st2024c Sitronix Technology Corporation, st2024c Datasheet - Page 29

• Manufacturer Part Number: st2024c
• Description: 24k 8-bit Single Chip Microcontroller
• Manufacturer: Sitronix Technology Corporation

Ver 2.2
＊ Only use Channel-0 and VOL=0FFH，volume is maximum.
Address Name
Address Name
Address Name
$00F
$010
$012
$013
$016
$017
$00F
$017
$11
Bit 1:
Bit 0:
Bit 3~0: VOL0[3~0] : PSG volume control bit
Bit 7~4: VOL1[3~0] : PSG volume control bit
＊0000 = No sound output
＊0000 = No sound output
PMCR
PSG0L
PSG0H
PSG1L
PSG1H
PSGC
VOL
PMCR
VOL
PSGO : PSG output enable bit
PSGB : PSG inverse signal output enable bit
1 = PSG data output pin if PB1 is set in output mode
0 = PB1 is normal I/O pin
1 = PB0 is PSG inverse data output pin if PB0 is set in output mode
0 = PB0 is normal I/O pin
1111 = Maximum volume (PSGCK must >= 20K Hz)
0001 = 1/16 volume
0010 = 2/16 volume
1110 = 15/16 volume
1111 = Maximum volume (PSGCK must >= 20K Hz)
0001 = 1/16 volume
0010 = 2/16 volume
1110 = 15/16 volume
:
:
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
TABLE 13-26: CONTROL REGISTER FOR PSG OUTPUT (PMCR)
TABLE 13-27: CONTROL REGISTER FOR PSG VOLUME (VOL)
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] VOL1[2] VOL1[1] VOL1[0] VOL0[3] VOL0[2] VOL0[1] VOL0[0]
VOL1[3] VOL1[2] VOL1[1] VOL1[0] VOL0[3] VOL0[2] VOL0[1] VOL0[0]
PULL
PULL
Bit 7
Bit 7
Bit 7
TABLE 13-25: SUMMARY FOR PSG REGISTERS
-
-
-
-
(PSGCK must >= 320K Hz)
(PSGCK must >= 320K Hz)
PCK[2]
PCK[2]
PDBN
PDBN
Bit 6
Bit 6
Bit 6
-
-
PCK[1]
PCK[1]
INTEG
INTEG
Bit 5
Bit 5
Bit 5
-
-
29/54
PCK[0]
PCK[0]
Bit 4
Bit 4
Bit 4
-
-
-
-
PSG0[11] PSG0[10]
PSG1[11] PSG1[10]
DMD[1]
PRBS
Bit 3
Bit 3
Bit 3
-
-
DMD[0]
C1EN
Bit 2
Bit 2
Bit 2
-
-
PSG0[9] PSG0[8]
PSG1[9] PSG1[8]
PSGO
PSGO
C0EN
Bit 1
Bit 1
Bit 1
INH
DACE=0
DACE=1
PSGB
PSGB
Bit 0
Bit 0
Bit 0
100 - - -00
100 - - -00
0000 0000
0000 0000
0000 0000
- - - - 0000
- 000 0000
- 000 0000
- - - - 0000
0000 0000
ST2024C
Default
Default
Default
1/31/08