psd934f2v-20mi STMicroelectronics, psd934f2v-20mi Datasheet - Page 36
psd934f2v-20mi
Manufacturer Part Number
psd934f2v-20mi
Description
Flash In-system Programmable Isp Peripherals For 8-bit Mcus
Manufacturer
STMicroelectronics
Datasheet
1.PSD934F2V-20MI.pdf
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32
PSD9XX Family
Figure 9. PLD Block Diagrams
Figure 10. DPLD Logic Array
*
NOTE: The address inputs are A[19:4] in 80C51XA mode.
I /O PORTS (PORT A,B,C)
PGR0 - PGR7
A [ 15:0 ]
PD [ 2:0 ] (ALE,CLKIN,CSI)
PDN (APD OUTPUT)
CNTRL [ 2:0 ] ( READ/WRITE CONTROL SIGNALS)
RESET
RD_BSY
DATA
BUS
*
57
57
8
PURPOSE PLD
DECODE PLD
REGISTER
PORT C PLD INPUT
PORT A PLD INPUT
PORT B PLD INPUT
PORT D PLD INPUT
GENERAL
PAGE
GPLD
(INPUTS)
(24)
(16)
(8)
(3)
(3)
(1)
(1)
(1)
8
8
8
3
PLD OUT
PLD OUT
PLD OUT
8
4
1
1
8
8
3
FLASH MEMORY SELECTS
SECONDARY FLASH MEMORY SELECTS
SRAM SELECT
CSIOP SELECT
3
3
3
3
3
3
3
3
3
3
3
3
2
CSBOOT 0
CSBOOT 1
CSBOOT 2
CSBOOT 3
RS0
CSIOP
FS0
FS7
PORT A
PORT B
PORT D
PORT C
Preliminary Information
SRAM SELECT
I/O DECODER
SELECT
4 SECONDARY
FLASH MEMORY
SECTOR SELECTS
8 FLASH MEMORY
SECTOR SELECTS
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