KB (8K x 16)
• Package / Case: 40-DIP (0.600", 15.24mm)
• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, HLVD, POR, PWM, WDT
• Number Of I /o: 36
• Eeprom Size: 256 x 8
• Ram Size: 768 x 8
• Voltage - Supply (vcc/vdd): 4.2 V ~ 5.5 V
• Data Converters: A/D 13x12b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Processor Series: PIC18F
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 768 B
• Interface Type: EUSART/I2C/MSSP/SPI
• Maximum Clock Frequency: 40 MHz
• Number Of Programmable I/os: 36
• Number Of Timers: 4
• Operating Supply Voltage: 2 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: Through Hole
• 3rd Party Development Tools: 52715-96, 52716-328, 52717-734, 52712-325, EWPIC18
• Development Tools By Supplier: PG164130, DV164035, DV244005, DV164005, PG164120, ICE2000, DM163022, DV164136
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 13-ch x 12-bit
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: 444-1001 - DEMO BOARD FOR PICMICRO MCU
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

FIGURE 26-7:
FIGURE 26-8:
TABLE 26-10: RESET, WATCHDOG TIMER, OSCILLATOR START-UP TIMER, POWER-UP TIMER
© 2007 Microchip Technology Inc.
Param.
30
31
32
33
34
35
36
37
38
39
Reference Voltage
Internal Reference
No.
Watchdog
Note:
Oscillator
Time-out
Time-out
Enable Internal
Voltage Stable
I/O pins
Internal
Internal
PWRT
MCLR
Reset
Timer
Reset
TmcL
T
T
T
T
T
T
T
T
T
POR
Symbol
V
OST
CSD
WDT
PWRT
IOZ
BOR
IVRST
LVD
IOBST
DD
V
Refer to Figure 26-4 for load conditions.
IRVST
V
DD
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 High-Impedance from MCLR
Low or Watchdog Timer Reset
Brown-out Reset Pulse Width
Time for Internal Reference
Voltage to become Stable
High/Low-Voltage Detect Pulse Width
CPU Start-up Time
Time for INTOSC to Stabilize
RESET, WATCHDOG TIMER, OSCILLATOR START-UP TIMER AND
POWER-UP TIMER TIMING
BROWN-OUT RESET TIMING
33
Characteristic
32
PIC18F2423/2523/4423/4523
36
BV
Preliminary
DD
1024 T
3.47
55.4
55.6
Min
200
200
—
—
2
5
OSC
34
4.00
65.5
64.0
30
Typ
—
—
—
20
—
—
2
35
1024 T
Max
4.82
75.3
77.1
—
—
—
50
—
10
OSC
31
Units
ms
ms
μs
μs
μs
μs
μs
μs
μs
—
128 INTRC periods
T
2048 INTRC periods
V
V
OSC
DD
DD
DS39755B-page 347
34
≤ B
≤ V
Conditions
= OSC1 period
V
VDD
LVD
BGAP
(see D005)
= 1.2V