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參數(shù)資料
| 型號： | ST52F514F1M6 |
| 英文描述： | IC MAX 7000 CPLD 256 208-PQFP |
| 中文描述： | 微控制器 |
| 文件頁數(shù)： | 93/106頁 |
| 文件大?。?/td> | 648K |
| 代理商： | ST52F514F1M6 |
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ST52F510/F513/F514
93/106
Bit 7:
EVF
Event Flag
This bit is set by hardware as soon as an
event occurs. It is cleared by software
reading I2C_SR2 register in case of error
event or as described in Figure14.3. It is also
cleared by hardware when the interface is
disabled (PE=0).
0: No event
1: One of the following events has occurred:
– BTF=1 (Byte received or transmitted)
– ADSL=1 (Address matched in Slave
mode while ACK=1)
– SB=1 (Start condition generated in Mas-
ter mode)
– AF=1 (No acknowledge received after
byte transmission)
– STOPF=1 (Stop condition detected in
Slave mode)
– ARLO=1 (Arbitration lost in Master
mode)
– BERR=1 (Bus error, misplaced Start or
Stop condition detected)
– Address bytesuccessfully transmitted in
Master mode.
Bit 6:
ADD10
10 bit addressing in Master Mode
This bit is set by hardware when the master
has sentthe first byte in 10-bitaddress mode.
It is cleared by software reading I2C_SR2
register followed by a write in the I2C_OUT
register of the second address byte. It is also
cleared by hardware when the peripheral is
disabled (PE=0).
0: No ADD10 event occurred
1: TheMaster has sent thefirst address byte
Bit 5:
TRA
Transmitter/Receiver
When BTF is set, TRA=1 if a data byte has
been transmitted. It is cleared automatically
when BTF is cleared. It is also cleared by
hardware after detection of Stop condition
(STOPF=1), lossof busarbitration (ARLO=1)
or when the interface is disabled (PE=0).
0: Data byte received (if BTF=1)
1: Data byte transmitted
Bit 4:
BUSY
Bus busy
This bit is set by hardware on detection of a
Start condition and cleared by hardware on
detection of a Stop condition. It indicates a
communication in progress on the bus. This
information isstill updated when the interface
is disabled (PE=0).
0: No communication on the bus
1: Communication ongoing on the bus
Bit 3:
BTF
Byte transfer finished
This bit is set by hardware as soon as a byte
is correctly received or transmitted with
interrupt generation if ITE=1. It is cleared by
software reading I2C_SR1 register followed
by a read of I2C_IN or write of I2C_OUT
registers. It is also cleared by hardware when
the interface is disabled (PE=0).
– Following a byte transmission, this bit is
set after reception of the acknowledge
clock pulse. In case an address byte is
sent, this bit is set only after the EV6
event (see Figure 14.3). BTF is cleared
by reading I2C_SR1 register followed by
writing the next byte in I2C_OUT register.
– Following a byte reception, this bit is set
after transmission of the acknowledge
clock pulse if ACK=1. BTF is cleared by
reading I2C_SR1 register followed by
reading the byte from I2C_IN register.
The SCL line is held low while BTF=1.
0: Byte transfer not done
1: Byte transfer succeeded
Bit 2:
ADSL
Address matched (Slave Mode)
This bit is set by hardware as soon as the
slave address received matched with the
OAR register content or a general call is
recognized. An interrupt is generated if
ITE=1. It is cleared by software reading
I2C_SR1 register or by hardware when the
interface is disabled (PE=0).
The SCL line is held low while ADSL=1.
0: Address mismatched or not received
1: Received address matched
Bit 1:
M/SL
Master/Slave
This bit is set by hardware as soon as the
interface
is
in
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
Master
mode
(writing
Bit 0:
SB
Start bit (Master Mode)
This bit is set by hardware as soon as the
Start conditionis generated (following a write
相關PDF資料 |
PDF描述 |
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| ST52F514F3B6 | IC MAX 7000 CPLD 256 208-PQFP |
| ST52F514F3M6 | IC MAX 7000 CPLD 256 256-FBGA |
| ST52F514G0B6 | IC MAX 7000 CPLD 256 256-FBGA |
| ST52F514G0M6 | IC MAX 7000 CPLD 64 100-TQFP |
| ST52F514G1B6 | IC MAX 7000 CPLD 64 100-TQFP |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| ST52F514F3B6 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Microcontroller |
| ST52F514F3M6 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Microcontroller |
| ST52F514FMB6 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:8-BIT INTELLIGENT CONTROLLER UNIT ICU Two Timer/PWMs, ADC, I2C, SPI, SCI |
| ST52F514FMM6 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:8-BIT INTELLIGENT CONTROLLER UNIT ICU Two Timer/PWMs, ADC, I2C, SPI, SCI |
| ST52F514G0B6 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Microcontroller |
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