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THCV231 Datasheet(PDF) 11 Page - THine Electronics, Inc.

Part # THCV231
Description  The THCV231 and THCV236 are designed to support video data transmission between the host and display.
PDF  56 Pages
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Manufacturer  THINE [THine Electronics, Inc.]
Direct Link  http://www.thine.co.jp/index_e.html
Logo THINE - THine Electronics, Inc.

THCV231 Datasheet(HTML) 11 Page - THine Electronics, Inc.

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THCV231_THCV236_Rev.2.30_E
Copyright©2016 THine Electronics, Inc.
THine Electronics, Inc.
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Spread Spectrum Clock Generator (SSCG)
The THCV231 serial data output and the THCV236 parallel data and clock outputs are modulated by
programmable SSCG. The THCV231 and THCV236 SSCG are enabled by only SSEN register. The modulation
rate and modulation frequency variation of output spread is controlled through the SSCG control registers on
each device. Do not enable spread spectrum for both the THCV231 and THCV236 at the same time.
Table 6. SSCG enable signal
Mode Entry Signal
Description
SSEN(register)
0:SSCG Disable
1:SSCG Enable
When customer use the mode and frequency range shown in Table 7, register setting is required according to
Table 8.
Table 7. Main-Link mode and frequency range requiring register setting
Mode Setting
Freq.Range[MHz]
(SSCG Enable)
Register
Setting
(*2)
MAINMODE
HFSEL
COL1
COL0
min
max
1
0
0
0
26.6
40
Case1
1
0
0
1
26.6
50
Case1
1
0
1
0
33.3
66.6
Case2
1
1
(*1)
(*1)
50
100
Case3
*1 Don’t care
*2 See Table 8
Table 8. SSCG register setting
Step
Register Address(HEX)
Register Value(HEX)
Description
Sub-Link
Master side
Sub-Link
Slave side
Case1
Case2
Case3
THCV231
THCV236
1
0x70
0xF0
0x01
Set 1 to PLL_SET_EN
2
0x76
0xF6
0x02
0x02
0x01
Set PLL_SET0
3
0x78
0xF8
0x3C
0x30
0x20
Set PLL_SET1
4
0x7C
0xFC
0x35
0x34
0x24
Set PLL_SET2
Modulation frequency fmod can be determined by HFSEL and LFSEL settings, input clock frequency and
FMOD register setting (default value 0xD). Refer to following formula.
FMOD
f
f
CLKSSCG
128
mod
fCLKSSCG is the frequency listed in Table 9 and Table 10.



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