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參數(shù)資料
| 型號： | MIC280-7BM6 TR |
| 廠商： | Micrel Inc |
| 文件頁數(shù)： | 14/23頁 |
| 文件大小： | 385K |
| 描述： | IC SUPERVISOR THERMAL SOT23-6 |
| 標(biāo)準(zhǔn)包裝： | 3,000 |
| 系列： | IttyBitty® |
| 功能： | 溫度監(jiān)控系統(tǒng)（傳感器） |
| 傳感器類型： | 內(nèi)部和外部 |
| 感應(yīng)溫度： | -55°C ~ 125°C，外部傳感器 |
| 精確度： | ±2°C（最小值） |
| 拓?fù)洌?/td> | ADC，寄存器庫 |
| 輸出類型： | SMBus? |
| 輸出警報： | 無 |
| 輸出風(fēng)扇： | 無 |
| 電源電壓： | 3 V ~ 3.6 V |
| 工作溫度： | -55°C ~ 125°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | SOT-23-6 |
| 供應(yīng)商設(shè)備封裝： | SOT-23-6 |
| 包裝： | 帶卷 (TR) |
| 其它名稱： | MIC280-7BM6TR MIC280-7BM6TR-ND |
MIC280
Micrel
MIC280
14
May 2006
Status Register (STATUS)
8-bits, read-only
Status Register
D[7]
D[6]
D[5]
D[4]
D[3]
D[2]
D[1]
D[0]
read-only
read-only
read-only
read-only
read-only
read-only
read-only
read-only
S7
S6
S5
S4
S3
S2
S1
S0
Bit(s)
Function
Operation*
S7
Data ready
1 = data available
0 = ADC busy
S6
Local high temperature event
1 = event occurred, 0 = none
S5
Local low temperature event
1 = event occurred, 0 = none
S4
Remote high temperature event
1 = event occurred, 0 = none
S3
Remote low temperature event
1 = event occurred, 0 = none
S2
Diode fault
1 = fault, 0 = none
S1
Remote over-temperature event
1 = event occurred, 0 = none
S0
Local over-temperature event
1 = event occurred, 0 = none
* All status bits are cleared after any read operation is performed on STATUS.
Power-up default value:
0000 0000
b
= 00
h
(no events pending)
Read command byte:
0000 0010
b
= 02
h
The power-up default value is 00h. Following the rst conversion, however, any of the status bits may be set depending on
the measured temperature results or the existence of a diode fault.
Conguration Register (CONFIG)
8-bits, read/write
Conguration Register
D[7]
D[6]
D[5]
D[4]
D[3]
D[2]
D[1]
D[0]
read/write
read/write
reserved
reserved
reserved
reserved
reserved
reserved
Interrupt
Shut-down
Fault Queue
Resolution
Reserved
Reset
Enable
(IE)
(SHDN)
(FQ[1:0])
(RES[1:0])
(RST)
Bits(s)
Function
Operation*
IE
Interrupt enable
1 = interrupts enabled,
0 = disabled
SHDN
Selects operating mode: normal/shutdown
1 = shutdown, 0 = normal
FQ[1:0]
Depth of fault queue*
[00]=1, [01]=2, [10]=4, [11]=6
RES[1:0]
A/D converter resolution for external zone - affects conversion rate
[00]=9-bits, [01]=10-bits,
[10]=11-bits, [11]=12-bits
D[1]
Reserved
always write as zero!
RST
Resets all MIC280 functions and restores the power-up default state
write only; 1 = reset, 0 =
normal
operation; disabled by
setting L4
Power-up default value:
1000 0000
b
= 80
h
(Not in shutdown mode; Interrupts enabled;
Fault queue depth=1; Resolution = 9 bits)
Read/Write command byte:
0000 0011
b
= 03
h
* Any write to CONFIG will result in the fault queues being purged and reset and any A/D conversion in progress being aborted and the result
discarded. The A/D will begin a new conversion sequence once the write operation is complete.
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