STK88C4050 Syntec Semiconductor, STK88C4050 Datasheet - Page 18

• Manufacturer Part Number: STK88C4050
• Description: ROM-less Adpcm Voice Controller.
• Manufacturer: Syntec Semiconductor

00FD
00FE
00FF
Voice Microcontroller
Timer 3 higher nibble data. Write only.
Timer 4 data. Read and Write.
Read:
If timer_4 is disabled, read low 8 bit counter data.
Write:
*
*
*
*
*
Timer 4 higher nibble data. Read and Write.
Read:
If timer_4 is disabled, read high 4 bit counter data.
Syntek Semiconductor Co., Ltd.
After timer 4 been enabled, the timer will start to count down. When
timer counts to 0, the timer will count from the initial value and IRQ4
will happen.
This timer data is used with $00FF. Total is 12 bits
Valid values($00FF,$00FE)/ are from 1 to 4095. 0 is prohibited.
Timer 1 input clock is ($00F5).
The time elapse = ($00FF,$00FE) / ($00F5)
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STK88C4050