PIC18F85K22-I/PT Microchip Technology, PIC18F85K22-I/PT Datasheet - Page 130

• Manufacturer Part Number: PIC18F85K22-I/PT
• Description: IC, 8BIT MCU, PIC18F, 64MHZ, TQFP-80
• Manufacturer: Microchip Technology
• Series: PIC® XLP™ 18Fr

Specifications of PIC18F85K22-I/PT

• Controller Family/series: PIC18
• No. Of I/o's: 69
• Eeprom Memory Size: 1KB
• Ram Memory Size: 2KB
• Cpu Speed: 64MHz
• No. Of Timers: 8
• Core Size: 8 Bit
• Program Memory Size: 32KB
• Core Processor: PIC
• Speed: 64MHz
• Connectivity: EBI/EMI, I²C, LIN, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, LVD, POR, PWM, WDT
• Number Of I /o: 69
• Program Memory Type: FLASH
• Eeprom Size: 1K x 8
• Ram Size: 2K x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Data Converters: A/D 24x12b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 80-TQFP
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

PIC18F87K22 FAMILY
8.7.1
The presentation of control signals on the External
Memory Bus is different for the various operating
modes. Typical signal timing diagrams are shown in
Figure 8-7
FIGURE 8-7:
FIGURE 8-8:
DS39960D-page 130
Instruction
AD<15:8>
A<19:16>
Execution
Instruction
AD<15:8>
A<19:16>
Execution
AD<7:0>
AD<7:0>
Memory
Memory
Cycle
Cycle
BA0
ALE
ALE
OE
CE
and
CE
OE
8-BIT MODE TIMING
Figure
Q1
Q1
8-8.
EXTERNAL MEMORY BUS TIMING FOR TBLRD
(EXTENDED MICROCONTROLLER MODE)
EXTERNAL MEMORY BUS TIMING FOR SLEEP
(EXTENDED MICROCONTROLLER MODE)
AAh
Opcode Fetch
from 000100h
INST(PC – 2)
Opcode Fetch
from 007554h
INST(PC – 2)
Q2
TBLRD *
Q2
SLEEP
00h
3Ah
Q3
00h
Q3
Q4
Q4
03h
Q1
Q1
TBLRD Cycle 1
Opcode Fetch
ABh
from 000102h
Opcode Fetch
from 007556h
MOVLW 55h
MOVLW 55h
Q2
Q2
SLEEP
00h
3Ah
Q3
0Eh
Q3
Q4
Q4
55h
Q1
Q1
33h
TBLRD Cycle 2
from 199E67h
TBLRD 92h
Q2
0Ch
CFh
Q3
Sleep Mode,
92h
 2009-2011 Microchip Technology Inc.
Q4
Q1
Bus Inactive
Opcode Fetch
from 000104h
ADDLW 55h
Q2
MOVLW
Q3
Q4