PIC18F252-E/SO Microchip Technology, PIC18F252-E/SO Datasheet - Page 90

• Manufacturer Part Number: PIC18F252-E/SO
• Description: IC MCU CMOS 40MHZ 16K FLSH28SOIC
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18F252-E/SO

• Core Size: 8-Bit
• Program Memory Size: 32KB (16K 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: 23
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 1.5K x 8
• Voltage - Supply (vcc/vdd): 4.2 V ~ 5.5 V
• Data Converters: A/D 5x10b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 28-SOIC (7.5mm Width)
• Controller Family/series: PIC18
• No. Of I/o's: 23
• Eeprom Memory Size: 256Byte
• Ram Memory Size: 1.5KB
• Cpu Speed: 40MHz
• No. Of Timers: 4
• Processor Series: PIC18F
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 1536 B
• Interface Type: MSSP, SPI, I2C, PSP, USART
• Maximum Clock Frequency: 40 MHz
• Number Of Programmable I/os: 23
• Number Of Timers: 4
• Operating Supply Voltage: 2 V to 5.5 V
• Maximum Operating Temperature: + 125 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: 52715-96, 52716-328, 52717-734, 52712-325, EWPIC18
• Development Tools By Supplier: PG164130, DV164035, DV244005, DV164005, PG164120, ICE2000, ICE4000, DM163022, DV164136
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10 bit, 5 Channel
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

PIC18FXX2
FIGURE 9-2:
DS39564C-page 88
WR LATA
or
PORTA
WR TRISA
Note 1:
Data
Bus
RD PORTA
TMR0 Clock Input
I/O pin has protection diode to V
TRIS Latch
Data Latch
D
D
CK
CK
RD LATA
RD TRISA
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
(1)
FIGURE 9-3:
ECRA6 or
RCRA6
Enable
WR LATA
or
PORTA
Note 1:
WR
TRISA
RD PORTA
Data
Bus
ECRA6 or
RCRA6 Enable
I/O pins have protection diodes to V
RD TRISA
TRIS Latch
Data Latch
D
D
CK
CK
RD LATA
Q
Q
Q
Q
BLOCK DIAGRAM OF
RA6 PIN
© 2006 Microchip Technology Inc.
Q
DD
EN
D
and V
V
V
P
N
SS
DD
SS
I/O pin
TTL
Input
Buffer
.
(1)