PSB21382 INFINEON [Infineon Technologies AG], PSB21382 Datasheet - Page 21

• Manufacturer Part Number: PSB21382
• Description: Siemens Codec with S/T Transceiver
• Manufacturer: INFINEON [Infineon Technologies AG]

Table 1 (cont’d)
Data Sheet
Pin No.
MQFP-44
18
19
20
-
-
Pin No.
MQFP-64
10
11
28
29
30
21
22
23
24
27
Symbol
WR
R/W
RD
DS
SCLK
SCLK
AD5
SDR
SDR
AD6
SDX
SDX
AD7
AD0
AD1
AD2
AD3
AD4
Input (I)
Output (O)
Open Drain
(OD)
I
I
I
I
I
I
I/O
I
I
I/O
OD/O
OD/O
I/O
I/O
I/O
I/O
I/O
11
Function
Write access in Intel bus mode (active
low)
Read/write access in Motorola bus
mode
During reset also used as interface
selection pin (see chapter 2.1)
Read access in Intel bus mode (active
low)
Data strobe in Motorola bus mode
(active low)
During reset also used as interface
selection pin (see chapter 2.1)
Clock for the serial control interface
Serial control interface: Clock
Multiplexed bus mode: Address/data
line bit 5
Non-multiplexed bus mode: Data line
bit 5
Serial Data Receive
Serial control interface: Data receive
Multiplexed bus mode: Address/data
line bit 6
Non-multiplexed bus mode: Data line
bit 6
Serial Data Transmit
Serial control interface: Data transmit
Multiplexed bus mode: Address/data
line bit 7
Non-multiplexed bus mode: Data line
bit 7
Multiplexed bus mode: Address/data
lines
Non-multiplexed bus mode: Data lines
PSB 21381/2
PSB 21383/4
2001-03-12
Overview