2. CPU
Rev.3.00 Jul. 19, 2007 page 28 of 532
REJ09B0397-0300
2.1.2 Address
Space
The H8/300L CPU supports an address space of up to 64 kbytes for storing program code and
data.
See section 2.8, Memory Map, for details of the memory map.
2.1.3 Register
Configuration
Figure 2.1 shows the register structure of the H8/300L CPU. There are two groups of registers: the
general registers and control registers.
7
0 7
0
15
0
PC
R0H
R1H
R2H
R3H
R4H
R5H
R6H
R7H
R0L
R1L
R2L
R3L
R4L
R5L
R6L
R7L
(SP)
SP: Stack Pointer
PC: Program Counter
CCR: Condition Code Register
Carry flag
Overflow flag
Zero flag
Negative flag
Half-carry flag
Interrupt mask bit
User bit
User bit
CCR
I U H U N Z V C
General registers (Rn)
Control registers (CR)
7
5
3 2 1 0
6
4
Figure 2.1 CPU Registers
Содержание F-ZTAT H8 Series
Страница 6: ...Rev 3 00 Jul 19 2007 page iv of xxiv REJ09B0397 0300...
Страница 194: ...7 RAM Rev 3 00 Jul 19 2007 page 168 of 532 REJ09B0397 0300...
Страница 234: ...8 I O Ports Rev 3 00 Jul 19 2007 page 208 of 532 REJ09B0397 0300...
Страница 274: ...9 Timers Rev 3 00 Jul 19 2007 page 248 of 532 REJ09B0397 0300...
Страница 352: ...12 A D Converter Rev 3 00 Jul 19 2007 page 326 of 532 REJ09B0397 0300...
Страница 466: ...16 Electrical Characteristics H8 3854 Group Rev 3 00 Jul 19 2007 page 440 of 532 REJ09B0397 0300...
Страница 561: ......