PIC18F2539-I/SP Microchip Technology, PIC18F2539-I/SP Datasheet - Page 86

• Manufacturer Part Number: PIC18F2539-I/SP
• Description: IC MCU FLASH 12KX16 EE A/D 28DIP
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18F2539-I/SP

• 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-DIP (0.300", 7.62mm)
• 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: 3
• 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: DV164005, DV164136
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10 bit, 5 Channel
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• For Use With: DVA18XP280 - DEVICE ADAPTER 18F2220 PDIP 28LD
• Lead Free Status / Rohs Status: Details

PIC18FXX39
FIGURE 9-2:
DS30485A-page 84
Data
Bus
WR LATA
or PORTA
WR TRISA
RD TRISA
RD PORTA
TMR0 Clock Input
Note 1:
I/O pin has protection diode to V
TRIS Latch
Data Latch
D
D
CK
CK
RD LATA
Q
Q
Q
Q
BLOCK DIAGRAM OF
RA4/T0CKI PIN
Q
EN
EN
Schmitt
Trigger
Input
Buffer
D
SS
V
N
only.
SS
I/O pin
Preliminary
(1)
FIGURE 9-3:
ECRA6 or
RCRA6 Enable
Data
Bus
RD LATA
WR LATA
or
PORTA
WR
TRISA
RD TRISA
ECRA6 or
RCRA6
Enable
RD PORTA
Note 1:
I/O pins have protection diodes to V
TRIS Latch
Data Latch
D
D
CK
CK
Q
Q
Q
Q
BLOCK DIAGRAM OF
RA6 PIN
 2002 Microchip Technology Inc.
Q
DD
EN
D
and V
V
V
P
N
SS
DD
SS
I/O pin
TTL
Input
Buffer
.
(1)