PSD813F2-A-70J STMicroelectronics, PSD813F2-A-70J Datasheet - Page 68
PSD813F2-A-70J
Manufacturer Part Number
PSD813F2-A-70J
Description
Manufacturer
STMicroelectronics
Datasheet
1.PSD813F2-A-70J.pdf
(128 pages)
Specifications of PSD813F2-A-70J
Operating Temperature (max)
70C
Operating Temperature (min)
0C
Operating Temperature Classification
Commercial
Package Type
PLCC
Mounting
Surface Mount
Pin Count
52
Lead Free Status / RoHS Status
Compliant
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I/O ports
16.2
Figure 25. General I/O port architecture
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ADDRESS
ALE
MACROCELL OUTPUTS
EXT CS
WR
Port operating modes
The I/O ports have several modes of operation. Some modes can be defined using
PSDabel, some by the MCU writing to the Control registers in CSIOP space, and some by
both. The modes that can only be defined using PSDsoft Express must be programmed into
the device and cannot be changed unless the device is reprogrammed. The modes that can
be changed by the MCU can be done so dynamically at run-time. The PLD I/O, Data port,
Address input, and Peripheral I/O modes are the only modes that must be defined before
programming the device. All other modes can be changed by the MCU at run-time. See
Application Note AN1171 for more detail.
Table 20
where the different modes are configured. Each of the port operating modes are described
in the following sections.
ENABLE PRODUCT TERM ( .OE )
WR
WR
summarizes which modes are available on each port.
CONTROL REG.
CPLD-INPUT
DATA OUT
READ MUX
DIR REG.
D
D
G
D
D
REG.
D
B
P
Q
Q
Q
Q
DATA IN
Doc ID 7833 Rev 7
DATA OUT
ADDRESS
OUTPUT
OUTPUT
SELECT
MUX
ENABLE OUT
Table 23
MACROCELL
INPUT
shows how and
PSD8XXFX
PORT PIN
AI02885
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