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参数资料
| 型号： | M37221M8-XXXSP |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 8-BIT, MROM, 8.1 MHz, MICROCONTROLLER, PDIP42 |
| 封装： | 0.600 INCH, 1.78 MM PITCH, PLASTIC, SDIP-42 |
| 文件页数： | 30/114页 |
| 文件大小： | 1653K |
| 代理商： | M37221M8-XXXSP |
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21
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER
with ON-SCREEN DISPLAY CONTROLLER
M37221M4/M8/MA–XXXSP, M37221M6–XXXSP/FP
M37221EASP/FP
MITSUBISHI MICROCOMPUTERS
Rev. 1.0
Fig. 8.3.2 Interrupt Request Register 1
b7 b6 b5 b4 b3 b2 b1 b0
Interrupt request register 1 (IREQ1) [Address 00FC
BName
Functions
After reset RW
Interrupt Request Register 1
0
0 : No interrupt request issued
1 : Interrupt request issued
Timer 1 interrupt
request bit (TM1R)
1
Timer 2 interrupt
request bit (TM2R)
2
Timer 3 interrupt
request bit
(TM3R)
3
Timer 4 interrupt
request bit (TM4R)
4
OSD interrupt request
bit (CRTR)
5
VSYNC interrupt
request bit (VSCR)
6
Multi-master I2C-BUS interface
interrupt request bit (IICR)
7
0 : No interrupt request issued
1 : Interrupt request issued
0 : No interrupt request issued
1 : Interrupt request issued
0 : No interrupt request issued
1 : Interrupt request issued
0 : No interrupt request issued
1 : Interrupt request issued
0 : No interrupt request issued
1 : Interrupt request issued
0 : No interrupt request issued
1 : Interrupt request issued
0
0
0
0
0
0
0
: “0” can be set by software, but “1” cannot be set.
16
]
R
INT3 external interrupt
request bit (IT3R)
0 : No interrupt request issued
1 : Interrupt request issued
Fig. 8.3.3 Interrupt Request Register 2
b7b6 b5 b4b3 b2 b1 b0
Interrupt request register 2 (IREQ2) [Address 00FD
BName
Functions
After reset RW
Interrupt Request Register 2
0
INT1 external interrupt
request bit (IT1R)
0 : No interrupt request issued
1 : Interrupt request issued
1
INT2 external interrupt
request bit (IT2R)
2
Serial I/O interrupt
request bit (S1R)
3
4
f(XIN)/4096 interrupt
request bit (MSR)
5, 6
7
Fix this bit to “0.”
0 : No interrupt request issued
1 : Interrupt request issued
0 : No interrupt request issued
1 : Interrupt request issued
0
: “0” can be set by software, but “1” cannot be set.
0
0
0
0
0 : No interrupt request issued
1 : Interrupt request issued
16
]
R
R —
R W
0
Nothing is assigned. These bits are write disable bits.
When these bits are read out, the values are “0.”
0R —
Nothing is assigned. This bit is a write disable bit.
When this bit is read out, the value is “0.”
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相关代理商/技术参数 |
参数描述 |
|---|---|
| M37221MAH-XXXFP | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER with ON-SCREEN DISPLAY CONTROLLER |
| M37221MAH-XXXSP | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER with ON-SCREEN DISPLAY CONTROLLER |
| M37224M3 | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER with ON-SCREEN DISPLAY CONTROLLER |
| M37224M3-050SP | 制造商:MITSUBISHI 制造商全称:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER with ON-SCREEN DISPLAY CONTROLLER |
| M37224M3-XXXSP | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER with ON-SCREEN DISPLAY CONTROLLER |
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