![](http://datasheet.mmic.net.cn/30000/M37531E4V-XXXGP_datasheet_2359826/M37531E4V-XXXGP_45.png)
1-18
1
OVERVIEW
32182 Group User’s Manual (Rev.1.0)
1.4 Pin Assignments
Table 1.4.1 Pin Assignments of the 32182 (4/4)
During single-chip and
external extension modes
P03
Input
Hi-z
During processor mode
DB3
Input/output
Hi-z
During single-chip and
external extension modes
P02
Input
Hi-z
During processor mode
DB2
Input/output
Hi-z
During single-chip and
external extension modes
P01
Input
Hi-z
During processor mode
DB1
Input/output
Hi-z
During single-chip and
external extension modes
P00
Input
Hi-z
During processor mode
DB0
Input/output
Hi-z
P73
Input
Hi-z
P72
Input
Hi-z
P71
Input
Hi-z
P70
Input
Hi-z
During processor mode
P43
Input
Hi-z
During external extension
and processor modes
RD#
Output
Hi-z
High level
During processor mode
P42
Input
Hi-z
During external extension
and processor modes
BHE#/BHE#
Output
Hi-z
High level
During processor mode
P41
Input
Hi-z
During external extension
and processor modes
BLE#/BLE#
Output
Hi-z
High level
VCC-BUS
---
----
136 P73/HACK#
P73
HACK#
-
Input/output
137 P72/HREQ#
P72
HREQ#
-
Input/output
138 P71/WAIT#
P71
WAIT#
-
Input/output
139 P70/BCLK/WR#
P70
BCLK
WR#
Input/output
143 VCC-BUS
-
VCC-BUS
-
144 VSS
-
VSS
-
Input/output
132 P03/DB3
P03
DB3
-
Input/output
-
Input/output
133 P02/DB2
134 P01/DB1
P01
DB1
P02
DB2
135 P00/DB0
P00
DB0
BHE#
Input/output
140 P43/RD#
P43
RD#
-
Input/output
-
Input/output
BLE#
Input/output
141 P42/BHW#/BHE#
142 P41/BLW#/BLE#
P41
BLW#
P42
BHW#
Port
Other than
port
Other than
port
Pin
No.
Symbol
Function
Type
-
Input/output
124 P13/DB11
P13
DB11
-
Input/output
-
Input/output
125 P12/DB10
126 P11/DB9
P11
DB9
P12
DB10
127 P10/DB8
P10
DB8
-
Input/output
128 P07/DB7
P07
DB7
-
Input/output
-
Input/output
-
Input/output
129 P06/DB6
130 P05/DB5
P05
DB5
P06
DB6
131 P04/DB4
P04
DB4
-
Input/output
Function
Type
State during
reset
State at reset
release
During single-chip and
external extension modes
P13
Input
Hi-z
During processor mode
DB11
Input/output
Hi-z
During single-chip and
external extension modes
P12
Input
Hi-z
During processor mode
DB10
Input/output
Hi-z
During single-chip and
external extension modes
P11
Input
Hi-z
During processor mode
DB9
Input/output
Hi-z
During single-chip and
external extension modes
P10
Input
Hi-z
During processor mode
DB8
Input/output
Hi-z
During single-chip and
external extension modes
P07
Input
Hi-z
During processor mode
DB7
Input/output
Hi-z
During single-chip and
external extension modes
P06
Input
Hi-z
During processor mode
DB6
Input/output
Hi-z
During single-chip and
external extension modes
P05
Input
Hi-z
During processor mode
DB5
Input/output
Hi-z
During single-chip and
external extension modes
P04
Input
Hi-z
During processor mode
DB4
Input/output
Hi-z
Condition
Pin State When Reset