Epson S1C63558 - Manual (Page 29)

S1C63558 TECHNICAL MANUAL EPSON 19
CHAPTER 4: PERIPHERAL CIRCUITS AND OPERATION (Memory Map)
Table 4.1.1 (e) I/O memory map (FF6CH–FF7AH)
Address Comment
D3 D2
Register
D1 D0 Name Init
∗
1 1 0
FF6EH
0 BZFQ2 BZFQ1 BZFQ0
R R/W
0 ∗ 3
BZFQ2
BZFQ1
BZFQ0
– ∗ 2
0
0
0
FF6FH
0 BDTY2 BDTY1 BDTY0
R R/W
0 ∗ 3
BDTY2
BDTY1
BDTY0
– ∗ 2
0
0
0
FF6CH
ENRTM ENRST ENON BZE
R/W W R/W
ENRTM
ENRST
∗
3
ENON
BZE
0
Reset
0
0
1sec
Reset
On
Enable
0.5sec
Invalid
Off
Disable
Envelope releasing time selection
Envelope reset (writing)
Envelope On/Off
Buzzer output enable
FF6DH
0 BZSTP BZSHT SHTPW
R W R/W
0
∗ 3
BZSTP ∗ 3
BZSHT
SHTPW
–
∗ 2
0
0
0
Stop
Trigger
Busy
125msec
Invalid
Invalid
Ready
31.25msec
Unused
1-shot buzzer stop (writing)
1-shot buzzer trigger (writing)
1-shot buzzer status (reading)
1-shot buzzer pulse width setting
0
Clk-sync. master
2
Async. 7-bit
1
Clk-sync. slave
3
Async. 8-bit
[SMD1, 0]
Mode
[SMD1, 0]
Mode
FF70H
0 SMD1 SMD0 ESIF
R R/W
0 ∗ 3
SMD1
SMD0
ESIF
– ∗ 2
0
0
0 SIF I/O
Unused
Serial I/F (1)
mode selection
Serial I/F (1) enable (P1x port function selection)
0
1200bps
1
600bps
2
2400bps
3
PT
[SCS1, 0]
Mode
FF71H
EPR PMD SCS1 SCS0
R/W
EPR
PMD
SCS1
SCS0
0
0
0
0
Enable
Odd
Disable
Even
Serial I/F (1) parity enable register
Serial I/F (1) parity mode selection
SIF (1) clock
source selection
R/W
FF72H
RXTRG RXEN TXTRG TXEN
RXTRG
RXEN
TXTRG
TXEN
0
0
0
0
Run
Trigger
Enable
Run
Trigger
Enable
Stop
–
Disable
Stop
–
Disable
Serial I/F (1) receive status (reading)
Serial I/F (1) receive trigger (writing)
Serial I/F (1) receive enable
Serial I/F (1) transmit status (reading)
Serial I/F (1) transmit trigger (writing)
Serial I/F (1) transmit enable
R R/W
FF73H
0 FER PER OER
0
∗
3
FER
PER
OER
–
∗
2
0
0
0
Error
Reset
Error
Reset
Error
Reset
No error
–
No error
–
No error
–
Unused
Serial I/F (1) framing error flag status (reading)
Serial I/F (1) framing error flag reset (writing)
Serial I/F (1) parity error flag status (reading)
Serial I/F (1) parity error flag reset (writing)
Serial I/F (1) overrun error flag status (reading)
Serial I/F (1) overrun error flag reset (writing)
R/W
FF74H
TRXD3 TRXD2 TRXD1 TRXD0
TRXD3
TRXD2
TRXD1
TRXD0
–
∗
2
– ∗ 2
–
∗ 2
–
∗ 2
High
High
High
High
Low
Low
Low
Low
Serial I/F (1) t ransmit/receive data (low-order 4 bits)
LSB
R/W
FF75H
TRXD7 TRXD6 TRXD5 TRXD4
TRXD7
TRXD6
TRXD5
TRXD4
–
∗
2
– ∗ 2
–
∗ 2
–
∗ 2
High
High
High
High
Low
Low
Low
Low
MSB
Serial I/F (1) t ransmit/receive data (high-order 4 bits)
R R/W
FF76H
0 0 0 SIFTM
0
∗
3
0 ∗ 3
0
∗ 3
SIFTM
–
∗
2
– ∗ 2
–
∗ 2
0
Unused
Unused
Unused
Serial I/F test mode (disabled. Do not change.)
0
4096.0
1
3276.8
2
2730.7
3
2340.6
[BZFQ2, 1, 0]
Frequency (Hz)
4
2048.0
5
1638.4
6
1365.3
7
1170.3
[BZFQ2, 1, 0]
Frequency (Hz)
Unused
Buzzer
frequency
selection
Unused
Buzzer signal duty ratio selection
(refer to main manual)
W R/W R
FF78H
0 0 TMRST TMRUN
0 ∗ 3
0
∗ 3
TMRST
∗ 3
TMRUN
– ∗ 2
–
∗ 2
Reset
0
Reset
Run
Invalid
Stop
Unused
Unused
Clock timer reset (writing)
Clock timer Run/Stop
R
FF79H
TM3 TM2 TM1 TM0
TM3
TM2
TM1
TM0
0
0
0
0
Clock timer data (16 Hz)
Clock timer data (32 Hz)
Clock timer data (64 Hz)
Clock timer data (128 Hz)
R
FF7AH
TM7 TM6 TM5 TM4
TM7
TM6
TM5
TM4
0
0
0
0
Clock timer data (1 Hz)
Clock timer data (2 Hz)
Clock timer data (4 Hz)
Clock timer data (8 Hz)