PEB 2091
PEF 2091
Pin Descriptions
2.3
Microprocessor Bus Interface (Overview)
The table below gives an overview of the different microprocessor bus modes.
Table 1
Microprocessor Bus Interface
Pin Number
Stand-Alone Symbol in Processor Mode
Mode
P-LCC-44 T-QFP-64
and
Siemens/ Siemens/
Intel Intel
multiplexed demultiplex.
Motorola
Serial
M-QFP-64
demultiplex.
12
44
43
42
41
40
39
38
25
19
24
36
35
33
20
34
17
3
24
5
PMODE = 0
PCD0
PCD1
PCD2
PCRD
PCWR
PCA0
PCA1
LT
PMODE = 1
AD0
AD1
AD2
AD3
AD4
AD5
AD6
AD7
INT
D0
D0
n.c.
4
D1
D2
D3
D4
D5
D6
D7
INT
D1
n.c.
3
D2
n.c.
2
D3
n.c.
1
D4
n.c.
62
61
44
36
43
59
58
55
37
57
32
10
60
35
D5
n.c.
D6
n.c.
D7
n.c.
INT
INT
A0
INT
BURST
MS2
SMODE=0 A0
SMODE=1
CDIN
CDOUT
n.c.
n.c.
n.c.
n.c.
ALE
RD
A1
A1
MS1
A2
A2
MS0
A3
A3
TP1
ALE=0
RD
ALE=1
DS
R/W
CS
CCLK
n.c.
MTO
DOD
WR
CS
WR
CS
n.c.
TSP
CS
37
18
DISS
AUTO
MCLK
RST
Semiconductor Group
48
Data Sheet 01.99
INFINEON [ Infineon ]
