S1D13705 Epson Electronics America, Inc., S1D13705 Datasheet - Page 90

• Manufacturer Part Number: S1D13705
• Description: S1d13705 Embedded Memory Lcd Controller
• Manufacturer: Epson Electronics America, Inc.

Page 84
13.6 Clock Requirements
S1D13705
X27A-A-001-09
Look-Up Table Register
Hardware Power Save
Software Power Save
Register Read/Write
Memory Read/Write
Read/Write
Function
The following table shows what clock is required for which function in the S1D13705
Is required during register accesses. BCLK
can be shut down between accesses: allow
eight BCLK pulses plus 12 MCLK pulses
(8T
before shutting BCLK off. Allow one BCLK
pulse after starting up BCLK before the next
access
Is required during memory accesses. BCLK
can be shut down between accesses: allow
eight BCLK pulses plus 12 MCLK pulses
(8T
before shutting BCLK off. Allow one BCLK
pulse after starting up BCLK before the next
access
Is required during LUT register accesses.
BCLK can be shut down between accesses:
allow eight BCLK pulses plus 12 MCLK
pulses (8T
access before shutting BCLK off. Allow one
BCLK pulse after starting up BCLK before
the next access
Table 13-5: S1D13705 Internal Clock Requirements
BCLK
BCLK
+ 12T
+ 12T
BCLK
MCLK
MCLK
Not Required
+ 12T
Required
BCLK
) after the last access
) after the last access
MCLK
) after the last
Can be stopped after 128 frames from
entering Software Power Save, i.e. after
REG[03h] bits 1-0 = 11
Can be stopped after 128 frames from
entering Hardware Power Save
Epson Research and Development
Not Required
Not Required
Hardware Functional Specification
Required
CLKI
Vancouver Design Center
Issue Date: 01/05/22