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參數(shù)資料
| 型號： | FM30C256-S |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | 256Kb Data Collector |
| 中文描述： | 256Kb的數(shù)據(jù)采集器 |
| 文件頁數(shù)： | 2/18頁 |
| 文件大?。?/td> | 260K |
| 代理商： | FM30C256-S |
FM30C256
Rev 2.1
Dec. 2002
Page 2 of 18
Figure 1. Block Diagram
Pin Descriptions
Pin Name
A2-A0
Type
Input
Pin Description
Device select inputs are used to address the part on a serial bus. To select the device,
the address value on the three pins must match the corresponding bits contained in
the device address. Note that these are not address pins for read/write operations.
The address pins are pulled down internally.
Tamper detect is a battery backed input that stores a 1 in the Flags/Control register
when it detects a rising edge on the TIN pin.
512 Hz square-wave output for clock calibration
32.768 kHz crystal connection. When using an external oscillator source, use X2 as
the oscillator input and leave X1 floating.
Active low reset output (open drain)
Serial Data Address. This is a bi-directional line for the two-wire interface. It is
open-drain and is intended to be wire-OR’d with other devices on the two-wire bus.
The input buffer incorporates a Schmitt trigger for noise immunity and the output
driver includes slope control for falling edges. A pull-up resistor is required.
Serial Clock. The serial clock line for the two-wire interface. Data is clocked out of
the part on the falling edge, and in on the rising edge. The SCL input also
incorporates a Schmitt trigger input for noise immunity.
Battery backup supply voltage (3V)
Supply Voltage (5V)
Ground
No connect
TIN
Input
CAL
X1, X2
Output
I/O
/RST
SDA
Output
I/O
SCL
Input
VBAK
VDD
VSS
NC
Supply
Supply
Supply
-
Address Latch &
Counter
32K x 8
FRAM Array
RTC Address
Latch & Counter
Serial to Parallel
Converter
Data Latch
8
Protocol &
Device Select
Real-time Clock
Registers
Power Isolation
Tamper Flag
Counters
Power
Management
RTC Oscillator
Tamper Latch
Battery-backed power
CAL
TIN
X2
X1
RST
VBAK
VDD
SCL
SDA
A2-A0
32.768
kHz
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| FM30C350Q (550606) | 制造商:AMETEK Technical and Industrial Products 功能描述:Air Flow Meter, Analog, 3-in - 8.0 NPSC, 70-350 SCFM Flow Range, 2% Accuracy |
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