Epson E0C6001 Technical Manual page 21

E0C6001 TECHNICAL HARDWARE
Table 4.1.1(a) I/O memory map
Address
D3
K03
0E0H
TM3
0E4H
EIK03
0E8H
0
R
0EBH
* 1 Initial value following initial reset
* 2 Not set in the circuit
* 3 Undefined
* 4 Reset (0) immediately after being read
* 5 Constantly 0 when being read
* 6 Refer to main manual
I-14
Register
D2 D1 D0 Name
K02 K01 K00 K03
R K02
K01
K00
TM2 TM1 TM0 TM3
TM2
R
TM1
TM0
EIK02 EIK01 EIK00 EIK03
R/W
EIK02
EIK01
EIK00
EIT2 EIT8 EIT32 0
R/W EIT2
EIT8
EIT32
SR *1 1 0
*2
High Low
–
*2
High Low
–
*2
High Low
–
*2
– High Low
High Low
–
High Low
–
– High Low
– High Low
0 Enable Mask
0 Enable Mask
0 Enable Mask
0 Enable Mask
*5
Enable Mask
0
Enable Mask
0
Enable Mask
0
Comment
Input port (K00–K03)
Timer data (clock timer 2 Hz)
Timer data (clock timer 4 Hz)
Timer data (clock timer 8 Hz)
Timer data (clock timer 16 Hz)
Interrupt mask register (K03)
Interrupt mask register (K02)
Interrupt mask register (K01)
Interrupt mask register (K00)
Interrupt mask register (clock timer 2 Hz)
Interrupt mask register (clock timer 8 Hz)
Interrupt mask register (clock timer 32 Hz)