
S1C6S460 TECHNICAL MANUAL
EPSON
11
CHAPTER 2: CPU AND BUILT-IN MEMORY
Table 2.3.1(a) I/O data memory map (1)
Address
Comment
Register
D3
D2
D1
D0
Name
Init
1
0
*1
F00H
IT32
R
IT1
IT2
IT8
IT32
0
Interrupt factor flag (clock timer 1 Hz)
Interrupt factor flag (clock timer 2 Hz)
Interrupt factor flag (clock timer 8 Hz)
Interrupt factor flag (clock timer 32 Hz)
Yes
No
IT8
IT2
IT1
F01H
ISW0
R
0
ISW1
ISW0
–
0
Interrupt factor flag (stopwatch 1 Hz)
Interrupt factor flag (stopwatch 10 Hz)
Yes
No
ISW1
0
F02H
IPT
R
0
IPT
–
0
Yes
No
0
F03H
ISIO
R
0
ISIO
–
0
Yes
No
0
F04H
IK0
R
0
IK0
–
0
Interrupt factor flag (K00–K03)
Yes
No
0
F05H
IK1
R
0
IK1
–
0
Interrupt factor flag (K10–K13)
Yes
No
0
F10H
EIT32
R/W
EIT1
EIT2
EIT8
EIT32
0
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)
Enable
Mask
EIT8
EIT2
EIT1
F11H
EISW0
R/W
0
EISW1
EISW0
–
0
Interrupt mask register (stopwatch 1 Hz)
Interrupt mask register (stopwatch 10 Hz)
Enable
Mask
EISW1
0
F12H
EIPT
R/W
0
EIPT
–
0
Enable
Mask
0
R
0
F13H
EISIO
R/W
0
EISIO
–
0
Enable
Mask
0
R
0
F14H
EIK00
R/W
EIK03
EIK02
EIK01
EIK00
0
Interrupt mask register (K03)
Interrupt mask register (K02)
Interrupt mask register (K01)
Interrupt mask register (K00)
Enable
Mask
EIK01
EIK02
EIK03
F15H
EIK10
R/W
EIK13
EIK12
EIK11
EIK10
0
Interrupt mask register (K13)
Interrupt mask register (K12)
Interrupt mask register (K11)
Interrupt mask register (K10)
Enable
Mask
EIK11
EIK12
EIK13
*3
*4
*3
*2
*4
*3
*2
*4
*3
*2
*4
*3
*2
*3
*4
*2
*3
*2
*3
*2
*3
*2
Interrupt factor flag (serial interface)
Interrupt factor flag (programmable timer)
Interrupt mask register (programmble timer)
Interrupt mask register (serial interface)
R
F20H
TM0
R
TM3
TM2
TM1
TM0
0
Clock timer data (16 Hz)
Clock timer data (32 Hz)
Clock timer data (64 Hz)
Clock timer data (128 Hz)
TM1
TM2
TM3
F21H
R
TM7
TM6
TM5
TM4
0
Clock timer data (1 Hz)
Clock timer data (2 Hz)
Clock timer data (4 Hz)
Clock timer data (8 Hz)
TM4
TM5
TM6
TM7
1 Initial value following initial reset
2 Not set in the circuit
3 Reset (0) immediately after being read
4 Always "0" when being read