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| 型号： | ADUC7121BBCZ |
| 厂商： | Analog Devices Inc |
| 文件页数： | 65/96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 68 of 96
I2C Slave Status Registers
These 16-bit MMRs are the I2C status registers in slave mode.
Name:
I2C0SSTA, I2C1SSTA
Address:
0xFFFF08AC, 0xFFFF092C
Default value:
0x0000, 0x0000
Access:
Read and write
Table 97. I2CxSSTA MMR Bit Designations
Bit
Name
Description
15
Reserved bit.
14
I2CSTA
This bit is set to 1 if:
A start condition followed by a matching address is detected.
A start byte (0x01) is received.
General calls are enabled and a general call code of (0x00) is received.
This bit is cleared on receiving a stop condition.
13
I2CREPS
This bit is set to 1 if a repeated start condition is detected.
This bit is cleared on receiving a stop condition.
12:11
I2CID[1:0]
I2C address matching register. These bits indicate which I2CxIDx register matches the received address.
[00] = Received address matches I2CxID0.
[01] = Received address matches I2CxID1.
[10] = Received address matches I2CxID2.
[11] = Received address matches I2CxID3.
10
I2CSS
I2C stop condition after start detected bit.
This bit is set to 1 when a stop condition is detected after a previous start and matching address. When the I2CSSENI
bit in I2CxSCTL is set, an interrupt is generated.
This bit is cleared by reading this register.
9:8
I2CGCID[1:0]
I2C general call ID bits.
[00] = no general call received.
[01] = general call reset and program address.
[10] = general program address.
[11] = general call matching alternative ID.
Clear these bits by writing a 1 to the I2CGCCLR bit in I2CxSCTL. Note that these bits are not cleared by a general call
reset command.
7
I2CGC
I2C general call status bit.
This bit is set to 1 if the slave receives a general call command of any type. If the command received was a reset
command, all registers return to their default state. If the command received was a hardware general call, the Rx
FIFO holds the second byte of the command and this can be compared with the I2CxALT register.
Clear this bit by writing a 1 to the I2CGCCLR bit in I2CxSCTL.
6
I2CSBUSY
I2C slave busy status bit.
Set to 1 when the slave receives a start condition.
Cleared by hardware under the following conditions:
The received address does not match any of the I2CxIDx registers.
The slave device receives a stop condition.
A repeated start address does not match any of the I2CxIDx registers.
5
I2CSNA
I2C slave no acknowledge data bit.
This bit sets to 1 when the slave responds to a bus address with a no acknowledge. This bit is asserted under the
following conditions:
If no acknowledge was returned because there was no data in the Tx FIFO.
If the I2CNACKEN bit was set in the I2CxSCTL register.
This bit is cleared in all other conditions.
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相关代理商/技术参数 |
参数描述 |
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| 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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