Motorola DSP56309 User Manual page 252

24-bit digital signal processor
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Bit Settings
TC3
TC2
TC1
0
1
0
0
1
0
0
1
1
0
1
1
1
0
0
1
0
0
1
0
1
1
0
1
1
1
0
1
1
0
1
1
1
1
1
1
Note 1: The GPIO function is enabled only if all of the TC[3:0] bits are 0.
9.3.4.5
Inverter (INV) Bit 8
The Inverter (INV) bit affects the polarity definition of the incoming signal on the TIO
signal when TIO is programmed as input. It also affects the polarity of the output pulse
generated on the TIO signal when TIO is programmed as output.
MOTOROLA
Table 9-2 Timer Control Bits (Continued)
Mode
TC0
Number
0
4
1
5
0
6
1
7
Pulse Width Modulation
0
8
1
9
0
10
1
11
0
12
1
13
0
14
1
15
DSP56309UM/D
Triple Timer Module Programming Model
Mode Characteristics
Mode Function
Input Width
Measurement
Input Period
Measurement
Capture Event
(PWM)
Reserved
Watchdog Pulse
Watchdog Toggle
Reserved
Reserved
Reserved
Reserved
Reserved
Triple Timer Module
TIO
Clock
Input
Internal
Input
Internal
Input
Internal
Output
Internal
Ñ
Ñ
Output
Internal
Output
Internal
Ñ
Ñ
Ñ
Ñ
Ñ
Ñ
Ñ
Ñ
Ñ
Ñ
9-11

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