Renesas F-ZTAT H8 Series Hardware Manual page 56

Section 2 CPU
General
Data Type Register
Word data Rn
Word data En
Longword data ERn
Legend:
ERn: General register
En: General register E
Rn: General register R
RnH: General register RH
RnL: General register RL
MSB: Most significant bit
LSB: Least significant bit
Rev. 3.00 Mar 21, 2006 page 28 of 814
REJ09B0302-0300
Data Format
15
MSB
31
MSB
Figure 2.6 General Register Data Formats (2)
15
MSB
0
LSB
16 15
0
LSB
0
LSB