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PIC18F6X2X Datasheet(PDF) 80 Page - Microchip Technology

Part # PIC18F6X2X
Description  64/80-Pin High Performance, 64-Kbyte Enhanced FLASH Microcontrollers with A/D
PDF  386 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

PIC18F6X2X Datasheet(HTML) 80 Page - Microchip Technology

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PIC18F6X2X/8X2X
DS39612A-page 78
Advance Information
 2003 Microchip Technology Inc.
6.2.4
16-BIT MODE TIMING
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 6-4 through Figure 6-6.
FIGURE 6-4:
EXTERNAL MEMORY BUS TIMING FOR TBLRD (MICROPROCESSOR MODE)
FIGURE 6-5:
EXTERNAL MEMORY BUS TIMING FOR TBLRD
(EXTENDED MICROCONTROLLER MODE)
Q2
Q1
Q3
Q4
Q2
Q1
Q3
Q4
Q4
Q4
Q4
Q4
ALE
OE
3AABh
WRH
WRL
AD<15:0>
BA0
CF33h
Opcode Fetch
MOVLW
55h
from 007556h
9256h
0E55h
‘1’
‘1’
‘1’
‘1’
Table Read
of 92h
from 199E67h
1 TCY Wait
Q2
Q1
Q3
Q4
Q2
Q1
Q3
Q4
Q2
Q1
Q3
Q4
Apparent Q
Actual Q
A<19:16>
0Ch
00h
CE
‘0’
‘0’
Memory
Cycle
Instruction
Execution
TBLRD
Cycle1
TBLRD
Cycle2
Q2
Q1
Q3
Q4
Q2
Q1
Q3
Q4
Q2
Q1
Q3
Q4
A<19:16>
ALE
OE
AD<15:0>
CE
Opcode Fetch
Opcode Fetch
Opcode Fetch
TBLRD*
TBLRD
Cycle1
ADDLW
55h
from 000100h
Q2
Q1
Q3
Q4
0Ch
CF33h
TBLRD
92h
from 199E67h
9256h
from 000104h
Memory
Cycle
Instruction
Execution
INST(PC-2)
TBLRD
Cycle2
MOVLW
55h
from 000102h
MOVLW



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