參數(shù)資料
型號: AT30TS750-XM8-T
廠商: ATMEL CORP
元件分類: 溫度/濕度傳感器
英文描述: DIGITAL TEMP SENSOR-SERIAL, 12BIT(s), 3Cel, SQUARE, SURFACE MOUNT
封裝: 3 X 3 MM, GREEN, PLASTIC, MSOP-8
文件頁數(shù): 32/52頁
文件大?。?/td> 1369K
代理商: AT30TS750-XM8-T
R
Figure 10-1. SMBus Alert
SCL
SDA
ACK
FROM
SLAVE
START
BY
MASTER
2
0
MSB
3
16
7
5
49
8
SMBUS ARA CODE
AT30TS75 DEVICE ADDRESS BYTE
STOP
BY
MASTER
23
16
7
5
49
8
0
1
0
01
1001
Limit
0
A2
A1
A0
MSB
NACK
FROM
MASTER
1
Note:
The “Limit” bit (the LSB) of the device address byte will be “1” or “0” depending on if the THIGH or
TLOW limit was exceeded
10.2
SMBus Timeout
The AT30TS750 supports the SMBus Timeout feature in which the AT30TS750 will reset its serial
interface and release the SMBus (stop driving the bus and let SDA float high) if the SCL pin is
held low for more than the minimum tTIMEOUT specification. The AT30TS750 will be ready to
accept a new START condition before tTIMEOUT maximum has elapsed.
Figure 10-2. SMBus Timeout
SCL
DEVICE WILL RELEASE BUS AND
BE READY TO ACCEPT A NEW
START CONDITION WITHIN THIS TIME
tTIMEOUT (MIN)
tTIMEOUT (MAX)
10.3
General Call
The AT30TS750 will respond to an I2C General Call address (0000000) from the Master only if
the eighth bit (the LSB) of the General Call address byte is “0”. If the General Call address byte
is 00000000, then the device will send an ACK to the Master and await a command byte from the
Master.
If the Master sends a command byte of 04h, then the AT30TS750 will re-latch the status of its
address pins in case the system has assigned a new address to the device. If the Master sends
a command byte of 06h (General Call Reset), then the AT30TS750 will re-latch the status of its
address pins and perform a reset sequence. The reset sequence will cause the contents of the
nonvolatile data registers to be copied into the volatile data registers, and the device will be busy
for a maximum time of tPOR during the reset and copying operation.
8749A-DTS-03/11
Atmel AT30TS750 [Preliminary]
38
相關(guān)PDF資料
PDF描述
AT30TS750-MA8-T DIGITAL TEMP SENSOR-SERIAL, 12BIT(s), 3Cel, RECTANGULAR, SURFACE MOUNT
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AT42QT1070-SSU PROXIMITY SENSOR-CAPACITIVE, 0.6-2.6V, RECTANGULAR, SURFACE MOUNT
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