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UPSD325X 数据表(PDF) 30 Page - STMicroelectronics

部件名 UPSD325X
功能描述  Flash Programmable System Devices with 8032 Microcontroller Core and 256Kbit SRAM
PDF  176 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

UPSD325X 数据表(HTML) 30 Page - STMicroelectronics

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µPSD325X DEVICES
30/176
Figure 14. State Sequence in µPSD325X Devices
Osc.
(XTAL2)
Read opcode
Read next
opcode
Read next
opcode and
discard
Read next
opcode and
discard
Read 2nd
Byte
No Fetch
No Fetch
No ALE
S1
S2
S3
S4
S5
S6
S1
S2
S3
S4
S5
S6
S1
S2
S3
S4
S5
S6
Read opcode
Read next
opcode
S1
S2
S3
S4
S5
S6
Read opcode
Read next
opcode
S1
S2
S3
S4
S5
S6
Read next
opcode and
discard
S1
S2
S3
S4
S5
S6
Read next
opcode and
discard
Read next
opcode and
discard
Read opcode
(MOVX)
Read next
opcode
S1
S2
S3
S4
S5
S6
S1
S2
S3
S4
S5
S6
Addr
Data
Access External Memory
AI06822
p1
p1
p1
p1
p1
p1
p1
p1
p1
p1
p1
p1
p2
p2
p2
p2
p2
p2
p2
p2
p2
p2
p2
p2
a. 1-Byte, 1-Cycle Instruction, e.g. INC A
b. 2-Byte, 1-Cycle Instruction, e.g. ADD A, adrs
c. 1-Byte, 2-Cycle Instruction, e.g. INC DPTR
d. 1-Byte, 2-Cycle MOVX Instruction



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