PSD835G2-90U STMicroelectronics, PSD835G2-90U Datasheet - Page 68

• Manufacturer Part Number: PSD835G2-90U
• Description: IC FLASH 4MBIT 90NS 80TQFP
• Manufacturer: STMicroelectronics

Specifications of PSD835G2-90U

• Format - Memory: FLASH
• Memory Type: FLASH
• Memory Size: 4M (512K x 8)
• Speed: 90ns
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 80-TQFP, 80-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-2015

MCU bus interface
16.3
Figure 20. An example of a typical 8-bit non-multiplexed bus interface
68/120
MCU
RESET
MCU bus interface examples
Figure
between the PSD and some popular MCUs. The PSD Control input pins are labeled as to
the MCU function for which they are configured. The MCU bus interface is specified using
the PSDsoft.
BHE
ALE
21,
WR
RD
Figure
A15-A0
D7-D0
22,
Figure
23, and
PSD
WR ( CNTRL0 )
RD ( CNTRL1 )
BHE ( CNTRL2 )
RST
ALE ( PD0 )
PORT D
Figure 24
PORT
ADIO
show examples of the basic connections
PORT
PORT
PORT
A, B
or C
G
F
D7-D0
(OPTIONAL)
A23-A16
PSD835G2
AI02879D