XC56309AG100A Freescale Semiconductor, XC56309AG100A Datasheet - Page 43
XC56309AG100A
Manufacturer Part Number
XC56309AG100A
Description
IC DSP 24BIT 100MHZ 144-TQFP
Manufacturer
Freescale Semiconductor
Series
DSP563xxr
Type
Fixed Pointr
Datasheet
1.XC56309AG100A.pdf
(284 pages)
Specifications of XC56309AG100A
Interface
Host Interface, SSI, SCI
Clock Rate
100MHz
Non-volatile Memory
ROM (576 B)
On-chip Ram
24kB
Voltage - I/o
3.30V
Voltage - Core
3.30V
Operating Temperature
-40°C ~ 100°C
Mounting Type
Surface Mount
Package / Case
144-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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2.11 Timers
The DSP56309 has three identical and independent timers. Each can use internal or external
clocking, interrupt the DSP56309 after a specified number of events (clocks), or signal an
external device after counting a specific number of internal events.
Freescale Semiconductor
TIO0
TIO1
TIO2
Notes: 1.
Signal
Name
2.
Input or Output
Input or Output
Input or Output
In the Stop state, the signal maintains the last state as follows:
•
•
The Wait processing state does not affect the signal state.
Type
If the last state is input, the signal is an ignored input.
If the last state is output, these lines are tri-stated.
Ignored input
Ignored input
Ignored input
State During
Reset
Table 2-15. Triple Timer Signals
1, 2
DSP56309 User’s Manual, Rev. 1
Timer 0 Schmitt-Trigger Input/Output
As an external event counter or in Measurement mode, TIO0 is input. In
Watchdog, Timer, or Pulse Modulation mode, TIO0 is output. The default
mode after reset is GPIO input. This can be changed to output or
configured as a Timer Input/Output through the Timer 0 Control/Status
Register (TCSR0). This input is 5 V tolerant.
Timer 1 Schmitt-Trigger Input/Output
As an external event counter or in Measurement mode, TIO1 is input. In
Watchdog, Timer, or Pulse Modulation mode, TIO1 is output. The default
mode after reset is GPIO input. This can be changed to output or
configured as a Timer Input/Output through the Timer 1 Control/Status
Register (TCSR1). This input is 5 V tolerant.
Timer 2 Schmitt-Trigger Input/Output
As an external event counter or in Measurement mode, TIO2 is input. In
Watchdog, Timer, or Pulse Modulation mode, TIO2 is output. The default
mode after reset is GPIO input. This can be changed to output or
configured as a Timer Input/Output through the Timer 2 Control/Status
Register (TCSR2). This input is 5 V tolerant.
Signal Description
Timers
2-19
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