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參數(shù)資料
| 型號： | 73K222BL |
| 英文描述： | Low-Cost, 7ns, Low-Power Voltage Comparators |
| 中文描述： | 低速調(diào)制解調(diào)器 |
| 文件頁數(shù)： | 6/26頁 |
| 文件大?。?/td> | 238K |
| 代理商： | 73K222BL |
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73K222BL
V.22, V.21, Bell 212A, Bell 103
Single-Chip Modem with Integrated Hybrid
6
PARALLEL CONTROL INTERFACE
(continued)
NAME
PIN
TYPE
DESCRIPTION
WR
14
I
Write. A low on this pin informs the 73K222BL that data is available on
AD0-AD7 for writing into an internal register. Data is latched on the rising
edge of
WR
. No data is written unless both
WR
and the latched
CS
are
low.
SERIAL CONTROL INTERFACE
NAME
PIN
TYPE
DESCRIPTION
AD0-AD2
5-7
I
Register Address Selection. These lines carry register addresses and
should be valid during any read or write operation.
DATA (AD7)
12
I/O
Serial Control Data. Data for a read/write operation is clocked in or out on
the falling edge of the EXCLK pin. The direction of data flow is controlled
by the
RD
pin.
RD
low outputs data.
RD
high inputs data.
RD
15
I
Read. A low on this input informs the 73K222BL that data or status
information is being read by the processor. The falling edge of the
RD
signal will initiate a read from the addressed register. The
RD
signal must
continue fort eight falling edges of EXCLK in order to read all eight bits of
the referenced register. Read data is provided LSB first. Data will not be
output unless the
RD
signal is active.
WR
14
I
Write. A low on this input informs the 73K222BL that data or status
information has been shifted in through the DATA pin and is available for
writing to an internal register. The normal procedure for a write is to shift
in data LSB first on the DATA pin for eight consecutive falling edges of
EXCLK and then to pulse
WR
low. Data is written on the rising edge of
WR
.
NOTE: The serial control mode is provided by tying ALE high and
CS
low. In this configuration AD7 becomes
DATA and AD0, AD1 and AD2 become the address only.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 73K222BL-IGT | 制造商:TDK 制造商全稱:TDK Electronics 功能描述:V.22, V.21, Bell 212A, Bell 103 Single-Chip Modem with Integrated Hybrid |
| 73K222BL-IH | 制造商:TDK 功能描述:73K222BL-IH |
| 73K222BL-IH/F | 功能描述:電信集成電路 Modem Data Pump With Hybrid Relay Driver RoHS:否 制造商:STMicroelectronics 類型:Telecom IC - Various 工作電源電壓:4.75 V to 5.25 V 電源電流: 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFP-100 封裝:Tray |
| 73K222BL-IHR/F | 功能描述:電信集成電路 Modem Data Pump With Hybrid Relay Driver RoHS:否 制造商:STMicroelectronics 類型:Telecom IC - Various 工作電源電壓:4.75 V to 5.25 V 電源電流: 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFP-100 封裝:Tray |
| 73K222L-IH | 制造商:SSI 功能描述: |
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