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UPD17708 Datasheet(PDF) 28 Page - NEC

No. de pieza UPD17708
Descripción Electrónicos  4-BIT SINGLE-CHIP MICROCONTROLLERS WITH DEDICATED HARDWARE FOR DIGITAL TUNING SYSTEM
PDF  356 Pages
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Fabricante Electrónico  NEC [NEC]
Página de inicio  http://www.nec.com/
Logo NEC - NEC

UPD17708 Datasheet(HTML) 28 Page - NEC

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µPD17704, 17705, 17707, 17708, 17709
28
Figure 2-5. Value of Program Counter Upon Execution of Instruction
Table 2-2. Interrupt Vector Address
Order
Internal/External
Interrupt Source
Vector Address
1
External
Falling edge of CE pin
00CH
2
External
INT0 pin
00BH
3
External
INT1 pin
00AH
4
External
INT2 pin
009H
5
External
INT3 pin
008H
6
External
INT4 pin
007H
7
Internal
Timer 0
006H
8
Internal
Timer 1
005H
9
Internal
Timer 2
004H
10
Internal
Timer 3
003H
11
Internal
Serial interface 0
002H
12
Internal
Serial interface 1
001H
Contents of Program Counter (PC)
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)
When interrupt is accepted
Power-ON reset,
watchdog timer reset,
RESET pin,
CE reset
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 of address stack register (ASR) (return address)
specified by stack pointer (SP)
Vector address of each interrupt
Increment
entryH : high-order 3 bits of entry
entryL : low-order 4 bits of entry
Re-
tained



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