Chapter 1 Hardware Structure
Note
1. For the HT49R30A-1/HT49C30-1, HT49R50A-1/HT49C50-1, HT49R70A-1/HT49C70-1 and
HT49RU80/HT49CU80 devices, VA=VLCD, VB=VLCD´1/2 for both R and C type.
2. For the HT49C30L, HT49C50L and HT49C70L devices, VA=2V2, VB=V2, only C type bias is
applicable.
D u r in g R e s e t o r in H A L T M o d e
C O M 0 , C O M 1
A ll s e g m e n t o u tp u ts
N o r m a l O p e r a tio n M o d e
C O M 0
C O M 1
A ll s e g m e n ts O F F
C O M 0 s e g m e n ts O N
C O M 1 s e g m e n ts O N
A ll s e g m e n ts O N
1 F ra m e
V B
V S S
V A
V B
V S S
V A
V B
V S S
V A
V B
V S S
V A
V B
V S S
V B
V S S
V B
V S S
V A
V B
V S S
V A
V A
V A
LCD Driver Output (1/2 Duty, 1/2 Bias)
Note
1. For the HT49R30A-1/HT49C30-1, HT49R50A-1/HT49C50-1, HT49R70A-1/HT49C70-1 and
HT49RU80/HT49CU80 devices, VA=VLCD, VB=VLCD´1/2 for both R and C type.
2. For the HT49C30L, HT49C50L and HT49C70L devices, VA=2V2, VB=V2, only C type bias is
applicable.
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