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DM163006 Datasheet(PDF) 120 Page - Microchip Technology

Part # DM163006
Description  High-Performance ROM-less Microcontrollers
PDF  320 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

DM163006 Datasheet(HTML) 120 Page - Microchip Technology

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PIC18C601/801
DS39541A-page 120
Advance Information
 2001 Microchip Technology Inc.
FIGURE 9-15:
PORTG BLOCK DIAGRAM IN SYSTEM BUS MODE
TABLE 9-13:
PORTG FUNCTIONS
TABLE 9-14:
SUMMARY OF REGISTERS ASSOCIATED WITH PORTG
External Enable
Control Out
Drive System
System Bus
Control
Data Bus
WR LATG
WR TRISG
RD PORTG
Data Latch
TRIS Latch
RD TRISG
I/O pin(1)
Q
D
CK
Q
D
CK
EN
QD
EN
RD LATG
or
PORTG
0
1
Port
Data
Note 1: I/O pins have diode protection to VDD and VSS.
Name
Bit#
Buffer Type
Function
RG0/ALE
bit0
ST
Input/output port pin or Address Latch Enable signal for external memory
RG1/OE
bit1
ST
Input/output port pin or Output Enable signal for external memory
RG2/WRL
bit2
ST
Input/output port pin or Write Low byte signal for external memory
RG3/WRH
bit3
ST
Input/output port pin or Write High byte signal for external memory
RG4/BA0
bit4
ST
Input/output port pin or Byte Address 0 signal for external memory
Legend: ST = Schmitt Trigger input
Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Value on:
POR,
BOR
Value on all
other
RESETS
TRISG
PORTG Data Direction Control Register
---1 1111
---1 1111
PORTG
Read PORTG pin/Write PORTG Data Latch
---x xxxx
---u uuuu
LATG
Read PORTG Data Latch/Write PORTG Data Latch
---x xxxx
---u uuuu
MEMCON
EBDIS
PGRM
WAIT1
WAIT0
—
—
WM1
WM0
0000 --00
0000 --00
Legend: x = unknown, u = unchanged. Shaded cells are not used by PORTG.



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