PIC18F8520-I/PT Microchip Technology Inc., PIC18F8520-I/PT Datasheet - Page 107

• Manufacturer Part Number: PIC18F8520-I/PT
• Description: 80 PIN, 32 KB FLASH, 2048 RAM, 68 I/O
• Manufacturer: Microchip Technology Inc.

Specifications of PIC18F8520-I/PT

• A/d Inputs: 16-Channel, 10-Bit
• Comparators: 2
• Cpu Speed: 10 MIPS
• Eeprom Memory: 1024 Bytes
• Input Output: 68
• Interface: I2C/SPI/UART/USART
• Memory Type: Flash
• Number Of Bits: 8
• Package Type: 80-pin TQFP
• Programmable Memory: 32K Bytes
• Ram Size: 2K Bytes
• Speed: 40 MHz
• Timers: 2-8-bit, 3-16-bit
• Voltage, Range: 2-5.5 V
• Lead Free Status / Rohs Status: RoHS Compliant part

TABLE 10-1:
TABLE 10-2:
 2004 Microchip Technology Inc.
PORTA
LATA
TRISA
ADCON1
Legend: x = unknown, u = unchanged, – = unimplemented locations read as ‘0’.
RA0/AN0
RA1/AN1
RA2/AN2/V
RA3/AN3/V
RA4/T0CKI
RA5/AN4/LVDIN
OSC2/CLKO/RA6
Legend: TTL = TTL input, ST = Schmitt Trigger input
Name
Name
Shaded cells are not used by PORTA.
REF
REF
Bit 7
—
—
—
—
-
+
PIC18F6520/8520/6620/8620/6720/8720
PORTA FUNCTIONS
SUMMARY OF REGISTERS ASSOCIATED WITH PORTA
LATA 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
VCFG1 VCFG0 PCFG3
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.
Bit 3
RA3
PCFG2
Bit 2
RA2
PCFG1
Bit 1
RA1
Function
REF
REF
PCFG0 --00 0000 --00 0000
-.
+.
Bit 0
RA0
-x0x 0000 -u0u 0000
-xxx xxxx -uuu uuuu
-111 1111 -111 1111
POR, BOR
Value on
DS39609B-page 105
Value on
all other
Resets