76489: Difference between revisions
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|+ style="background:silver" | Texas Instruments SN76489 Product Family Summary | |||
|- | |||
! Chip Variant | |||
! Freq (max) | |||
! Audio In | |||
! Invert Waveform | |||
|- | |||
|TMS9919 / SN94624 || 500 kHz || No || No | |||
|- | |||
|SN76489 || 4 MHz || No || Yes | |||
|- | |||
|SN76489A || 4 MHz || No || No | |||
|- | |||
|SN76494 || 500 kHz || Yes || Yes | |||
|- | |||
|SN76494A || 500 kHz || Yes || No | |||
|- | |||
|SN76496 / NCR 8496 || 4 MHz || Yes || Yes | |||
|- | |||
|SN76496A || 4 MHz || Yes || No | |||
|} | |||
'''Digital Complex Sound Generator''' | '''Digital Complex Sound Generator''' | ||
Latest revision as of 14:11, 29 December 2019
| Chip Variant | Freq (max) | Audio In | Invert Waveform |
|---|---|---|---|
| TMS9919 / SN94624 | 500 kHz | No | No |
| SN76489 | 4 MHz | No | Yes |
| SN76489A | 4 MHz | No | No |
| SN76494 | 500 kHz | Yes | Yes |
| SN76494A | 500 kHz | Yes | No |
| SN76496 / NCR 8496 | 4 MHz | Yes | Yes |
| SN76496A | 4 MHz | Yes | No |
Digital Complex Sound Generator
Pinout
DIP16
+---\/---+
D2 | 1 16| Vcc
D1 | 2 15| D3
D0 | 3 14| CLOCK
READY | 4 13| D4
*WE | 5 12| D5
*OE | 6 11| D6
AUD. OUT | 7 10| D7
GND | 8 9| N.C.
+--------+
Frequency
DIP16
Set reader to FREQ, put black probe to GND, red probe to 14 to measure CPU clock
External links
Files
-
SN76489 Datasheet
