Description
Real Time Clock (RTC) for Amiga 3000(T) and 4000(T).
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Direct CPU Connection
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4-bit bidirectional data bus : D0 – D3
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4-bit address input: A0 – A3
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Built-in clock counter (hour, minute, second) and calendar counter (leap year, year, month, day, day-of-the-week)
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Supports both 12-hour AM/PM clock and 24-hour clock
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All clock data expressed in BCD codes • ±30 second adjustment function
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Backed up by batteries (minimum:2.2V)
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Built-in RAM
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Outputs alarm signals or timing pulse of 16Hz or 1Hz.
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Housing: 18pin DIP
Datasheet: RICOH RP5C01A
Location on different Amiga models:
A3000 | U190 |
A3000-T | U190 |
A4000 | U178 |
A4000cr | U178 |
A4000-T | U180 |
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