psd934f2v-20mi STMicroelectronics, psd934f2v-20mi Datasheet - Page 40
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
(94 pages)
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The
PSD9XX
Functional
Blocks
(cont.)
36
PSD9XX Family
Figure 13. An Example of a Typical 8-Bit Non-Multiplexed Bus Interface
Figure 12. An Example of a Typical 8-Bit Multiplexed Bus Interface
RESET
CONTROLLER
RESET
CONTROLLER
MICRO -
MICRO -
ALE
WR
RD
ALE
WR
RD
A [ 15:0 ]
D [ 7:0 ]
AD [ 7:0 ]
A [ 15:8 ]
PSD9XXF
WR ( CNTRL0 )
RD ( CNTRL1 )
RST
ALE ( PD0 )
PORT D
PORT
ADIO
PSD9XXF
WR ( CNTRL0 )
RD ( CNTRL1 )
RST
ALE ( PD0 )
PORT D
PORT
ADIO
PORT
PORT
PORT
A
B
C
PORT
PORT
PORT
A
B
C
Preliminary Information
D [ 7:0 ]
(OPTIONAL)
A [ 23:16 ]
( OPTIONAL )
( OPTIONAL )
A [ 7: 0 ]
A [ 15: 8 ]
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