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参数资料
| 型号： | M37545G4-XXXGP |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 8-BIT, MROM, 4 MHz, MICROCONTROLLER, PQFP32 |
| 封装： | 7 X 7 MM, 0.80 MM PITCH, PLASTIC, LQFP-32 |
| 文件页数： | 15/65页 |
| 文件大小： | 782K |
| 代理商： | M37545G4-XXXGP |
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Rev.1.07
Mar 19, 2009
Page 20 of 60
REJ03B0140-0107
7545 Group
Interrupts
The 7545 group interrupts are vector interrupts with a fixed
priority scheme, and generated by 7 sources 3 external, 3
internal, and 1 software.
The interrupt sources, vector addresses(1), and interrupt priority
are shown in Table 9.
Each interrupt except the BRK instruction interrupt has the
interrupt request bit and the interrupt enable bit. These bits and
the interrupt disable flag (I flag) control the acceptance of
interrupt requests. Figure 16 shows an interrupt control diagram.
An interrupt requests is accepted when all of the following
conditions are satisfied:
Interrupt disable flag ................................ “0”
Interrupt request bit .................................. “1”
Interrupt enable bit ................................... “1”
Though the interrupt priority is determined by hardware, priority
processing can be performed by software using the above bits
and flag.
NOTES:
1. Vector addressed contain interrupt jump destination addresses.
2. Reset function in the same way as an interrupt with the highest priority.
Table 9
Interrupt vector address and priority
Interrupt source
Priority
Vector addresses(1)
Interrupt request generating conditions
Remarks
High-
order
Low-
order
Reset (2)
1FFFD16
FFFC16
At reset input
Non-maskable
Key-on wakeup
2
FFFB16
FFFA16
AND operation of input logic level of port P0 (input) External interrupt
INT0
3
FFF916
FFF816
At detection of either rising or falling edge of INT0
input
External interrupt
(active edge selectable)
INT1
4
FFF716
FFF616
At detection of either rising or falling edge of INT1
input
External interrupt
(active edge selectable)
Timer 2
5
FFF516
FFF416
At timer 2 underflow
Timer 3
6
FFF316
FFF216
At timer 3 underflow
Timer 1
7
FFF116
FFF016
At timer 1 underflow
STP release timer underflow
BRK instruction
8
FFDD16
FFDC16
At BRK instruction execution
Non-maskable software interrupt
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相关代理商/技术参数 |
参数描述 |
|---|---|
| M37545G6GP | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
| M37545G6GP#U0 | 功能描述:MCU 3/5V 24K 32-LQFP QZ-ROM RoHS:是 类别:集成电路 (IC) >> 嵌入式 - 微控制器， 系列:740/38000 标准包装:250 系列:80C 核心处理器:8051 芯体尺寸:8-位 速度:16MHz 连通性:EBI/EMI，I²C，UART/USART 外围设备:POR，PWM，WDT 输入/输出数:40 程序存储器容量:- 程序存储器类型:ROMless EEPROM 大小:- RAM 容量:256 x 8 电压 - 电源 (Vcc/Vdd):4.5 V ~ 5.5 V 数据转换器:A/D 8x10b 振荡器型:内部 工作温度:-40°C ~ 85°C 封装/外壳:68-LCC（J 形引线） 包装:带卷 (TR) |
| M37545G6KP | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
| M37545G6-XXXGP | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
| M37545G8GP | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
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