Supero Super P6DNF, Руководство пользователя

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A-8
SUPER P6DOF/P6SOF User’s Manual
Channel Function Status
0 System Timer
Gate 0: Always Enabled
Clock In 0: 1.19 MHz clock
Clock Out 0: IRQ0
1 Memory Refresh Request/Generator
Gate 1: Always Enabled
Clock In 1: 1.19 MHz clock
Clock Out 1: Refresh request cycle
2 Speaker Tone Generator
Gate 2: Bit 0 of I/O port 61 H
Clock In 2: 1.19 MHz
Clock Out 2: Audio frequency to speaker
Address (Hex) Description
00 – 0D* Real-time clock:
Hex Decimal Function
0 0 Seconds
1 1 Second alarm
2 2 Minutes
3 3 Minute alarm
4 4 Hours
5 5 Hour alarm
6 6 Day of week
7 7 Date of month
8 8 Month
9 9 Year
A 10 Status Register A
B 11 Status Register B
C 12 Status Register C
D 13 Status Register D
* This byte is not included in the checksum calculation and is not part of
the configuration record
.
Table A-8. CMOS RAM Address Map
Table A-7. Timers/Counters