UPD784915B Datasheet, PDF (49/86 Pages) NEC – 16-BIT SINGLE-CHIP MICROCONTROLLERS

µPD784915B, 784916B
4. INTERNAL/EXTERNAL CONTROL FUNCTION
4.1 Interrupt Function
The µPD784916B has as many as 30 interrupt sources, including internal and external sources. For 26 sources,
a high-speed interrupt processing mode such as context switching or macro service can be specified by software.
Table 4-1 lists the interrupt sources.
Table 4-1. Interrupt Sources
Interrupt
Request
Type
Reset
Non-
maskable
Maskable
Operand
error
Software
Priority
Name
Interrupt Request Source
Trigger
- RESET RESET pin input
-
NMI NMI pin input edge
Interrupt
Macro
Control Reg-
ister Name ^Service
-
No
-
0 INTP0 INTP0 pin input edge
PIC0
Yes
1 INTCPT3 EDVC output signal (CPT3 capture) CPTIC3
2 INTCPT2 DFGIN pin input edge (CPT2 capture) CPTIC2
3 INTCR12 PBCTL signal input edge/EDVC output CRIC12
signal (CR12 capture)
4 INTCR00 TM0-CR00 coincidence signal
CRIC00
5 INTCLR1 CSYNCIN pin input edge
CLRIC1
6 INTCR10 TM1-CR10 coincidence signal
CRIC10
7 INTCR01 TM0-CR01 coincidence signal
CRIC01
8 INTCR02 TM0-CR02 coincidence signal
CRIC02
9 INTCR11 TM1-CR11 coincidence signal
CRIC11
10 INTCPT1 Pin input edge/EC output signal (CPT1 CPTIC1
capture)
11 INTCR20 TM2-CR20 coincidence signal
CRIC20
12 INTTB Time base from FRC
TBIC
13 INTAD A/D converter conversion end
ADIC
14 INTP2 INTP2 pin input edge
PIC2
INTCR40 TM4-CR40 coincidence signal
CRIC40
15 INTUDC UDC-UDCC coincidence/UDC underflow UDCIC
16 INTCR30 TM3-CR30 coincidence signal
CRIC30
17 INTCR50 TM5-CR50 coincidence signal
CRIC50
18 INTCR13 TM1-CR13 coincidence signal
CRIC13
19 INTCSI1 End of serial transfer (channel 1)
CSIIC1
20 INTW Overflow of watch timer
WIC
21 INTP1 INTP1 pin input edge
PIC1
22 INTP3 INTP3 pin input edge
PIC3
23 INTCSI2 End of serial transfer (channel 2)
CSIIC2
-
- Illegal operand of MOV STBC, #byte or
-
No
LOCATION instruction
-
- Execution of BRK instruction
-
-
- Execution of BRKCS instruction
-
Context
Switching
No
Yes
No
Yes
Macro Service
Control Word
Address
-
-
FE06H
FE08H
FE0AH
FE0CH
FE0EH
FE10H
FE12H
FE14H
FE16H
FE18H
FE1AH
FE1CH
FE20H
FE22H
FE24H
FE26H
FE28H
FE2AH
FE2CH
FE2EH
FE30H
FE34H
FE36H
FE3AH
-
-
-
Vector
Table
Address
0000H
0002H
0006H
0008H
000AH
000CH
000EH
0010H
0012H
0014H
0016H
0018H
001AH
001CH
0020H
0022H
0024H
0026H
0028H
002AH
002CH
002EH
0030H
0034H
0036H
003AH
003CH
003EH
-
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