PIC18F6621-I/PT Microchip Technology Inc., PIC18F6621-I/PT Datasheet - Page 129

• Manufacturer Part Number: PIC18F6621-I/PT
• Description: 64 PIN, 64 KB FLASH, 3840 RAM, 52 I/O
• Manufacturer: Microchip Technology Inc.

Specifications of PIC18F6621-I/PT

• A/d Inputs: 12-Channel, 10-Bit
• Comparators: 2
• Cpu Speed: 10 MIPS
• Eeprom Memory: 1024 Bytes
• Input Output: 54
• Interface: I2C/SPI/UART/USART
• Memory Type: Flash
• Number Of Bits: 8
• Package Type: 64-pin TQFP
• Programmable Memory: 64K Bytes
• Ram Size: 3.8K 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 Electrostatic Device

TABLE 10-17: PORTJ FUNCTIONS
TABLE 10-18: SUMMARY OF REGISTERS ASSOCIATED WITH PORTJ
 2005 Microchip Technology Inc.
RJ0/ALE
RJ1/OE
RJ2/WRL
RJ3/WRH
RJ4/BA0
RJ5/CE
RJ6/LB
RJ7/UB
Legend: ST = Schmitt Trigger input
PORTJ
LATJ
TRISJ
Legend: x = unknown, u = unchanged
Name
Name
Read PORTJ pin/Write PORTJ Data Latch
LATJ Data Output Register
Data Direction Control Register for PORTJ
Bit 7
Bit 6
Bit#
bit 0
bit 1
bit 2
bit 3
bit 4
bit 5
bit 6
bit 7
Buffer Type
Bit 5
ST
ST
ST
ST
ST
ST
ST
ST
Bit 4
PIC18F6525/6621/8525/8621
Input/output port pin or address latch enable control for external
memory interface.
Input/output port pin or output enable control for external memory
interface.
Input/output port pin or write low byte control for external memory
interface.
Input/output port pin or write high byte control for external memory
interface.
Input/output port pin or byte address 0 control for external memory
interface.
Input/output port pin or chip enable control for external memory
interface.
Input/output port pin or lower byte select control for external
memory interface.
Input/output port pin or upper byte select control for external
memory interface.
Bit 3
Bit 2
Bit 1
Function
Bit 0
xxxx xxxx
xxxx xxxx
1111 1111
POR, BOR
Value on
DS39612B-page 127
uuuu uuuu
uuuu uuuu
1111 1111
Value on
all other
Resets