HD404369 Datasheet, PDF (53/117 Pages) Hitachi Semiconductor – 4-bit HMCS400-Series microcomputer

Serial mode register (SMR: $005)
Bit
Initial value
Read/Write
Bit name
3
0
W
SMR3
2
0
W
SMR2
1
0
W
SMR1
0
0
W
SMR0
HD404369 Series
SMR3
0
1
R0₀/SCK
Mode Selection
R0₀
SCK
SMR2 SMR1 SMR0
Transmit clock selection.
Refer to figure 62 in the
serial interface section.
Figure 31 Serial Mode Register (SMR)
A/D mode register 1 (AMR1: $019)
Bit
Initial value
Read/Write
Bit name
3
0
W
AMR13
2
1
0
0
W
W
AMR12 AMR11
0
0
W
AMR10
AMR12
0
1
AMR13
0
1
R3₂/AN₂ Mode Selection
R3₂
AN₂
R3₃/AN₃ Mode Selection
R3₃
AN₃
AMR10
0
1
AMR11
0
1
R3₀/AN₀ Mode Selection
R3₀
AN₀
R3₁/AN₁ Mode Selection
R3₁
AN₁
Figure 32 A/D Mode Register 1 (AMR1)
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