HD64F3437TF16 Datasheet, PDF (709/752 Pages) Hitachi Semiconductor – 12 V must not be applied to the S-mask model (single-power-supply specification), as this may permanently damage the device.

STR1—Status Register 1
H'F6
HIF
Bit
7
6
5
4
3
2
1
0
DBU DBU DBU DBU C/D DBU
IBF
OBF
Initial value
0
0
0
0
0
0
0
0
Host Read/Write R
R
R
R
R
R
R
R
Slave Read/Write R/W
R/W
R/W
R/W
R
R/W
R
R
Output Buffer Full
0 Host has read ODR1
1 Slave has written to ODR1
Input Buffer Full
0 Slave has read IDR1
1 Host has written to IDR1
Defined By User
Command/Data
0 IDR1 contains data
1 IDR1 contains a command
Defined By User
DADR0—D/A Data Register 0
H'F8
D/A
Bit
7
6
5
4
3
2
1
0
Initial value
Read/Write
0
0
0
0
0
0
0
0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Data to be converted
680