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ST18952 Datasheet(PDF) 33 Page - STMicroelectronics

Part # ST18952
Description  DIGITAL SIGNAL PROCESSOR DSP CHIP
PDF  67 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST18952 Datasheet(HTML) 33 Page - STMicroelectronics

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ST18952
TSVR contains the data to be transferred to the TCVR current value register when:
1: TEN = ‘1’ (TIM enable)
TLE = ‘1’ (TIM load enable)
TCVR = TEVR (count period finished)
TCS = ‘1’ (stop mode disabled).
2: First counting clock rising edge after timer start (timer starts on rising edge of
TEN ).???
TEVR0-1: Timer end value register
(Address = 005A/005E, Reset value = 0000 h, Read/Write))
TEVR contains the data to be compared to the TCVR current value register.
TCVR0-1: Timer current value register
(Address = 005B/005F, Reset value = 0000 h, Read only)
TCVR contains the current counting value. When TCVR = TEVR, the TCVR content is
changed according to Table 9.1. The TCVR clock is derived from internal MCLK clock
according to TFP bits when TCM = ‘0’ or is equal to external ECLK clock when TCM = ‘1’.
Note:
Timers external clocks are not directly user accessible. They are connected to INCYCLE.
15
14
13
12
11
10
9876
54
3210
TEV
15
TEV
14
TEV
13
TEV
12
TEV
11
TEV
10
TEV
9
TEV
8
TEV
7
TEV
6
TEV
5
TEV
4
TEV
3
TEV
2
TEV
1
TEV
0
Bit
Function
TEV(15:0)
Timer end value (bits15-0 - TEV(15) = msb
15
14
13
12
11
10
9876
54
3210
TCV
15
TCV
14
TCV
13
TCV
12
TCV
11
TCV
10
TCV
9
TCV
8
TCV
7
TCV
6
TCV
5
TCV
4
TCV
3
TCV
2
TCV
1
TCV
0
Bit
Function
TCV(15:0)
Timer current value (bits15-0 - TCV(15) = msb)



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