Motorola DSP56156 Manual page 307

Application:
Timer
Timer Output Enable
000 = TOUT Disabled
001 = Compare/Overflow Pulse
010 = Overflow Pulse
011 = Compare Pulse
100 = Overflow/Compare Toggle
101 = Compare/Overflow Toggle
110 = Overflow Toggle
111 = Compare Toggle
Inverter Bit
0 = Do NOT Invert TIN Pin Signal
1 = Invert TIN Pin Signal
Timer Enable
0 = Disable Timer
1 = Enable Timer
Timer Control Register (TCR)
X:$FFEC Read/Write
Reset = $0000
MOTOROLA
DSP56156 Timer Programming Sheet
15 14 13 12 11 10
TE INV TO2 TO1 TO0 CIE OIE
Figure C-8 Timer Control Register (TCR)
PROGRAMMING SHEETS
Date:
Programmer:
Compare Interrupt Enable
0 = Disable interrupt
1 = Interrupt DSP after TCTR = TCPR
Overflow Interrupt Enable
0 = Disable interrupt
1 = Interrupt DSP when TCTR = 0
Event Select
0 = Fosc/2 is event clock
1 = TIN is event clock
Decrement Ratio
(Count Register Prescaler)
9 8 7 6 5 4
ES DC7 DC6 DC5 DC4 DC3 DC2 DC1 DC0
Sheet 1 of 1
3 2 1 0
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