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參數(shù)資料
| 型號： | M37902FGCHP |
| 廠商： | Mitsubishi Electric Corporation |
| 英文描述： | DIODE SCHOTTKY DUAL COMMON-ANODE 25V 150mW 0.32V-vf 200mA-IFM 1mA-IF 2uA-IR SOT-523 3K/REEL |
| 中文描述： | 單片16位CMOS微機 |
| 文件頁數(shù)： | 15/143頁 |
| 文件大小： | 1463K |
| 代理商： | M37902FGCHP |
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M37902FCCHP, M37902FGCHP, M37902FJCHP
15
MITSUBISHI MICROCOMPUTERS
SHINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
5. Index register length flag (x)
The index register length flag determines whether index register X
and index register Y are used as 16-bit registers or as 8-bit registers.
The registers are used as 16-bit registers when flag x is
“
0
”
and as 8-
bit registers when it is
“
1
”
.
This flag can be set and reset with the SEP and CLP instructions.
6. Data length flag (m)
The data length flag determines whether the data length is 16-bit or
8-bit. The data length is 16 bits when flag m is
“
0
”
and 8 bits when it
is
“
1
”
. This flag can be set and reset with the SEM and CLM instruc-
tions or with the SEP and CLP instructions.
7. Overflow flag (V)
The overflow flag is valid when addition or subtraction is performed
with a word treated as a signed binary number. If data length flag m
is
“
0
”
, the overflow flag is set when the result of addition or subtrac-
tion is outside the range between
–
32768 and +32767. If data length
flag m is
“
1
”
, the overflow flag is set when the result of addition or
subtraction is outside the range between
–
128 and +127. It is reset
in all other cases. The overflow flag can also be set and reset directly
with the SEP, and CLV or CLP instructions.
Additionally, the overflow flag is set when a result of unsigned/signed
division exceeds the length of the register where the result is to be
stored; the flag is also set when the addition result is outside range
of
–
2147483648 to +2147483647 in the RMPA operation.
8. Negative flag (N)
The negative flag is set when the result of arithmetic operation or
data transfer is negative (If data length flag m is
“
0
”
, data
’
s bit 15 is
“
1
”
. If data length flag m is
“
1
”
, data
’
s bit 7 is
“
1
”
.) It is reset in all other
cases. It can also be set and reset with the SEP and CLP instruc-
tions.
9. Processor interrupt priority level (IPL)
The processor interrupt priority level (IPL) consists of 3 bits and de-
termines the priority of processor interrupts from level 0 to level 7.
Interrupt is enabled when the interrupt priority of the device request-
ing interrupt (set using the interrupt control register) is higher than
the processor interrupt priority. When an interrupt is enabled, the cur-
rent processor interrupt priority level is saved in a stack and the pro-
cessor interrupt priority level is replaced by the interrupt priority level
of the device requesting the interrupt. Refer to the section on inter-
rupts for more details.
Note:
Fix bits 11 to 15 of the processor status register (PS) to
“
0
”
.
相關PDF資料 |
PDF描述 |
|---|---|
| M37902FJCHP | SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
| M37905F8CFP | 16-BIT CMOS MICROCOMPUTER |
| M37905F8CSP | 16-BIT CMOS MICROCOMPUTER |
| M37905M4C | DIODE SCHOTTKY DUAL COMMON-ANODE 25V 200mW 0.32V-vf 200mA-IFM 1mA-IF 2uA-IR SOT-323 3K/REEL |
| M37905M4C-XXXFP | 16 BIT CMOS MICROCOMPUTER |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| M37902FJCHP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
| M37903S4CHP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:16-BIT CMOS MICROCOMPUTER |
| M37905F8CFP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:16-BIT CMOS MICROCOMPUTER |
| M37905F8CSP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:16-BIT CMOS MICROCOMPUTER |
| M37905M4C | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:16 BIT CMOS MICROCOMPUTER |
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