PIC18F452-I/P Microchip Technology, PIC18F452-I/P Datasheet - Page 91

• Manufacturer Part Number: PIC18F452-I/P
• Description: IC MCU FLASH 16KX16 EE 40DIP
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18F452-I/P

• Program Memory Type: FLASH
• Program Memory Size: 32KB (16K 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, LVD, POR, PWM, WDT
• Number Of I /o: 34
• 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 8x10b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Processor Series: PIC18F
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 1.5 KB
• Interface Type: MSSP/SPI/I2C/PSP/USART
• Maximum Clock Frequency: 40 MHz
• Number Of Programmable I/os: 34
• 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, ICE4000, DV164136, DM163022
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 8-ch x 10-bit
• Package: 40PDIP
• Device Core: PIC
• Family Name: PIC18
• Maximum Speed: 40 MHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: 444-1001 - DEMO BOARD FOR PICMICRO MCUACICE0206 - ADAPTER MPLABICE 40P 600 MIL
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: PIC18F452I/P; Q1176145

TABLE 9-1:
TABLE 9-2:
PORTA
LATA
TRISA
ADCON1
Legend: x = unknown, u = unchanged, - = unimplemented locations read as '0'. Shaded cells are not used by PORTA.
RA0/AN0
RA1/AN1
RA2/AN2/V
RA3/AN3/V
RA4/T0CKI
RA5/SS/AN4/LVDIN
OSC2/CLKO/RA6
Legend: TTL = TTL input, ST = Schmitt Trigger input
2002 Microchip Technology Inc.
Name
Name
REF
REF
ADFM
Bit 7
—
—
—
-
+
PORTA FUNCTIONS
SUMMARY OF REGISTERS ASSOCIATED WITH PORTA
LATA Data Output Register
PORTA Data Direction Register
ADCS2
Bit 6
RA6
Bit#
bit0
bit1
bit2
bit3
bit4
bit5
bit6
Bit 5
RA5
—
Buffer
TTL
TTL
TTL
TTL
TTL
TTL
ST
Bit 4
RA4
—
Input/output or analog input.
Input/output or analog input.
Input/output or analog input or V
Input/output or analog input or V
Input/output or external clock input for Timer0.
Output is open drain type.
Input/output or slave select input for synchronous serial port or analog
input, or low voltage detect input.
OSC2 or clock output or I/O pin.
PCFG3
Bit 3
RA3
PCFG2
Bit 2
RA2
PCFG1
Bit 1
RA1
Function
REF
REF
-.
+.
PCFG0
Bit 0
RA0
PIC18FXX2
-x0x 0000
-xxx xxxx
-111 1111
00-- 0000
Value on
POR,
BOR
DS39564B-page 89
-u0u 0000
-uuu uuuu
-111 1111
00-- 0000
Value on
All Other
RESETS