Konami 052539
Description
The chip referenced 052539 2312P001 is an SCC sound generator with the capacity to manage a MegaRAM up to 256Kb. This chip is a custom chip designed by Konami, and made by Toshiba, for the Sound Cartridge included with the games Snatcher and SD Snatcher.
This chip is often called SCC-I because that is written on the chip but it's also written on other totally different chips released by Konami, otherwise commonly referred to as SCC+, as it is an improved version of the SCC sound chip. In a normal SCC, the 4th and 5th channel share the same wave form. In the SCC+ the 5th channel have its own configurable envelope (waveform).
Pinout
| Pin | Type | Name | Remark |
|---|---|---|---|
| 1 | VSS | Go to pin 41,43(GND) of slot cartridge | |
| 2 | ? | ? | Go to pin 41,43(GND) of slot cartridge |
| 3 | ? | ? | Go to pin 41,43(GND) of slot cartridge |
| 4 | O | MA0 | Go to pin 10 (A7) of RAM |
| 5 | O | MA1 | Go to pin 11 (A3) of RAM |
| 6 | O | MA2 | Go to pin 12 (A2) of RAM |
| 7 | O | MA3 | Go to pin 13 (A1) of RAM |
| 8 | O | MA4 | Go to pin 14 (A0) of RAM |
| 9 | O | MA5 | Go to pin 08 (A4) of RAM |
| 10 | O | MA6 | Go to pin 07 (A5) of RAM |
| 11 | O | MA7 | Go to pin 06 (A6) of RAM |
| 12 | O | MA8 | N.C. (Can be used to upgrade the cartridge to 256kB) |
| 13 | O | OE | Go to pin 01 (/CS) of RAM |
| 14 | O | W | Go to pin 04 (/W) of RAM |
| 15 | ? | ? | N.C. |
| 16 | O | DA0 | Go to the binary-weighted resistors pin 13 |
| 17 | O | DA1 | Go to the binary-weighted resistors pin 12 |
| 18 | O | DA2 | Go to the binary-weighted resistors pin 11 |
| 19 | O | DA3 | Go to the binary-weighted resistors pin 10 |
| 20 | O | DA4 | Go to the binary-weighted resistors pin 09 |
| 21 | O | DA5 | Go to the binary-weighted resistors pin 08 |
| 22 | VSS | Go to pin 41,43(GND) of slot cartridge | |
| 23 | O | DA6 | Go to the binary-weighted resistors pin 07 |
| 24 | O | DA7 | Go to the binary-weighted resistors pin 06 |
| 25 | O | DA8 | Go to the binary-weighted resistors pin 05 |
| 26 | O | DA9 | Go to the binary-weighted resistors pin 04 |
| 27 | O | DA10 | Go to the binary-weighted resistors pin 03 |
| 28 | I/O | D4 | Go to pin 02 (DQ1) of the first and second RAM chips, then slot cartridge (D4) |
| 29 | I/O | D5 | Go to pin 03 (DQ2) of the first and second RAM chips, then slot cartridge (D5) |
| 30 | I/O | D6 | Go to pin 15 (DQ3) of the first and second RAM chips, then slot cartridge (D6) |
| 31 | I/O | D7 | Go to pin 17 (DQ4) of the first and second RAM chips, then slot cartridge (D7) |
| 32 | VSS | Go to pin 41,43(GND) of slot cartridge | |
| 33 | I/O | D3 | Go to pin 17 (DQ4) of the third and fourth RAM chips, then slot cartridge (D3) |
| 34 | I/O | D2 | Go to pin 15 (DQ3) of the third and fourth RAM chips, then slot cartridge (D2) |
| 35 | I/O | D1 | Go to pin 03 (DQ2) of the third and fourth RAM chips, then slot cartridge (D1) |
| 36 | I/O | D0 | Go to pin 02 (DQ1) of the third and fourth RAM chips, then slot cartridge (D0) |
| 37 | I | A5 | Go to pin 31 of slot cartridge |
| 38 | I | A4 | Go to pin 32 of slot cartridge |
| 39 | I | A3 | Go to pin 29 of slot cartridge |
| 40 | I | A2 | Go to pin 30 of slot cartridge |
| 41 | I | A1 | Go to pin 27 of slot cartridge |
| 42 | I | A0 | Go to pin 28 of slot cartridge |
| 43 | I | A14 | Go to pin 25 of slot cartridge |
| 44 | I | A13 | Go to pin 26 of slot cartridge |
| 45 | I | A12 | Go to pin 23 of slot cartridge |
| 46 | I | A8 | Go to pin 24 of slot cartridge |
| 47 | I | A7 | Go to pin 21 of slot cartridge |
| 48 | I | A6 | Go to pin 22 of slot cartridge |
| 49 | I | A11 | Go to pin 19 of slot cartridge |
| 50 | I | A10 | Go to pin 20 of slot cartridge |
| 51 | I | A9 | Go to pin 17 of slot cartridge |
| 52 | I | A15 | Go to pin 18 of slot cartridge |
| 53 | I | RESET | Go to pin 15 of slot cartridge |
| 54 | I | WR | Go to pin 13 of slot cartridge. On some cartridges, this pin is short-circuited with a wire connected to pin 04 (/W) of RAM. |
| 55 | I | RD | Go to pin 14 of slot cartridge |
| 56 | I | RFSH | Go to pin 06 of slot cartridge |
| 57 | I | CS | Go to pin 04 (/SLTSL) of slot cartridge |
| 58 | O | CAS | Go to pin 16 (/CAS) of the first and third chips (SD Snatcher) |
| 59 | O | CAS | Go to pin 16 (/CAS) of the second and fourth chips (Snatcher) |
| 60 | O | RAS | Go to pin 5 (/RAS) of 4 RAM chips |
| 61 | I | SND CLK | Sound clock (3.58 MHz), Go to pin 42 of slot cartridge |
| 62 | I | BUS CLK | CPU/BUS clock (3.58 MHz), Go to pin 42 of slot cartridge |
| 63 | ? | ? | Go to pin 45,47 (+5V power supply) of slot cartridge |
| 64 | PWR | VCC | Go to pin 45,47 (+5V power supply) of slot cartridge |