TDA5231XT Infineon Technologies, TDA5231XT Datasheet - Page 54
TDA5231XT
Manufacturer Part Number
TDA5231XT
Description
Manufacturer
Infineon Technologies
Datasheet
1.TDA5231XT.pdf
(186 pages)
Specifications of TDA5231XT
Operating Temperature (min)
-40C
Operating Temperature (max)
105C
Operating Temperature Classification
Industrial
Product Depth (mm)
4.4mm
Product Length (mm)
9.7mm
Lead Free Status / Rohs Status
Compliant
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TDA523x
Functional Description
2.4.6
Polling Timer Unit
SPM
SPM
SPM
f
/ 64
f
f
sys
RT
OnOff
Reference-Timer
On-Off-Timer
Active-Idle Period Timer
(8 Bit)
(14 Bit)
(7 Bit)
Self-Polling-Mode (SPM)
No WU
FSM
Polling Mode
to
Master-Control-Unit
Figure 23
Polling Timer Unit
The Polling Timer Unit consists of a Counter Stage and a Control FSM (Finite State
Machine).
The Counter Stage is divided into three sub-modules.
The Reference Timer is used to divide the state machine clock (fsys/64) into the slower
clock required for the SPM timers.
The On/Off Timer and the Active Idle Period Timer are used to generate the polling
signal. The whole unit is controlled by the SPM FSM.
Data Sheet
50
Version 4.0, 2007-06-01
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