HD6433935 Hitachi, HD6433935 Datasheet - Page 449

• Manufacturer Part Number: HD6433935
• Description: 8-Bit MICROCONTROLLER
• Manufacturer: Hitachi

SDRU—Serial data register U
SDRL—Serial data register L
Bit
Initial value
Read/Write
Bit
Initial value
Read/Write
Undefined
Undefined
SDRU7
SDRL7
R/W
R/W
7
7
Undefined
Undefined
SDRU6
SDRL6
R/W
R/W
6
6
Undefined
Undefined
SDRU5
Used for transmit data setting and receive data storage
8-bit transfer mode:
16-bit transfer mode: Lower 8 bits of data register
Used for transmit data setting and receive data storage
8-bit transfer mode:
16-bit transfer mode: Upper 8 bits of data register
SDRL5
R/W
R/W
5
5
Undefined
Undefined
SDRU4
SDRL4
R/W
R/W
4
4
Undefined
Undefined
SDRU3
SDRL3
R/W
R/W
Data register
3
Not used
3
Undefined
Undefined
SDRU2
H'A2
H'A3
SDRL2
R/W
R/W
2
2
Undefined
Undefined
SDRU1
SDRL1
R/W
R/W
1
1
Undefined
Undefined
SDRU0
SDRL0
R/W
R/W
0
0
SCI1
SCI1
437