PSD813F1A-90MI STMicroelectronics, PSD813F1A-90MI Datasheet - Page 60
![IC FLASH 1MBIT 90NS 52QFP](/photos/7/25/72513/497-52-pqfp_series_sml.jpg)
PSD813F1A-90MI
Manufacturer Part Number
PSD813F1A-90MI
Description
IC FLASH 1MBIT 90NS 52QFP
Manufacturer
STMicroelectronics
Datasheet
1.PSD813F1A-90U.pdf
(111 pages)
Specifications of PSD813F1A-90MI
Format - Memory
FLASH
Memory Type
FLASH
Memory Size
1M (128K x 8)
Speed
90ns
Interface
Parallel
Voltage - Supply
4.5 V ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Package / Case
52-QFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
497-1978
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PSD813F1A-90MI
Manufacturer:
STMicroelectronics
Quantity:
10 000
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PSD813F1A
Enable Out
The Enable Out register can be read by the micro-
controller. It contains the output enable values for
a given port. A ‘1’ indicates the driver is in output
mode. A ‘0’ indicates the driver is in tri-state and
the pin is in input mode.
Ports A and B – Functionality and Structure
Ports A and B have similar functionality and struc-
ture, as shown in Figure 29. The two ports can be
configured to perform one or more of the following
functions:
■
■
Figure 29. Port A and Port B Structure
60/111
MCU I/O Mode
CPLD Output – Macrocells McellAB7-
McellAB0 can be connected to Port A or Port
B. McellBC7-McellBC0 can be connected to
Port B or Port C.
ALE
ADDRESS
MACROCELL OUTPUTS
WR
WR
WR
ENABLE PRODUCT TERM ( .OE )
CONTROL REG.
CPLD-INPUT
DATA OUT
READ MUX
DIR REG.
G
D
D
D
D
REG.
P
D
B
Q
Q
Q
Q
A [ 7:0 ] OR A [ 15:8 ]
ADDRESS
■
■
■
■
■
■
■
DATA OUT
DATA IN
CPLD Input – Via the Input Macrocells (IMC).
Latched Address output – Provide latched
address output as per
Address In – Additional high address inputs
using the Input Macrocells (IMC).
Open Drain/Slew Rate – pins PA3-PA0 and
PB3-PB0 can be configured to fast slew rate,
pins PA7-PA4 and PB7-PB4 can be
configured to Open Drain Mode.
Data Port – Port A to D7-D0 for 8 bit non-
multiplexed bus
Multiplexed Address/Data port for certain
types of MCU bus interfaces.
Peripheral Mode – Port A only
OUTPUT
SELECT
OUTPUT
MUX
ENABLE OUT
MACROCELL
INPUT
Table 21., page
A OR B PIN
PORT
55.
AI02887
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