HD66420 Datasheet, PDF (15/52 Pages) Hitachi Semiconductor – (RAM-Provided 160 Channel 4-Level Grey Scale Driver for Dot Matrix Graphics LCD)

Table 2 Comparison between Master and Slave Modes
Item
Pin
M/S
OSC
CO
FLM, M, CL1
Registers
R0, R2 to R15
R1: BIS1, 0
R1: other
R16
Power supply circuit
Master Mode
Must be set high
Oscillation is active
Output
Output signals
Valid
Valid
Valid
Valid
Valid
HD66420
Slave Mode
Must be set low
Oscillation is active
High-Z
Input signals
Valid
Invalid
Valid
Invalid
Invalid
15