Table of Contents
Advertisement
Pin Name
I/O Signal
P07_4
P07_4
A4
P07_3
P07_3
A3
P07_2
P07_2
A2
P07_1
P07_1
A1
P07_0
P07_0
A0
P08_7
P08_7
RDY
P08_6
P08_6
BRQ
P08_5
P08_5
BGRNTX
P08_4
P08_4
RDX
P08_3
P08_3
WRX3
P08_2
P08_2
WRX2
Circuit
Type
General purpose I/O. This function is enabled in the single-chip mode or by
setting the corresponding PFR to '0'.
TP04_0
I/O pin for bit 4 of the external address bus. This function is enabled when the
external bus is enabled.
General purpose I/O. This function is enabled in the single-chip mode or by
setting the corresponding PFR to '0'.
TP04_0
I/O pin for bit 3 of the external address bus. This function is enabled when the
external bus is enabled.
General purpose I/O. This function is enabled in the single-chip mode or by
setting the corresponding PFR to '0'.
TP04_0
I/O pin for bit 2 of the external address bus. This function is enabled when the
external bus is enabled.
General purpose I/O. This function is enabled in the single-chip mode or by
setting the corresponding PFR to '0'.
TP04_0
I/O pin for bit 1 of the external address bus. This function is enabled when the
external bus is enabled.
General purpose I/O. This function is enabled in the single-chip mode or by
setting the corresponding PFR to '0'.
TP04_0
I/O pin for bit 0 of the external address bus. This function is enabled when the
external bus is enabled.
General purpose I/O. This function is enabled in the single-chip mode or by
setting the corresponding PFR to '0'.
TP04_0
Input pin for external wait (if RDY enabled for the corresponding CS area).
This function is enabled when the external bus is enabled.
General purpose I/O. This function is enabled in the single-chip mode or by
setting the corresponding PFR to '0'.
TP04_0
Input pin for external bus request (if sharing enabled for the corresponding CS
area). This function is enabled when the external bus is enabled.
General purpose I/O. This function is enabled in the single-chip mode or by
setting the corresponding PFR to '0'.
TP04_0
Output pin for external bus granted (if sharing enabled for the corresponding
CS area). This function is enabled when the external bus is enabled.
General purpose I/O. This function is enabled in the single-chip mode or by
setting the corresponding PFR to '0'.
TP04_0
Output pin for external bus read strobe. This function is enabled when the
external bus is enabled.
General purpose I/O. This function is enabled in the single-chip mode or by
setting the corresponding PFR to '0'.
TP04_0
Output pin for external bus write strobe. This function is enabled when the
external bus is enabled.
General purpose I/O. This function is enabled in the single-chip mode or by
setting the corresponding PFR to '0'.
TP04_0
Output pin for external bus write strobe. This function is enabled when the
external bus is enabled.
Function
Port 08
Chapter 30 I/O Ports
1.I/O Ports Functions
437
Advertisement
Table of Contents
