st2064b Sitronix Technology Corporation, st2064b Datasheet - Page 26

• Manufacturer Part Number: st2064b
• Description: 8 Bit Microcontroller With 64k Bytes Rom
• Manufacturer: Sitronix Technology Corporation

Ver. 3.0
Address Name R/W
Address Name
Address
$010
$012
$013
$015
$016
$017
$015
$017
$011
Bit 3~0: VOL0[3~0] : PSG channel 0 volume control bit
Bit 7~4: VOL1[3~0] : PSG channel 1 volume control bit
Bit 3:
Bit 2:
Bit 1:
Bit 0:
Note: If single channel is enable, then PSG volume control can be double. (16
PSG0L
PSG0H
PSG1L
PSG1H
PSGC2 R/W
PSGC
VOL
PSGC2 R/W
VOL
1 = PSGO is output High.
0 = PSGO is output Low
1 = PSGOB is output High.
0 = PSGOB is output Low
1 = PSGO is PSG data output pin.
0 = PSGO is normal output pin
1 = PSGOB is PSG inverse data output pin.
0 = PSGOB is normal output pin
Name
0000 = No sound output
0001 = 1/16 volume
0100 = 4/16 volume
1000 = 8/16 volume
1111 = Maximum volume
0000 = No sound output
0001 = 1/16 volume
0100 = 4/16 volume
1000 = 8/16 volume
1111 = Maximum volume
+ 16 = 32 level volume control)
PSGOD : Data bit if PSGO is used as normal output pin.
PSGOBD : Data bit if PSGOB is used as normal output pin.
PSGOE : PSG output enable bit
PSGOBE : PSG inverse signal output enable bit
:
:
:
:
:
:
R/W
R/W
W
W
W
W
W
W
W
W
PSG0[7] PSG0[6] PSG0[5] PSG0[4] PSG0[3] PSG0[2] PSG0[1] PSG0[0]
PSG1[7] PSG1[6] PSG1[5] PSG1[4] PSG1[3] PSG1[2] PSG1[1] PSG1[0]
VOL1[3]
Bit 7
Bit 7
VOL1[3] VOL1[2] VOL1[1] VOL1[0] VOL0[3] VOL0[2] VOL0[1] VOL0[0]
-
-
-
-
-
Bit 7
TABLE 13-2 CONTROL REGISTER FOR PSG OUTPUT (PSGC2)
-
VOL1[2]
PCK[2]
PCK[2]
TABLE 13-3 PSG Volume Control Register (VOL)
Bit 6
Bit 6
Bit 6
-
-
-
-
(PSGCK must >= 20K Hz)
TABLE 13-1 Summary Of PSG Registers
(PSGCK must >= 320K Hz)
(PSGCK must >= 20K Hz)
(PSGCK must >= 320K Hz)
VOL1[1]
PCK[1]
PCK[1]
Bit 5
Bit 5
Bit 5
-
-
-
-
VOL1[0]
PCK[0]
PCK[0]
Bit 4
26/57
Bit 4
Bit 4
-
-
-
-
PSG0[11] PSG0[10] PSG0[9] PSG0[8]
PSG1[11] PSG1[10] PSG1[9] PSG1[8]
VOL0[3]
PSGOD PSGOBD PSGOE PSGOBE
PSGOD PSGOBD PSGOE PSGOBE
DMD[1]
PRBS
Bit 3
Bit 3
Bit 3
VOL0[2]
DMD[0]
Bit 2
C1EN
Bit 2
Bit 2
VOL0[1]
Bit 1
Bit 1
C0EN
Bit 1
INH
Bit 0
DACE=0
DACE=1
VOL0[0]
Bit 0
Bit 0
0000 0000
Default
- - - - 1111
0000 0000
0000 0000
Default
- 000 0000
- 000 0000
- - - - 0000
- - - - 0000
0000 0000
- - - - 1111
Default
ST2064B
5/8/09