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参数资料
| 型号： | M34280E1FP |
| 厂商： | Mitsubishi Electric Corporation |
| 英文描述： | SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER for INFRARED REMOTE CONTROL TRANSMITTERS |
| 中文描述： | 单芯片4位CMOS微机红外遥控递质 |
| 文件页数： | 47/47页 |
| 文件大小： | 508K |
| 代理商： | M34280E1FP |
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MITSUBISHI
ELECTRIC
9
MITSUBISHI MICROCOMPUTERS
4280 Group
SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER for INFRARED REMOTE CONTROL TRANSMITTERS
Fig. 10 ROM map of M34280M1
PROGRAM MEMORY (ROM)
The program memory is a mask ROM. 1 word of ROM is
composed of 9 bits. ROM is separated every 128 words by the
unit of page (addresses 0 to 127).
Table 1 ROM size and pages
Fig. 11 RAM map
Page 2 (addresses 010016 to 017F16) is the special page for
subroutine calls. Subroutines written in this page can be called
from any page with the 1-word instruction (BM). Subroutines
extending from page 2 to another page can also be called with
the BM instruction when it starts on page 2.
ROM pattern of all addresses can be used as data areas with
the TABP p instruction.
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 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.
Product
M34280M1
M34280E1
ROM size (! 9 bits)
1024 words
Pages
8 (0 to 7)
Product
M34280M1
M34280E1
RAM size
32 words ! 4 bits (128 bits)
Table 2 RAM size
Register
Y
Register X
0
1
2
3
4
5
6
7
0 1
RAM 32 words
× 4 bits (128 bits)
23
32 words
0
876
54321
000016
008016
017F16
Subroutine special page
007F16
00FF16
010016
03FF16
018016
Page 1
Page 2
Page 0
Page 3
Page 7
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| M34280E1GP | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER for INFRARED REMOTE CONTROL TRANSMITTERS |
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| M34280M1-060FP | 制造商:MITSUBISHI 制造商全称:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER for INFRARED REMOTE CONTROL TRANSMITTERS |
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