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author m1macrophage <168948267+m1macrophage@users.noreply.github.com>2025-01-11 02:25:42 -0800
committer GitHub <noreply@github.com>2025-01-11 11:25:42 +0100
commit38b15677a62783946fe62ec77341d3a3db016b17 (patch)
tree6b215193105d306b74ad3cdebf9eb97e2dad8835
parent9b678848173b2a0f370fd458ec225b66330f1036 (diff)
sound/dac76.h: Documenting equivalence to AM6070. Fixing pin locations. (#13168)
-rw-r--r--src/devices/sound/dac76.h19
1 files changed, 11 insertions, 8 deletions
diff --git a/src/devices/sound/dac76.h b/src/devices/sound/dac76.h
index 9444b726446..a59901a10dc 100644
--- a/src/devices/sound/dac76.h
+++ b/src/devices/sound/dac76.h
@@ -6,16 +6,19 @@
Companding D/A Converter
+ Equivalent to the AM6070, which is an "improved pin-for-pin replacement for
+ DAC-76" (according to the AM6070 datasheet).
+
___ ___
- E/D 1 |* u | 10 VLC
- SB 2 | | 11 VR+
- B1 3 | | 12 VR-
- B2 4 | | 13 V-
+ E/D 1 |* u | 18 V+
+ SB 2 | | 17 IOD-
+ B1 3 | | 16 IOD+
+ B2 4 | | 15 IOE-
B3 5 | | 14 IOE+
- B4 6 | | 15 IOE-
- B5 7 | | 16 IOD+
- B6 8 | | 17 IOD-
- B7 9 |_______| 18 V+
+ B4 6 | | 13 V-
+ B5 7 | | 12 VR-
+ B6 8 | | 11 VR+
+ B7 9 |_______| 10 VLC
***************************************************************************/