YAMAHA YM3439
The CPU only writes data to these registers. The sound is generated by the following blocks.| Part No. | YM3439 |
|---|---|
| Datasheet | YM3439 Download |
| Manufacturer |  YAMAHA |
| Description | Software-Controlled Sound Generator |
| Buy | Stock & Price |
DESCRIPTION
l !'in name 1/0 vss CHB I0 CHA 0 Ground CHANNEL 8 DAC OUTPUT CHANNEL A DAC OUTPUT Fund ion 10137 1+10 I !O PORT 8 MSB !086 1+10 I IO PORT 8 bit6 1085 I+ IO IIO PORT 8 bit5 !OB-! I+ IO I/O PORT B bit-! 1083 I+ !O I/O PORT B bit3 1082 1+10 I !O PORT B bit2 IO Bl I+ !O I!O PORT B bitl 1080 l+ !O I!O PORT 8 LSB 10:\ 7 1+10 IJO POilT A MSB 10 .-\6 l+ /0 l !O PORT A hit6 10 .-\ 5 1+ 10 110 PO!tT A bit5 10.-\-1 1+ !0 110 PORT A bit-! IOAJ IOA2 I 1+!0 1+ 10 110 PORT A bit3 l.'O PORT A bit2 IO.-\ 1 1+ 10 1/0 PORT A bit! 10.-\0 1+ !0 110 PORT A LSB CLOCK I Clock input for master clock /llESET I+ Reset input (low active) /.-\9 I- CPU interface address input .-\8 /SCI. 13 D lit I+ I+ II CPU interface address input i\las ter clock setting ('L '; CI.OCK/2.●1 I"; CLOCI\) Cl'U interface data bus control input BC2 I CPU interface data bus control input BC! I CPU interface data bus control input [) .-\ 7 110 CPU interface data bus (i\IS!1) D :\G 110 CPU interface data bus 0 .-\5 !JO CPU int...
