Epson 0C88832 Technical Manual page 30

5 PERIPHERAL CIRCUITS AND THEIR OPERATION (I/O Memory Map)
Address Bit Name
00FF4A D7 TRXD7 Transmit/Receive data D7 (MSB)
D6 TRXD6 Transmit/Receive data D6
D5 TRXD5 Transmit/Receive data D5
D4 TRXD4
Transmit/Receive data D4
D3 TRXD3
Transmit/Receive data D3
D2 TRXD2
Transmit/Receive data D2
D1 TRXD1
Transmit/Receive data D1
D0 TRXD0
Transmit/Receive data D0 (LSB)
00FF50 D7 SIK07
K07 interrupt selection register
D6 SIK06
K06 interrupt selection register
D5 SIK05
K05 interrupt selection register
D4 SIK04 K04 interrupt selection register
D3 SIK03 K03 interrupt selection register
D2 SIK02 K02 interrupt selection register
D1 SIK01 K01 interrupt selection register
D0 SIK00 K00 interrupt selection register
00FF51 D7 – –
D6 –
–
D5 –
–
D4 –
–
D3 –
–
D2 –
–
D1 SIK11
General-purpose register
D0 SIK10
K10 interrupt selection register
00FF52 D7 KCP07
K07 input comparison register
D6 KCP06 K06 input comparison register
D5 KCP05 K05 input comparison register
D4 KCP04 K04 input comparison register
D3 KCP03 K03 input comparison register
D2 KCP02 K02 input comparison register
D1 KCP01 K01 input comparison register
D0 KCP00 K00 input comparison register
00FF53 D7 –
–
D6 –
–
D5 –
–
D4 –
–
D3 –
–
D2 –
–
D1 KCP11
General-purpose register
D0 KCP10
K10 input comparison register
00FF54 D7 K07D K07 input port data
D6 K06D K06 input port data
D5 K05D K05 input port data
D4 K04D K04 input port data
D3 K03D K03 input port data
D2 K02D K02 input port data
D1 K01D
K01 input port data
D0 K00D
K00 input port data
24
Table 5.1.1(g) I/O Memory map (00FF4AH–00FF54H)
Function
EPSON
1 0 SR R/W
X
X
X
X
High Low
X
X
X
X
0
0
0
0
Interrupt Interrupt
0
enable disable
0
0
0
–
– –
–
– –
–
– –
–
– –
–
– –
–
– –
0
1 0
0
Enable Disable
1
1
1
Interrupt Interrupt
1
generated generated
1
at falling at rising
1
edge edge
1
1
–
– –
–
– –
–
– –
–
– –
–
– –
–
– –
1
1 0
1
Falling edge Rising edge
–
–
–
–
High level Low level
–
input input
–
–
–
E0C88832/88862 TECHNICAL MANUAL
Comment
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Constantly "0" when
being read
R/W
Reserved register
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Constantly "0" when
being read
R/W
Reserved register
R/W
R
R
R
R
R
R
R
R