PSD813F2-A-70J STMicroelectronics, PSD813F2-A-70J Datasheet - Page 45

• Manufacturer Part Number: PSD813F2-A-70J
• Manufacturer: STMicroelectronics

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

PSD8XXFX
Figure 10. 8031 memory modules – combined space
Table 14.
0 = disable
PIO mode
PIO mode
1= enable
PIO_EN
Bit 7
RD
PSEN
VM REG BIT 3
VM REG BIT 4
VM REG BIT 1
VM REG BIT 2
VM REG BIT 0
VM register
Bit 6
used
used
not
not
Bit 5
used
used
not
not
DPLD
cannot access
Flash memory
access Flash
FL_Data
Primary
memory
0 = RD
1 = RD
Bit 4
RS0
CSBOOT0-3
FS0-FS7
Doc ID 7833 Rev 7
secondary Flash
secondary Flash
1 = RD access
0 = RD can’t
econdary
EE_Data
memory
memory
access
Bit 3
CS
Primary
Memory
Flash
OE
0 = PSEN
1 = PSEN
FL_Code
Primary
memory
memory
access
access
cannot
Flash
Flash
Bit 2
RD
Sector Select and SRAM Select
Secondary
CS
Memory
Flash
1 = PSEN access
OE
secondary Flash
secondary Flash
0 = PSEN can’t
Secondary
EE_Code
memory
memory
access
Bit 1
CS
SRAM
SRAM_Code
OE
AI02870C
0 = PSEN
1 = PSEN
access
access
cannot
SRAM
SRAM
Bit 0
45/128