PIC18F6621-I/PT Microchip Technology Inc., PIC18F6621-I/PT Datasheet - Page 79

• 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

FIGURE 6-6:
 2005 Microchip Technology Inc.
Instruction
AD<15:0>
Execution
A<19:16>
Memory
Cycle
ALE
OE
CE
Q1
3AAAh
EXTERNAL MEMORY BUS TIMING FOR SLEEP (MICROPROCESSOR MODE)
Opcode Fetch
INST(PC – 2)
from 007554h
Q2
SLEEP
00h
Q3
0003h
Q4
Q1
3AABh
PIC18F6525/6621/8525/8621
Opcode Fetch
from 007556h
MOVLW 55h
Q2
SLEEP
00h
Q3
0E55h
Q4
Q1
Sleep Mode,
Bus Inactive
DS39612B-page 77