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UPD17231 Datasheet(PDF) 16 Page - Renesas Technology Corp

Part # UPD17231
Description  MOS INTEGRATED CIRCUIT
PDF  94 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

UPD17231 Datasheet(HTML) 16 Page - Renesas Technology Corp

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Data Sheet U14360EJ1V0DS00
µPD17230, 17231, 17232, 17233, 17234, 17235, 17236
14
Figure 2-3. Value of Program Counter on Execution of Each Instruction
Note
µPD17230
: b0 through b10
µPD17231
: b0 through b11
µPD17232, 17233
: b0 through b12
µPD17234, 17235, 17236 : b0 through b12, SGR
Remark
entryH : High-order 3 bits of entry
entryL : Low-order 4 bits of entry
Table 2-2. Interrupt Vector Address
Priority
Internal/External
Interrupt Source
Vector Address
1
Internal
8-bit timer
0003H
2
External
Rising and falling edges of INT pin
0002H
3
Internal
Basic interval timer
0001H
Contents of Program Counter (PC)
Note
SGR
1
0
0
b12
0
0
1
1
0
0
0
b11
0
1
0
1
0
0
0
b10
0
b9
0
b8
0
b7
0
0
b6
0
0
b5
0
0
b4
0
0
b3
0
b2
0
b1
0
b0
0
Program Counter
Instruction
BR addr
CALL addr
SYSCAL entry
BR @AR
CALL @AR
MOVT DBF, @AR
RET
RETSK
RETI
Other instructions
(including skip instruction)
On acknowledging interrupt
Watchdog timer reset,
RESET pin,
reset by stack pointer
Page 0
Page 1
Page 2
Page 3
entryL
entryH
Operand of instruction (addr)
Operand of instruction (addr)
Contents of address register
Re-
tained
Re-
tained
Contents (return address) of address stack register (ASR)
specified by stack pointer (SP)
Vector address of each interrupt
Increment
Re-
tained



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