RAMDAC 256 x 24: Difference between revisions
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=Pinout= | =Pinout= | ||
<pre> | <pre> | ||
LCC44 | LCC44-690x690mil | ||
+-----------------------------------------------+ | +-----------------------------------------------+ | ||
| 40 Clock | 7 *BLANK | 18 RS1 | 29 COMP | | | 40 Clock | 7 *BLANK | 18 RS1 | 29 COMP | | ||
| Line 40: | Line 40: | ||
+-----------------------------------------------+ | +-----------------------------------------------+ | ||
</pre> | </pre> | ||
=External links= | =External links= | ||
Latest revision as of 21:43, 2 May 2020
| BRAND | TAG | NUMBER | PIN COUNT | OUTPUT | MARKINGS |
|---|---|---|---|---|---|
| Brooktree | BT | 478 | LCC44 | . | BT478KP BT478KPJ |
Random Access Memory Digital-to-Analog Converter 256 x 24 Color Palette (LCC44)
Size
| bit | Byte (unpadded) | Hex |
|---|---|---|
| 6177 | 768 | 1800hex |
Pinout
LCC44-690x690mil +-----------------------------------------------+ | 40 Clock | 7 *BLANK | 18 RS1 | 29 COMP | | 41 OL0 | 8 D0 | 19 GND | 30 OPA | | 42 OL1 | 9 D1 | 20 Vcc | 31 Vref | | 43 OL2 | 10 D2 | 21 Vcc | 32 P0 | | 44 OL3 | 11 D3 | 22 Vcc | 33 P1 | | 1 NC | 12 D4 | 23 SETUP | 34 P2 | | 2 NC | 13 D5 | 24 GND | 35 P3 | | 3 GND | 14 D6 | 25 RED | 36 P4 | | 4 Vcc | 15 D7 | 26 GREEN | 37 P5 | | 5 GND | 16 *WR | 27 BLUE | 38 P6 | | 6 *RS | 17 RS0 | 28 Iref | 39 P7 | +-----------------------------------------------+
External links
Frequency
PLCC44
Set reader to FREQ, put black probe to GND, red probe to 40 to measure CPU clock
Files
-
BT478 Datasheet
