76489: Difference between revisions
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! Freq (max) | ! Freq (max) | ||
! Audio In | ! Audio In | ||
! Invert | ! Invert Waveform | ||
|- | |- | ||
|TMS9919 / SN94624 || 500 kHz || No || No | |TMS9919 / SN94624 || 500 kHz || No || No | ||
| Line 17: | Line 17: | ||
|SN76494A || 500 kHz || Yes || No | |SN76494A || 500 kHz || Yes || No | ||
|- | |- | ||
|SN76496 || 4 MHz || Yes || Yes | |SN76496 / NCR 8496 || 4 MHz || Yes || Yes | ||
|- | |- | ||
|SN76496A || 4 MHz || Yes || No | |SN76496A || 4 MHz || Yes || No | ||
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
