PSD813F1A-90M STMicroelectronics, PSD813F1A-90M Datasheet - Page 36
![IC FLASH 1MBIT 90NS 52QFP](/photos/7/25/72513/497-52-pqfp_series_sml.jpg)
PSD813F1A-90M
Manufacturer Part Number
PSD813F1A-90M
Description
IC FLASH 1MBIT 90NS 52QFP
Manufacturer
STMicroelectronics
Datasheet
1.PSD813F1A-90U.pdf
(111 pages)
Specifications of PSD813F1A-90M
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
0°C ~ 70°C
Package / Case
52-QFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
497-1977
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PSD813F1A-90M
Manufacturer:
STMicroelectronics
Quantity:
10 000
Company:
Part Number:
PSD813F1A-90MI
Manufacturer:
STMicroelectronics
Quantity:
10 000
PSD813F1A
DECODE PLD (DPLD)
The DPLD, shown in Figure 16, is used for decod-
ing the address for internal and external compo-
nents. The DPLD can be used to generate the
following decode signals:
■
■
Figure 16. DPLD Logic Array
Note: 1. The address inputs are A19-A4 in 80C51XA mode.
36/111
I /O PORTS (PORT A,B,C)
MCELLAB.FB [7:0] (FEEDBACKS)
MCELLBC.FB [7:0] (FEEDBACKS)
PGR0 - PGR7
A [ 15:0 ]
PD [ 2:0 ] (ALE,CLKIN,CSI)
PDN (APD OUTPUT)
CNTRL [ 2:0 ] ( READ/WRITE CONTROL SIGNALS)
RESET
RD_BSY
8 sector selects for the main Flash memory
(three product terms each)
4 sector selects for the EEPROM (three
product terms each)
(1)
(INPUTS)
(24)
(16)
(8)
(8)
(8)
(3)
(1)
(3)
(1)
(1)
■
■
■
■
1 internal SRAM select signal (two product
terms)
1 internal CSIOP (PSD configuration register)
select signal
1 JTAG select signal (enables JTAG on Port
C)
2 internal peripheral select signals (peripheral
I/O mode).
3
3
3
3
3
3
3
3
3
3
3
3
2
1
1
1
1
RS0
CSIOP
PSEL0
PSEL1
JTAGSEL
EES 0
EES 1
EES 2
EES 3
FS0
FS1
FS7
FS2
FS3
FS5
FS6
FS4
SRAM SELECT
PERIPHERAL I/O
MODE SELECT
I/O DECODER
SELECT
8 FLASH MEMORY
SECTOR SELECTS
EEPROM
SELECTS
AI09226