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SM5K3 Fiches technique(PDF) 10 Page - Sharp Corporation

No de pièce SM5K3
Description  4-Bit Single-Chip Microcomputers(Controllers With 10-Bit A/D Converter)
PDF  28 Pages
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Fabricant  SHARP [Sharp Corporation]
Site Internet  http://sharp-world.com/
Logo SHARP - Sharp Corporation

SM5K3 Fiches technique(HTML) 10 Page - Sharp Corporation

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SM5K3/SM5K4/SM5K5
- 10 -
Data Memory (RAM)
The data memory (RAM) is used to store data up
to 4 x 16 x 8 = 512 bits.
Fig. 3
B Register and SB Register
File
(0-7)
BM
BL
0
1
2
3
4
5
6
7
0
1
2
3
456
78
9
A
B
C
D
E
F
Word (0-FH)
1 word = 4-bit
Fig. 4
RAM File and Word
B Register and SB Register
• B register (BM, BL)
The B register is an 8-bit register that is used to
specify the RAM address. The upper 4-bit section
is called BM register and lower 4-bit BL.
• SB register
The SB register is an 8-bit register used as the
save register for the B register. The contents of B
register and SB register can be exchanged through
EX instruction.
7
3
0
0
03
EX instruction (swap)
SB register
BM register
B register
BL register



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