Datasheet

Section 2 CPU
Rev.6.00 Sep. 27, 2007 Page 45 of 1268
REJ09B0220-0600
2.5.1 General Register Data Formats
Figure 2.7 shows the data formats in general registers.
7 6 5 4 3 2 1 0 Don’t care
70
Don’t care 76543210
43
70
70
Don’t careUpper Lower
LSB
MSB LSB
Data Type Register Number Data Format
1-bit data
1-bit data
4-bit BCD data
4-bit BCD data
Byte data
Byte data
RnH
RnL
RnH
RnL
RnH
RnL
MSB
Don’t care
Upper
Lower
43
70
Don’t care
70
Don’t care
70
Figure 2.7 General Register Data Formats