PCA8538UG(2014) 查看數據表（PDF） - NXP Semiconductors.
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PCA8538UG Datasheet PDF : 107 Pages
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NXP Semiconductors
PCA8538
Automotive 102 x 9 Chip-On-Glass LCD segment driver
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Fig 23. Example of segmented temperature coefficients
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The temperature regions are determined by programming the temperature limits T1 to T4
via the TC-set-1 to TC-set-4 commands (see Section 8.4.2 on page 16). The temperature
coefficients can be selected from a choice of eight different slopes. Each one of theses
coefficients is independently selected via the TC-slope command (see Section 8.4.3 on
page 17).
Table 33. Temperature regions
T1T[2:0] to
T4T[2:0]
Temperature region 1 and 2
T1, T2 (C)
Corresponding
TD value[1]
000
34
10
001
27
20
010
21
30
011
15
40
100
9
50
101
2
60
110
+4
70
111
+10
80
Temperature region 3 and 4
T3, T4 (C)
Corresponding
TD value[1]
+29
110
+38
124
+47
138
+55
152
+64
166
+73
180
+82
194
+91
208
[1] The relation between the actual temperature and TD[7:0] is derived from Equation 3 on page 38.
Remark: The programming has to be made such that T1 < T2 and T3 < T4 otherwise the
VLCD temperature compensation will not be executed.
PCA8538
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 4 — 26 September 2014
© NXP Semiconductors N.V. 2014. All rights reserved.
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