PIC18F2331-E/SP Microchip Technology, PIC18F2331-E/SP Datasheet - Page 359

• Manufacturer Part Number: PIC18F2331-E/SP
• Description: IC MCU FLASH 4KX16 28-DIP
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18F2331-E/SP

• Core Size: 8-Bit
• Program Memory Size: 8KB (4K x 16)
• Core Processor: PIC
• Speed: 40MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, LVD, Power Control PWM, QEI, POR, PWM, WDT
• Number Of I /o: 24
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 768 x 8
• Voltage - Supply (vcc/vdd): 4.2 V ~ 5.5 V
• Data Converters: A/D 5x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 28-DIP (0.300", 7.62mm)
• Controller Family/series: PIC18
• No. Of I/o's: 24
• Eeprom Memory Size: 256Byte
• Ram Memory Size: 768Byte
• Cpu Speed: 40MHz
• No. Of Timers: 4
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: I3-DB18F4431 - BOARD DAUGHTER ICEPIC3AC164035 - MODULE SKT FOR 18F2X31 28SOICDVA18XP280 - DEVICE ADAPTER 18F2220 PDIP 28LD
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

FIGURE 25-7:
FIGURE 25-8:
TABLE 25-8:
© 2007 Microchip Technology Inc.
Param.
30
31
32
33
34
35
36
37
Legend: TBD = To Be Determined
No.
Note:
Reference Voltage
Internal Reference
Timer Reset
Watchdog
Oscillator
Enable Internal
Time-out
Time-out
Voltage Stable
I/O Pins
Internal
Internal
PWRT
MCLR
Reset
TmcL
T
T
T
T
T
T
T
Symbol
POR
V
OST
WDT
PWRT
IOZ
BOR
IVRST
LVD
DD
Refer to Figure 25-4 for load conditions.
V
IRVST
V
DD
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 High-impedance from MCLR
Low or Watchdog Timer Reset
Brown-out Reset Pulse Width
Time for Internal Reference
Voltage to become Stable
Low-Voltage Detect Pulse Width
RESET, WATCHDOG TIMER, OSCILLATOR START-UP TIMER AND POWER-UP
TIMER TIMING
BROWN-OUT RESET TIMING
33
Characteristic
32
PIC18F2331/2431/4331/4431
36
BV
Preliminary
DD
1024 T
Min
200
200
—
—
—
—
2
OSC
34
4.00
65.5
Typ
30
20
—
—
—
—
2
35
1024 T
TBD
TBD
Max
50
—
—
—
—
OSC
31
Units
ms
ms
μs
μs
μs
μs
μs
—
T
V
V
OSC
DD
DD
≤ B
≤ V
DS39616C-page 357
34
= OSC1 period
Conditions
VDD
LVD
V
BGAP
(see D005)
= 1.2V