
I-112
EPSON
S1C62740 TECHNICAL HARDWARE
CHAPTER 4: PERIPHERAL CIRCUITS AND OPERATION (Interrupt and HALT/SLEEP)
Table 4.15.4(b) Control bits of interrupt (2)
*1 Initial value at the time of initial reset
*5 Constantly "0" when being read
*2 Not set in the circuit
*6 Refer to main manual
*3 Undefined
*7 Page switching in I/O memory is not necessary
*4 Reset (0) immediately after being read
Interrupt mask registers (CCH)
Interrupt factor flags (C6H)
See Section 4.8, "Clock Timer".
EIT32, EIT8, EIT2, EIT1:
IT32, IT8, IT2, IT1:
EISW0, EISW1:
ISW0, ISW1:
Interrupt mask registers (CBHD0, D1)
Interrupt factor flags (C5HD0, D1)
See Section 4.9, "Stopwatch Timer".
EIAD:
IAD:
Interrupt mask register (C8HD2)
Interrupt factor flag (C4HD0)
See Section 4.12, "A/D Converter".
DFK00–DFK03:
SIK00–SIK03:
EIK0:
IK0:
Input comparison registers (D2H)
Interrupt selection registers (CAH)
Interrupt mask register (C9HD0)
Interrupt factor flag (C3HD0)
See Section 4.4, "Input Ports".
DFK10:
EIK1:
IK1:
Input comparison register (D3HD0)
Interrupt mask register (C9HD0)
Interrupt factor flag (C3HD0)
See Section 4.4, "Input Ports".
EISIO:
ISIO:
Interrupt mask register (C8HD1)
Interrupt factor flag (C1HD0)
See Section 4.11, "Serial Interface".
EIPT:
IPT:
Interrupt mask register (C8HD0)
Interrupt factor flag (C0HD0)
See Section 4.10, "Programmable Timer".
Address
Comment
Register
D3
D2
D1
D0
Name
Init
1
0
*1
*7
CCH
EIT32
EIT1
EIT2
EIT8
EIT32
0
Enable
Mask
EIT8
EIT2
EIT1
R/W
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)
D2H
DFK00
R/W
DFK03
DFK02
DFK01
DFK00
DFK01
DFK02
DFK03
1
DFK10
R
0
DFK10
–
1
0
D3H
*2
*5
Unused
Input comparison register (K10)
Input comparison register (K00–K03)
R/W