HD6433308 HITACHI [Hitachi Semiconductor], HD6433308 Datasheet - Page 48

• Manufacturer Part Number: HD6433308
• Description: Hitachi Single-Chip MicroComputer
• Manufacturer: HITACHI [Hitachi Semiconductor]

3.4.1 Data Formats in General Registers
Data of all the sizes above can be stored in general registers as shown in figure 3-3.
Note:
RnH: Upper digit of general register
RnL: Lower digit of general register
MSB: Most significant Bit
LSB: Least significant Bit
4-Bit BCD data
4-Bit BCD data
1-Bit data
1-Bit data
Byte data
Byte data
Data type
Word data
Figure 3-3. Register Data Formats
Register No.
RnH
RnL
RnH
Rn
RnH
RnL
RnL
32
15
Upper digit Lower digit
Data format
7 6 5 4 3 2 1 0
7
7
7
M
S
B
M
S
B
Don't-care
Don't-care
Don't-care
4 3
0
0
0
L
S
B
Upper digit Lower digit
7
7 6 5 4 3 2 1 0
7
7
M
S
B
Don't-care
Don't-care
Don't-care
4 3
0
0
0
0
L
S
B
L
S
B