PIC18F448-I/PT Microchip Technology, PIC18F448-I/PT Datasheet - Page 97

• Manufacturer Part Number: PIC18F448-I/PT
• Description: IC PIC MCU FLASH 8KX16 44TQFP
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18F448-I/PT

• Core Size: 8-Bit
• Program Memory Size: 16KB (8K x 16)
• Core Processor: PIC
• Speed: 40MHz
• Connectivity: CAN, I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, LVD, POR, PWM, WDT
• Number Of I /o: 33
• 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 8x10b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 44-TQFP, 44-VQFP
• Controller Family/series: PIC18
• No. Of I/o's: 33
• Eeprom Memory Size: 256Byte
• Ram Memory Size: 768Byte
• Cpu Speed: 40MHz
• No. Of Timers: 4
• Processor Series: PIC18F
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 768 B
• Interface Type: SPI, I2C, USART
• Maximum Clock Frequency: 40 MHz
• Number Of Programmable I/os: 33
• Number Of Timers: 4 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: PG164130, DV164035, DV244005, DV164005, PG164120, ICE2000, DV164136, DM163011
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 8
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: XLT44PT3 - SOCKET TRAN ICE 44MQFP/TQFPAC164305 - MODULE SKT FOR PM3 44TQFP444-1001 - DEMO BOARD FOR PICMICRO MCUAC164020 - MODULE SKT PROMATEII 44TQFP
• Lead Free Status / Rohs Status: Details

TABLE 9-1:
TABLE 9-2:
© 2006 Microchip Technology Inc.
RA0/AN0/CV
RA1/AN1
RA2/AN2/V
RA3/AN3/V
RA4/T0CKI
RA5/AN4/SS/LVDIN
OSC2/CLKO/RA6
Legend: TTL = TTL input, ST = Schmitt Trigger input, OD = Open-Drain
PORTA
LATA
TRISA
ADCON1
Legend: x = unknown, u = unchanged, - = unimplemented locations read as ‘0’. Shaded cells are not used by PORTA.
Name
Name
REF
REF
ADFM ADCS2
REF
Bit 7
—
—
—
-
+
PORTA FUNCTIONS
SUMMARY OF REGISTERS ASSOCIATED WITH PORTA
Latch A Data Output Register
PORTA Data Direction Register
Bit 6
RA6
Bit#
bit 0
bit 1
bit 2
bit 3
bit 4
bit 5
bit 6
Bit 5
RA5
—
ST/OD Input/output, external clock input for Timer0, output is open-drain type.
Buffer
TTL
TTL
TTL
TTL
TTL
TTL
Bit 4
RA4
—
Input/output, analog input or analog comparator voltage reference
output.
Input/output or analog input.
Input/output, analog input or V
Input/output, analog input or V
Input/output, analog input, slave select input for synchronous serial port
or Low-Voltage Detect input.
Oscillator clock output or input/output.
PCFG3
Bit 3
RA3
PCFG2
Bit 2
RA2
PCFG1
Bit 1
RA1
REF
REF
Function
-.
+.
PCFG0 00-- 0000 uu-- uuuu
Bit 0
RA0
PIC18FXX8
-00x 0000 -uuu uuuu
-xxx xxxx -uuu uuuu
-111 1111 -111 1111
POR, BOR
Value on
DS41159E-page 95
Value on
all other
Resets