THCV235-Q_THCV236-Q_Rev.3.40_E
Copyright
©
2016 THine Electronics, Inc.
THine Electronics, Inc.
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Security E
When customer use the mode and frequency range shown in Table 10, register setting is required according to
Table 11.
Table 10.
Main-Link mode and frequency range requiring register setting
Mode Setting
Freq.Range[MHz]
(SSCG Enable)
Register
Setting
(*2)
MAINMODE HFSEL LFSEL COL1 COL0 min
max
0
0
0
(*1)
0
26.6 50
Case1
0
0
0
(*1)
1
33.3
66.6
Case2
0
1
0
(*1)
(*1)
50
100
Case3
1
0
0
0
0
26.6
40
Case1
1
0
0
0
1
26.6
50
Case1
1
0
0
1
0
33.3
66.6
Case2
1
1
0
(*1)
(*1)
50
100
Case3
*1 Don’t care
*2 See Table 11
Table 11.
SSCG register setting
Step
Register Address(HEX)
Register Value(HEX)
Description
Sub-Link
Master side
Sub-Link
Slave side
Case1
Case2
Case3
THCV235-Q
THCV236-Q
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 f
mod
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
f
CLKSSCG
is the frequency listed in Table 12 and Table 13.
Table 12.
f
CLKSSCG
(THCV235-Q)
HFSEL LFSEL
f
CLKSSCG
0
0
(1/tTCIP)/2
0
1
1/tTCIP
1
0
(1/tTCIP)/4
1
1
Forbidden
Setting
Table 13.
f
CLKSSCG
(THCV236-Q)
HFSEL LFSEL
f
CLKSSCG
0
0
(1/tRCP)/2
0
1
1/tRCP
1
0
(1/tRCP)/4
1
1
Forbidden
Setting
Up to 0.5 % spread at the 30kHz modulation frequency is stable for most cases. In case of using out of this
range, please verify at the actual system.