M34513E4SP/FP 查看數據表（PDF） - Renesas Electronics
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M34513E4SP/FP Datasheet PDF : 97 Pages
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MITSUBISHI MICROCOMPUTERS
4513/4514 Group
SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER
DATA MEMORY (RAM)
1 word of RAM is composed of 4 bits, but 1-bit manipulation (with
the SB j, RB j, and SZB j instructions) is enabled for the entire
memory area. A RAM address is specified by a data pointer. The
data pointer consists of registers Z, X, and Y. Set a value to the
data pointer certainly when executing an instruction to access
RAM.
Table 2 shows the RAM size. Figure 12 shows the RAM map.
Table 2 RAM size
Product
M34513M2
M34513M4/E4
M34513M6
M34513M8/E8
M34514M6
M34514M8/E8
RAM size
128 words ✕ 4 bits (512 bits)
256 words ✕ 4 bits (1024 bits)
384 words ✕ 4 bits (1536 bits)
384 words ✕ 4 bits (1536 bits)
384 words ✕ 4 bits (1536 bits)
384 words ✕ 4 bits (1536 bits)
RAM 384 words ✕ 4 bits (1536 bits)
Register Z
0
Register X 0 1 2 3 4 5 6 7
0
1
2
3
4
5
6
7
8
9
10
11
12
13
M34513M6
14
M34513M8/E8
15
M34514M6 Z=0, X=0 to 15
M34514M8/E8 Z=1, X=0 to 7
M34513M4/E4 Z=0, X=0 to 15
1
15 0 1 2 3 4 5 6 7
256 words
384 words
M34513M2 Z=0, X=0 to 7
128 words
Fig. 12 RAM map
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