參數(shù)資料
型號(hào)： M38203M4-417HPDR
廠商： Mitsubishi Electric Corporation
元件分類： DC/DC變換器
英文描述： 1 watt dc-dc converters
中文描述： 1瓦的DC - DC轉(zhuǎn)換器
文件頁數(shù)： 10/66頁
文件大?。?/td> 1093K
代理商： M38203M4-417HPDR
10
MITSUBISHI MICROCOMPUTERS
3820 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
FUNCTIONAL DESCRIPTION
Central Processing Unit (CPU)
The 3820 group uses the standard 740 family instruction set. Re-
fer to the table of 740 family addressing modes and machine in-
structions or the SERIES 740 <Software> User’s Manual for de-
tails on the instruction set.
Machine-resident 740 family instructions are as follows:
The FST and SLW instruction cannot be used.
The STP, WIT, MUL, and DIV instruction can be used.
CPU Mode Register
The CPU mode register is allocated at address 003B
16
.
The CPU mode register contains the stack page selection bit and
the internal system clock selection bit.
Fig. 1 Structure of CPU mode register
CPU mode register
(
CPUM (CM) : address
003B
16
)
7
0
Not available
Processor mode bits
b1 b0
0 0 : Single-chip mode
1 0 :
1 1 :
Not used (returns “1” when read)
(Do not switch bit
1 : X
CIN
, X
COUT
Main clock ( X
IN
–X
OUT
) stop bit
0 : Oscillating
Main clock division ratio selection bit
0 : f(X
IN
)/2 (high-speed mode)
IN
)/8 (middle-speed mode)
1 : f(X
IN
-X
OUT
selected (middle-/high-speed mode)
1 : X
CIN
-X
COUT
selected (low-speed mode)
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