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參數(shù)資料
| 型號： | ST72C104G2M6 |
| 英文描述： | 8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY. ADC. 16-BIT TIMERS. SPI. |
| 中文描述： | 8位單電壓閃存微控制器。 ADC的。 16位定時(shí)器。的SPI。 |
| 文件頁數(shù)： | 122/140頁 |
| 文件大小： | 1349K |
| 代理商： | ST72C104G2M6 |
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ST72104G, ST72215G, ST72216G, ST72254G
82/140
I2C BUS INTERFACE (Cont’d)
Bit 1 = M/SL
Master/Slave.
This bit is set by hardware as soon as the interface
is in Master mode (writing START=1). It is cleared
by hardware after detecting a Stop condition on
the bus or a loss of arbitration (ARLO=1). It is also
cleared when the interface is disabled (PE=0).
0: Slave mode
1: Master mode
Bit 0 = SB
Start bit (Master mode).
This bit is set by hardware as soon as the Start
condition
is
generated
(following
a
write
START=1). An interrupt is generated if ITE=1. It is
cleared by software reading SR1 register followed
by writing the address byte in DR register. It is also
cleared by hardware when the interface is disa-
bled (PE=0).
0: No Start condition
1: Start condition generated
I2C STATUS REGISTER 2 (SR2)
Read Only
Reset Value: 0000 0000 (00h)
Bit 7:5 = Reserved. Forced to 0 by hardware.
Bit 4 = AF
Acknowledge failure.
This bit is set by hardware when no acknowledge
is returned. An interrupt is generated if ITE=1. It is
cleared by software reading SR2 register or by
hardware when the interface is disabled (PE=0).
The SCL line is not held low while AF=1.
0: No acknowledge failure
1: Acknowledge failure
Bit 3 = STOPF
Stop detection (Slave mode).
This bit is set by hardware when a Stop condition
is detected on the bus after an acknowledge (if
ACK=1). An interrupt is generated if ITE=1. It is
cleared by software reading SR2 register or by
hardware when the interface is disabled (PE=0).
The SCL line is not held low while STOPF=1.
0: No Stop condition detected
1: Stop condition detected
Bit 2 = ARLO
Arbitration lost.
This bit is set by hardware when the interface los-
es the arbitration of the bus to another master. An
interrupt is generated if ITE=1. It is cleared by soft-
ware reading SR2 register or by hardware when
the interface is disabled (PE=0).
After an ARLO event the interface switches back
automatically to Slave mode (M/SL=0).
The SCL line is not held low while ARLO=1.
0: No arbitration lost detected
1: Arbitration lost detected
Bit 1 = BERR
Bus error.
This bit is set by hardware when the interface de-
tects a misplaced Start or Stop condition. An inter-
rupt is generated if ITE=1. It is cleared by software
reading SR2 register or by hardware when the in-
terface is disabled (PE=0).
The SCL line is not held low while BERR=1.
0: No misplaced Start or Stop condition
1: Misplaced Start or Stop condition
Bit 0 = GCAL
General Call (Slave mode).
This bit is set by hardware when a general call ad-
dress is detected on the bus while ENGC=1. It is
cleared by hardware detecting a Stop condition
(STOPF=1) or when the interface is disabled
(PE=0).
0: No general call address detected on bus
1: general call address detected on bus
70
0
AF
STOPF ARLO
BERR GCAL
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ST72C124J2B6 | 功能描述:8位微控制器 -MCU Flash 8K SPI/SCI RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT |
| ST72C124J2T6 | 功能描述:8位微控制器 -MCU Flash 8K SPI/SCI RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT |
| ST72C124J4T6 | 制造商:STMicroelectronics 功能描述: |
| ST72C171K2B6 | 功能描述:8位微控制器 -MCU Flash 8K SPI/SCI RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT |
| ST72C171K2M6 | 功能描述:8位微控制器 -MCU Flash 8K SPI/SCI RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT |
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