Hardware manual

Rev. 3.0, 09/98, page 26 of 361
2.4.1 Data Formats in General Registers
Data of all the sizes above can be stored in general registers as shown in figure 2.3.
7RnH1-Bit data
Data type Register No. Data format
6543210
70
don't care
7RnL1-Bit data 6543210
70
don't care
MSBRnHByte data LSB
70
don't care
MSBRnLByte data LSB
70
don't care
MSBRnWord data LSB
15 0
Upper digitRnH4-Bit BCD data Lower digit
7430
7430
don't care
RnL4-Bit BCD data Upper digit Lower digitdon't care
RnH
RnL
MSB
LSB
Legend
Upper digit of general register
Lower digit of general register
Most significant bit
Least significant bit it
Figure 2.3 Register Data Formats