
S1C63653 TECHNICAL MANUAL
EPSON
101
CHAPTER 4: PERIPHERAL CIRCUITS AND OPERATION (Interrupt and HALT)
4.13.4 I/O memory of interrupt
Tables 4.13.4.1 shows the I/O addresses and the control bits for controlling interrupts.
Table 4.13.4.1(a) Control bits of interrupt
Address
Comment
D3
D2
Register
D1
D0
Name
Init 1
10
FF20H
SIK03
SIK02
SIK01
SIK00
R/W
SIK03
SIK02
SIK01
SIK00
0
Enable
Disable
K00–K03 interrupt selection register
FF22H
KCP03
KCP02
KCP01
KCP00
R/W
KCP03
KCP02
KCP01
KCP00
1
K00–K03 input comparison register
FF24H
SIK13
SIK12
SIK11
SIK10
R/W
SIK13
SIK12
SIK11
SIK10
0
Enable
Disable
K10–K13 interrupt selection register
FF26H
KCP13
KCP12
KCP11
KCP10
R/W
KCP13
KCP12
KCP11
KCP10
1
K10–K13 input comparison register
FFE3H
000
EIK0
RR/W
0 3
EIK0
– 2
0
Enable
Mask
Unused
Interrupt mask register (K00–K03)
FFE5H
EIT3
EIT2
EIT1
EIT0
R/W
EIT3
EIT2
EIT1
EIT0
0
Enable
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
000
EIK1
RR/W
0 3
EIK1
– 2
0
Enable
Mask
Unused
Interrupt mask register (K10–K13)
FFE7H
00
EIRFB
EIRFM
RR/W
0 3
EIRFB
EIRFM
– 2
0
Enable
Mask
Unused
Interrupt mask register (R/f converter reference oscillate completion)
Interrupt mask register (R/f converter sensor oscillate completion)
FFE0H
00
ECTC1 ECTC0
RR/W
0 3
ECTC1
ECTC0
– 2
0
Enable
Mask
Unused
Interrupt mask register (Programmable timer 1 compare match)
Interrupt mask register (Programmable timer 0 compare match)
FFF0H
00
ICTC1
ICTC0
RR/W
0 3
ICTC1
ICTC0
– 2
0
(R)
Yes
(W)
Reset
(R)
No
(W)
Invalid
Unused
Interrupt factor flag (Programmable timer 1 compare match)
Interrupt factor flag (Programmable timer 0 compare match)
FFF1H
00
IPT1
IPT0
RR/W
0 3
IPT1
IPT0
– 2
0
(R)
Yes
(W)
Reset
(R)
No
(W)
Invalid
Unused
Interrupt factor flag (Programmable timer 1 underflow)
Interrupt factor flag (Programmable timer 0 underflow)
FFE1H
00
EIPT1
EIPT0
RR/W
0 3
EIPT1
EIPT0
– 2
0
Enable
Mask
Unused
Interrupt mask register (Programmable timer 1 underflow)
Interrupt mask register (Programmable timer 0 underflow)
FFF3H
000
IK0
RR/W
0 3
IK0
– 2
0
(R)
Yes
(W)
Reset
(R)
No
(W)
Invalid
Unused
Interrupt factor flag (K00–K03)
FFF4H
000
IK1
RR/W
0 3
IK1
– 2
0
(R)
Yes
(W)
Reset
(R)
No
(W)
Invalid
Unused
Interrupt factor flag (K10–K13)
*1 Initial value at initial reset
*3 Constantly "0" when being read
*2 Not set in the circuit