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参数资料
| 型号： | ADUC7121BBCZ |
| 厂商： | Analog Devices Inc |
| 文件页数： | 79/96页 |
| 文件大小： | 0K |
| 描述： | IC ARM7TDMI MCU 126KB 108CSPBGA |
| 标准包装： | 1 |
| 系列： | MicroConverter® ADuC7xxx |
| 核心处理器： | ARM7 |
| 芯体尺寸： | 16/32-位 |
| 速度： | 41.78MHz |
| 连通性： | I²C，SPI，UART/USART |
| 外围设备： | POR，PWM，WDT |
| 输入/输出数： | 32 |
| 程序存储器容量： | 126KB（63K x 16） |
| 程序存储器类型： | 闪存 |
| RAM 容量： | 8K x 8 |
| 电压 - 电源 (Vcc/Vdd)： | 3 V ~ 3.6 V |
| 数据转换器： | A/D 9x12b，D/A 4x12b |
| 振荡器型： | 内部 |
| 工作温度： | -10°C ~ 95°C |
| 封装/外壳： | 108-LFBGA，CSPBGA |
| 包装： | 托盘 |
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ADuC7121
Data Sheet
Rev. B | Page 80 of 96
Name:
IRQSIG
Address:
0xFFFF0004
Default value:
0x00000000
Access:
Read only
IRQEN Register
IRQEN provides the value of the current enable mask. When
a bit is set to 1, the corresponding source request is enabled
to create an IRQ exception. When a bit is set to 0, the corre-
sponding source request is disabled or masked, which does not
create an IRQ exception. The IRQEN register cannot be used to
disable an interrupt.
Name:
IRQEN
Address:
0xFFFF0008
Default value:
0x00000000
Access:
Read and write
IRQCLR Register
IRQCLR is a write-only register that allows the IRQEN register
to clear to mask an interrupt source. Each bit that is set to 1
clears the corresponding bit in the IRQEN register without
affecting the remaining bits. The pair of registers, IRQEN and
IRQCLR, allows independent manipulation of the enable mask
without requiring an atomic read-modify-write.
Use this register to disable an interrupt source only when:
The device is in the interrupt sources interrupt service
routine.
The peripheral is temporarily disabled by its own control
register.
Do not use the IRQCLR to disable an IRQ source if that IRQ
source has an interrupt pending or could have an interrupt
pending.
Name:
IRQCLR
Address:
0xFFFF000C
Default value:
0x00000000
Access:
Write only
IRQSTA Register
IRQSTA is a read-only register that provides the current enabled
IRQ source status (effectively a logic AND of the IRQSIG and
IRQEN bits). When set to 1, that source generates an active IRQ
request to the ARM7TDMI core. There is no priority encoder
or interrupt vector generation. This function is implemented in
software in a common interrupt handler routine.
Name:
IRQSTA
Address:
0xFFFF0000
Default value:
0x00000000
Access:
Read only
FAST INTERRUPT REQUEST (FIQ)
The fast interrupt request (FIQ) is the exception signal to enter
the FIQ mode of the processor. It is provided to service data
transfer or communication channel tasks with low latency. The
FIQ interface is identical to the IRQ interface and provides the
second level interrupt (highest priority). Four 32-bit registers
are dedicated to FIQ: FIQSIG, FIQEN, FIQCLR, and FIQSTA.
Bit 31 to Bit 1 of FIQSTA are logically OR’ed to create the FIQ
signal to the core and to Bit 0 of both the FIQ and IRQ registers
(FIQ source).
The logic for FIQEN and FIQCLR does not allow an interrupt
source to be enabled in both IRQ and FIQ masks. A bit set to 1
in FIQEN clears, as a side effect, the same bit in IRQEN. Likewise,
a bit set to 1 in IRQEN clears, as a side effect, the same bit in
FIQEN. An interrupt source can be disabled in both IRQEN
and FIQEN masks.
FIQSIG Register
FIQSIG reflects the status of the different FIQ sources. If a
peripheral generates an FIQ signal the corresponding bit in
the FIQSIG is set, otherwise it is cleared. The FIQSIG bits are
cleared when the interrupt in the particular peripheral is
cleared. All FIQ sources can be masked in the FIQEN MMR.
FIQSIG is read only.
Name:
FIQSIG
Address:
0xFFFF0104
Default value:
0x00000000
Access:
Read only
FIQEN Register
FIQEN provides the value of the current enable mask. When a
bit is set to 1, the corresponding source request is enabled
to create an FIQ exception. When a bit is set to 0, the corre-
sponding source request is disabled or masked, which does not
create an FIQ exception. The FIQEN register cannot be used to
disable an interrupt.
FIQEN Register
Name:
FIQEN
Address:
0xFFFF0108
Default value:
0x00000000
Access:
Read and write
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ADUC7121BBCZ-RL | 功能描述:PRECISION ANALOG MCU I.C RoHS:是 类别:集成电路 (IC) >> 嵌入式 - 微控制器， 系列:MicroConverter® ADuC7xxx 标准包装:38 系列:Encore!® XP® 核心处理器:eZ8 芯体尺寸:8-位 速度:5MHz 连通性:IrDA，UART/USART 外围设备:欠压检测/复位，LED，POR，PWM，WDT 输入/输出数:16 程序存储器容量:4KB（4K x 8） 程序存储器类型:闪存 EEPROM 大小:- RAM 容量:1K x 8 电压 - 电源 (Vcc/Vdd):2.7 V ~ 3.6 V 数据转换器:- 振荡器型:内部 工作温度:-40°C ~ 105°C 封装/外壳:20-SOIC（0.295"，7.50mm 宽） 包装:管件 其它名称:269-4116Z8F0413SH005EG-ND |
| ADUC7122 | 制造商:AD 制造商全称:Analog Devices 功能描述:Precision Analog Microcontroller, 12-Bit Analog I/O, ARM7TDMI? MCU |
| ADUC7122BBCZ | 功能描述:IC ARM7TDMI MCU 126KB 108CSPBGA RoHS:是 类别:集成电路 (IC) >> 嵌入式 - 微控制器， 系列:MicroConverter® ADuC7xxx 标准包装:250 系列:56F8xxx 核心处理器:56800E 芯体尺寸:16-位 速度:60MHz 连通性:CAN，SCI，SPI 外围设备:POR，PWM，温度传感器，WDT 输入/输出数:21 程序存储器容量:40KB（20K x 16） 程序存储器类型:闪存 EEPROM 大小:- RAM 容量:6K x 16 电压 - 电源 (Vcc/Vdd):2.25 V ~ 3.6 V 数据转换器:A/D 6x12b 振荡器型:内部 工作温度:-40°C ~ 125°C 封装/外壳:48-LQFP 包装:托盘 配用:MC56F8323EVME-ND - BOARD EVALUATION MC56F8323 |
| ADUC7122BBCZ-RL | 功能描述:PRECISION ANALOG MCU I.C RoHS:是 类别:集成电路 (IC) >> 嵌入式 - 微控制器， 系列:MicroConverter® ADuC7xxx 标准包装:38 系列:Encore!® XP® 核心处理器:eZ8 芯体尺寸:8-位 速度:5MHz 连通性:IrDA，UART/USART 外围设备:欠压检测/复位，LED，POR，PWM，WDT 输入/输出数:16 程序存储器容量:4KB（4K x 8） 程序存储器类型:闪存 EEPROM 大小:- RAM 容量:1K x 8 电压 - 电源 (Vcc/Vdd):2.7 V ~ 3.6 V 数据转换器:- 振荡器型:内部 工作温度:-40°C ~ 105°C 封装/外壳:20-SOIC（0.295"，7.50mm 宽） 包装:管件 其它名称:269-4116Z8F0413SH005EG-ND |
| ADUC7124 | 制造商:AD 制造商全称:Analog Devices 功能描述:Precision Analog Microcontroller, 12-Bit Analog I/O, Large Memory, ARM7TDMI MCU with Enhanced IRQ Handler |
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