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HD404449 Datasheet, PDF (52/123 Pages) Hitachi Semiconductor – HD404449 SERIES
HD404449 Series
Serial mode register 1A (SM1A: $005)
Bit
Initial value
Read/Write
Bit name
3
0
W
SM1A3
2
0
W
SM1A2
1
0
W
SM1A1
0
0
W
SM1A0
R41/SCK1
SM1A3 mode selection
0
R41
1
SCK1
SM1A2 SM1A1 SM1A0 SCK1 Clock source
0
0
0 Output Prescaler
Prescaler
division
ratio
÷2048
1 Output Prescaler
÷512
1
0 Output Prescaler
÷128
1 Output Prescaler
÷32
1
0
0 Output Prescaler
÷8
1 Output Prescaler
÷2
1
0 Output System clock —
1 Input External clock —
Figure 35 Serial Mode Register 1A (SM1A)
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