PIC18F2539-I/SO Microchip Technology, PIC18F2539-I/SO Datasheet - Page 274

• Manufacturer Part Number: PIC18F2539-I/SO
• Description: IC MCU FLASH 12KX16 EE AD 28SOIC
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18F2539-I/SO

• Core Size: 8-Bit
• Program Memory Size: 24KB (12K x 16)
• Core Processor: PIC
• Speed: 40MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, LVD, POR, PWM, WDT
• Number Of I /o: 21
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 1408 x 8
• Voltage - Supply (vcc/vdd): 4.2 V ~ 5.5 V
• Data Converters: A/D 5x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 28-SOIC (7.5mm Width)
• Controller Family/series: PIC18
• No. Of I/o's: 21
• Eeprom Memory Size: 256Byte
• Ram Memory Size: 1.375KB
• Cpu Speed: 40MHz
• No. Of Timers: 4
• Processor Series: PIC18F
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 1408 B
• Interface Type: I2C, SPI, AUSART
• Maximum Clock Frequency: 40 MHz
• Number Of Programmable I/os: 21
• Number Of Timers: 16 bit
• Operating Supply Voltage: 2 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: 52715-96, 52716-328, 52717-734, 52712-325, EWPIC18
• Development Tools By Supplier: DV164005, DV164136
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 5 bit
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• For Use With: XLT28SO-1 - SOCKET TRANSITION 28SOIC 300MIL
• Lead Free Status / Rohs Status: Details

PIC18FXX39
FIGURE 23-7:
FIGURE 23-8:
TABLE 23-7:
DS30485A-page 272
30
31
32
33
34
35
36
37
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
TIOZ
T
T
T
Symbol
IRVST
OST
WDT
IVRST
DD
PWRT
BOR
LVD
Refer to Figure 23-4 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 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
36
BV
Preliminary
DD
1024 T
Min
200
200
28
—
—
2
7
OSC
34
30
Typ
18
72
20
—
—
—
—
2
35
1024 T
Max
132
500
33
—
—
—
—
OSC
31
 2002 Microchip Technology Inc.
Units
ms
ms
µs
—
µs
µs
µs
µs
T
V
V
OSC
DD
DD
34
≤ B
≤ V
= OSC1 period
Conditions
VDD
LVD
V
Typical
BGAP
(see D420)
(see D005)
= 1.2V