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S1C63666 TECHNICAL MANUAL
EPSON
131
CHAPTER 4: PERIPHERAL CIRCUITS AND OPERATION (Interrupt and HALT)
4.18.4 I/O memory of interrupt
Tables 4.18.4.1 shows the I/O addresses and the control bits for controlling interrupts.
Table 4.18.4.1(a) Control bits of interrupt
Address
Comment
D3
D2
Register
D1
D0
Name
Init
∗
1
1
0
FF20H
SIK03
SIK02
SIK01
SIK00
R/W
SIK03
SIK02
SIK01
SIK00
0
0
0
0
Enable
Enable
Enable
Enable
Disable
Disable
Disable
Disable
K00–K03 interrupt selection register
FF22H
KCP03
KCP02
KCP01
KCP00
R/W
KCP03
KCP02
KCP01
KCP00
1
1
1
1
K00–K03 input comparison register
FF24H
SIK13
SIK12
SIK11
SIK10
R/W
SIK13
SIK12
SIK11
SIK10
0
0
0
0
Enable
Enable
Enable
Enable
Disable
Disable
Disable
Disable
K10–K13 interrupt selection register
FF26H
KCP13
KCP12
KCP11
KCP10
R/W
KCP13
KCP12
KCP11
KCP10
1
1
1
1
K10–K13 input comparison register
FFE1H
0
EIPT2
EIPT1
EIPT0
R
R/W
0
∗
3
EIPT2
EIPT1
EIPT0
–
∗
2
0
0
0
Enable
Enable
Enable
Mask
Mask
Mask
Unused
Interrupt mask register (Programmable timer 2)
Interrupt mask register (Programmable timer 1)
Interrupt mask register (Programmable timer 0)
FFE2H
0
0
0
EISIF
R
R/W
0
∗
3
0
∗
3
0
∗
3
EISIF
–
∗
2
–
∗
2
–
∗
2
0
Enable
Mask
Unused
Unused
Unused
Interrupt mask register (Serial I/F)
FFE3H
0
0
0
EIK0
R
R/W
0
∗
3
0
∗
3
0
∗
3
EIK0
–
∗
2
–
∗
2
–
∗
2
0
Enable
Mask
Unused
Unused
Unused
Interrupt mask register (K00–K03)
FFE5H
EIT3
EIT2
EIT1
EIT0
R/W
EIT3
EIT2
EIT1
EIT0
0
0
0
0
Enable
Enable
Enable
Enable
Mask
Mask
Mask
Mask
Interrupt mask register (Clock timer 1 Hz)
Interrupt mask register (Clock timer 2 Hz)
Interrupt mask register (Clock timer 8 Hz)
Interrupt mask register (Clock timer 32 Hz)
FFE4H
0
0
0
EIK1
R
R/W
0
∗
3
0
∗
3
0
∗
3
EIK1
–
∗
2
–
∗
2
–
∗
2
0
Enable
Mask
Unused
Unused
Unused
Interrupt mask register (K10–K13)
FFE6H
EIRUN
EILAP
EISW1 EISW10
R/W
EIRUN
EILAP
EISW1
EISW10
0
0
0
0
Enable
Enable
Enable
Enable
Mask
Mask
Mask
Mask
Interrupt mask register (Stopwatch direct RUN)
Interrupt mask register (Stopwatch direct LAP)
Interrupt mask register (Stopwatch timer 1 Hz)
Interrupt mask register (Stopwatch timer 10 Hz)
FFE7H
0
0
EIRFB
EIRFM
R
R/W
0
∗
3
0
∗
3
EIRFB
EIRFM
–
∗
2
–
∗
2
0
0
Enable
Enable
Mask
Mask
Unused
Unused
Interrupt mask register (R/f converter reference oscillate completion)
Interrupt mask register (R/f converter sensor oscillate completion)
FFF2H
0
0
0
ISIF
R
R/W
0
∗
3
0
∗
3
0
∗
3
ISIF
–
∗
2
–
∗
2
–
∗
2
0
(R)
Yes
(W)
Reset
(R)
No
(W)
Invalid
Unused
Unused
Unused
Interrupt factor flag (Serial I/F)
FFF1H
0
IPT2
IPT1
IPT0
R
R/W
0
∗
3
IPT2
IPT1
IPT0
–
∗
2
0
0
0
(R)
Yes
(W)
Reset
(R)
No
(W)
Invalid
Unused
Interrupt factor flag (Programmable timer 2)
Interrupt factor flag (Programmable timer 1)
Interrupt factor flag (Programmable timer 0)
*1 Initial value at initial reset
*2 Not set in the circuit
*3 Constantly "0" when being read