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參數(shù)資料
| 型號： | M37702M2AXXXFP |
| 廠商： | Mitsubishi Electric Corporation |
| 英文描述： | SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
| 中文描述： | 單片16位CMOS微機(jī) |
| 文件頁數(shù)： | 5/59頁 |
| 文件大?。?/td> | 811K |
| 代理商： | M37702M2AXXXFP |
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5
MITSUBISHI MICROCOMPUTERS
M37702M2AXXXFP, M37702M2BXXXFP
M37702S1AFP, M37702S1BFP
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
BASIC FUNCTION BLOCKS
The M37702M2AXXXFP contains the following devices on a
single chip: ROM and RAM for storing instructions and data, CPU
for processing, bus interface unit (which controls instruction
prefetch and data read/write between CPU and memory), timers,
UART, A-D converter, and other peripheral devices such as I/O
ports. Each of these devices are described below.
MEMORY
The memory map is shown in Figure 1. The address space is 16
M bytes from addresses 0
16
to FFFFFF
16
. The address space is
divided into 64 K bytes units called banks. The banks are num-
bered from 0
16
to FF
16
.
Built-in ROM, RAM and control registers for built-in peripheral de-
vices are assigned to bank 0
16
.
The 16 K bytes area from addresses C000
16
to FFFF
16
is the
built-in ROM. Addresses FFD6
16
to FFFF
16
are the RESET and
interrupt vector addresses and contain the interrupt vectors. Refer
to the section on interrupts for details.
The 512 bytes area from addresses 80
16
to 27F
16
contains the
built-in RAM. In addition to storing data, the RAM is used as stack
during a subroutine call, or interrupts.
Assigned to addresses 0
16
to 7F
16
are peripheral devices such as
I/O ports, A-D converter, UART, timer, and interrupt control regis-
ters.
A 256 bytes direct page area can be allocated anywhere in bank
0
16
using the direct page register DPR. In direct page addressing
mode, the memory in the direct page area can be accessed with
two words thus reducing program steps.
Fig. 1 Memory map
A-D conversion
Timer B2
Timer B1
Timer B0
Timer A4
Timer A3
Timer A2
Timer A1
Timer A0
INT
2
INT
0
Watchdog timer
DBC
BRK instruction
Zero divide
RESET
Peripheral devices
control registers
see Fig. 2 for
further information
Interrupt vector table
000000
16
00FFFF
16
010000
16
01FFFF
16
Bank 0
16
Bank 1
16
FE0000
16
FEFFFF
16
FF0000
16
FFFFFF
16
Bank FF
16
Bank FE
16
00FFFF
16
00FFD6
16
00027F
16
000000
16
00007F
16
000080
16
Internal RAM
512 bytes
00FFFE
16
00FFD6
16
00007F
16
000000
16
UART1 transmission
UART1 receive
UART0 transmission
UART0 receive
INT
1
00C000
16
Internal ROM
16K bytes
相關(guān)PDF資料 |
PDF描述 |
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| M37702M2A-278FP | SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
| M37702M2A-XXXFP | DIODE SCHOTTKY DUAL SERIES 50V 150mW 0.41V-vf 70mA-IFM 1mA-IF 0.1uA-IR SOT-523 3K/REEL |
| M37702M2B-XXXFP | SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
| M37702M2BXXXFP | SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
| M37702M2L-249HP | SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M37702M2A-XXXFP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
| M37702M2BXXXFP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
| M37702M2B-XXXFP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
| M37702M2L | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
| M37702M2L249HP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
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