Difference between revisions of "Amstrad Cartridge Identification Device"

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{|{{Prettytable|width: 700px; font-size: 2em;}}
 +
|''Pin number''||''Name''||''Direction''||''Description''
 +
|-
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|1||GND||-||Ground
 +
|-
 +
|2||A7||Input||Address A7
 +
|-
 +
|3||CLK4||Input||Clock (4 MHz)
 +
|-
 +
|4||NC||-||Not connected
 +
|-
 +
|5||CCLR||?||?
 +
|-
 +
|6||SIN||?||?
 +
|-
 +
|7||/CE||Input||Chip enable
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|-
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|8||GND||-||Ground
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|-
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|9||A0||Input||Address A0
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|-
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|10||A1||Input||Address A1
 +
|-
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|11||A2||Input||Address A2
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|-
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|12||A3||Input||Address A3
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|-
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|13||A4||Input||Address A4
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|-
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|14||A5||Input||Address A5
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|-
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|15||A6||Input||Address A6
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|-
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|16||+5V||-||Vcc
 +
|}
  
 
[[Category:Hardware]][[Category:Cartridges]][[Category:CPC Plus]]
 
[[Category:Hardware]][[Category:Cartridges]][[Category:CPC Plus]]

Revision as of 16:48, 21 October 2008

ACID protection chip within a cartridge

The ACID (Amstrad Cartridge Identification Device) protection chip is used in the cartridges of the Plus series and the GX4000 game console. Because this chip is a custom creation by Amstrad it is currently not possible to replace this chip nor to build new cartridges, because it is unknown how it works. It is labeled with "Amstrad 40908"


Pinout

           +--()--+
       GND | 1  16| +5V
       A7  | 2  15| A6
       CLK4| 3  14| A5
       NC  | 4  13| A4
       CCLR| 5  12| A3
       SIN | 6  11| A2
       |CE | 7  10| A1
       GND | 8   9| A0
           +------+
Pin number Name Direction Description
1 GND - Ground
2 A7 Input Address A7
3 CLK4 Input Clock (4 MHz)
4 NC - Not connected
5 CCLR ? ?
6 SIN ? ?
7 /CE Input Chip enable
8 GND - Ground
9 A0 Input Address A0
10 A1 Input Address A1
11 A2 Input Address A2
12 A3 Input Address A3
13 A4 Input Address A4
14 A5 Input Address A5
15 A6 Input Address A6
16 +5V - Vcc
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