21 HW Processor (HWP) and Sound Output
21-20
Seiko Epson Corporation
S1C31D50/D51 TECHNICAL MANUAL
(Rev. 2.00)
Bits 31–0 KEYCODE[31:0]
These bits specify the key code.
Write the key code provided by Seiko Epson.
Ch.
n
Command Register
Register name
Bit
Bit name
Initial
Reset
R/W
Remarks
COMMAND_n
(Sound Play)
15–8 OPTION[7:0]
0x00
H0
W
–
7–0 COMMAND[7:0]
0x00
H0
W
Bits 15–8 OPTION[7:0]
These bits select a command option (gapless play/silent period insertion).
Table 21.6.3 Command Option Selection
COMMAND_n.
OPTION[7:0] bits
Command Option
0xff–0x02
Setting prohibited (error)
0x01
Gapless play enable
Sound will be played without a silent period inserted
(gap = 0 ms) between phrases.
0x00
Gapless play disable
Sound will be played with about 100 ms of a silent
period (gap) inserted between phrases.
Notes: • During 2-channel mix output with Ch.0 and Ch.1, gapless play cannot be performed
(gapless play is disabled for both channels).
• Depending on the contents of the sentence to play, the played voice may be difficult to
hear even if gapless play is enabled. Conduct sufficient evaluation when using the gapless
play function.
Bits 7–0
COMMAND[7:0]
These bits select a sound play command to be executed.
Table 21.6.4 Sound Play Command Selection
COMMAND_n.COMMAND[7:0] bits
Sound play command
0xff–0x0a
Setting prohibited (error)
0x09
Release Mute
0x08
Mute after Current Phrase
0x07
Mute Immediately
0x06
Release Pause
0x05
Pause after Current Phrase
0x04
Pause Immediately
0x03
Sound Stop after Current Phrase
0x02
Sound Stop Immediately
0x01
Sound Start
0x00
No operation
Ch.n Sentence Number Setting Register
Register name
Bit
Bit name
Initial
Reset
R/W
Remarks
SENTENCE_n
(Sound Play)
15–0 SENTENCE_NO[15:0] 0x0000
H0
W
–
Bits 15–0 SENTENCE_NO[15:0]
These bits specify the sentence number of the sound to be played.
Set the sentence number that was listed in the “Voice Creation Tool (ESPER2).”
Ch.
n
Volume Control Register
Register name
Bit
Bit name
Initial
Reset
R/W
Remarks
VOLUME_n
(Sound Play)
15–0 VOLUME[15:0]
0x0000
H0
W
–