- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄67602 > G767F (Global Mixed-mode Technology Inc.) Remote/Local Temperature Sensor with SMBus Serial Interface PDF資料下載
參數(shù)資料
| 型號(hào)： | G767F |
| 廠商： | Global Mixed-mode Technology Inc. |
| 元件分類： | 溫度/濕度傳感器 |
| 英文描述： | Remote/Local Temperature Sensor with SMBus Serial Interface |
| 中文描述： | 遠(yuǎn)程/本地溫度傳感器，帶有SMBus串行接口 |
| 文件頁(yè)數(shù)： | 2/14頁(yè) |
| 文件大?。?/td> | 393K |
| 代理商： | G767F |
第1頁(yè)當(dāng)前第2頁(yè)第3頁(yè)第4頁(yè)第5頁(yè)第6頁(yè)第7頁(yè)第8頁(yè)第9頁(yè)第10頁(yè)第11頁(yè)第12頁(yè)第13頁(yè)第14頁(yè)
Ver: 2.5
Dec 14, 2004
TEL: 886-3-5788833
http://www.gmt.com.tw
10
G767
Global Mixed-mode Technology Inc.
The Alert Response can activate several different
slave devices simultaneously, similar to the SMBus
General Call. If more than one slave attempts to re-
spond, bus arbitration rules apply, and the device with
the lower address code wins. The losing device does
not generate an acknowledge and continues to hold
the ALERT line low until serviced (implies that the
host interrupt input is level-sensitive). Successful
reading of the alert response address clears the inter-
rupt latch.
Command Byte Functions
The 8-bit command byte register (Table 4) is the mas-
ter index that points to the various other registers
within the G767. The register’s POR state is 0000
0000, so that a Receive Byte transmission (a protocol
that lacks the command byte) that occurs immediately
after POR returns the current local temperature data.
The one-shot command immediately forces a new
conversion cycle to begin. In software standby mode
(RUN/STOP bit = high), a new conversion is begun,
after which the device returns to standby mode. If a
conversion is in progress when a one-shot command
is received in auto-convert mode (RUN/STOP bit = low)
between conversions, a new conversion begins, the
conversion rate timer is reset, and the next automatic
conversion takes place after a full delay elapses.
Configuration Byte Functions
The configuration byte register (Table 5) is used to
mask (disable) interrupts and to put the device in
software standby mode. The lower six bits are inter-
nally set to (XX1111), making them “don’t care” bits.
Write zeros to these bits. This register’s contents can
be read back over the serial interface.
Status Byte Functions
The status byte register (Table 6) indicates which (if
any) temperature thresholds have been exceeded.
This byte also indicates whether or not the ADC is
converting and whether there is an open circuit in the
remote diode DXP-DXN path. After POR, the normal
state of all the flag bits is zero, assuming none of the
alarm conditions are present. The status byte is
cleared by any successful read of the status, unless
the fault persists. Note that the ALERT interrupt
latch is not automatically cleared when the status flag
bit is cleared.
When reading the status byte, you must check for in-
ternal bus collisions caused by asynchronous ADC
timing, or else disable the ADC prior to reading the
status byte (via the RUN/STOP bit in the configuration
byte). In one-shot mode, read the status byte only af-
ter the conversion is complete, which is 150ms max
after the one-shot conversion is commanded.
Table 5. Configuration-Byte Bit Assignments
BIT
NAME
POR STATE
FUNCTION
7 (MSB)
MASK
0
Masks all
ALERT interrupts when high.
6
RUN /
STOP
0
Standby mode control bit. If high, the device immediately stops converting and en-
ters standby mode. If low, the device converts in either one-shot or timer mode.
5-0
RFU
0
Reserved for future use
Table 6. Status-Byte Bit Assignments
BIT
NAME
FUNCTION
7 (MSB)
BUSY
A high indicates that the ADC is busy converting.
6
LHIGH*
A high indicates that the local high-temperature alarm has activated.
5
LLOW*
A high indicates that the local low-temperature alarm has activated.
4
RHIGH*
A high indicates that the remote high-temperature alarm has activated.
3
RLOW*
A high indicates that the remote low-temperature alarm has activated.
2
OPEN*
A high indicates a remote-diode continuity (open-circuit) fault.
1
RFU
Reserved for future use (returns 0)
0 (LSB)
RFU
Reserved for future use (returns 0)
*These flags stay high until cleared by POR, or until the status byte register is read.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| G771 | Two Remote Temperature Sensors with SMBus Serial Interface and System Reset Circuit |
| GB082AHGAAMDA-V01 | SPECIFICATIONS FOR LCD MODULE |
| GB082AHGAAMDB-V01 | SPECIFICATIONS FOR LCD MODULE |
| GB082AHGAAMLA-V01 | SPECIFICATIONS FOR LCD MODULE |
| GB082AHGAAMLB-V01 | SPECIFICATIONS FOR LCD MODULE |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| G768 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Remote/Local Temperature Sensor, 2 Fan Controllers with SMBus Serial Interface and System Reset Circuit |
| G768193-3 | 制造商:Glenair Inc 功能描述: |
| G768194-5 | 制造商:Glenair Inc 功能描述: |
| G768194-6 | 制造商:Glenair Inc 功能描述: |
| G768194-7 | 制造商:Glenair Inc 功能描述:ADAPTER - Bulk |
發(fā)布緊急采購(gòu)，3分鐘左右您將得到回復(fù)。