Data Arrangement In Memory - Renesas R8C/Tiny Series Software Manual

Chapter 1 Overview

1.8.2 Data Arrangement in Memory

Figure 1.8.2 shows the data arrangement in memory. Figure 1.8.3 shows some operation examples.
N
N+1
N+2
N+3
N
N+1
N+2
N+3
Figure 1.8.2 Data Arrangement in Memory
MOV.B N,R0H
N
N+1
N+2
N+3
Byte (8-bit) data
MOV.W N,R0
N
N+1
N+2
N+3
Word (16-bit) data
Figure 1.8.3 Operation Examples
Rev.2.00 Oct 17, 2005
REJ09B0001-0200
b7 b0
DATA
Byte (8-bit) data
b7 b0
DATA(L)
DATA(M)
DATA(H)
20-bit (Address) data
b7 b0
DATA
b7 b0
DATA(L)
DATA(H)
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N
N+1
N+2
N+3
N
N+1
N+2
N+3
b15
R0 DATA
H
b15
R0
DATA(H)
H
1.8 Data Arrangement
b7 b0
DATA(L)
DATA(H)
Word (16-bit) data
b7 b0
DATA(LL)
DATA(LH)
DATA(HL)
DATA(HH)
Long Word (32-bit) data
Does not change.
L
DATA(L)
L
b0
b0