参数资料
型号: SI2400URT-EVB
厂商: Silicon Laboratories Inc
文件页数: 85/94页
文件大小: 0K
描述: BOARD EVAL FOR SI2400 ISOMODEM
标准包装: 1
系列: ISOmodem®
主要目的: 电信,调制解调器
嵌入式:
已用 IC / 零件: SI2400
主要属性: 双路 RJ-11 连接至电话线路,音频连接器
次要属性: RS-232,TTL 串行和 USB 接口
已供物品: 板,调制解调器,电源
相关产品: SI2400-BS-ND - IC ISOMODEM SYSTEM-SIDE 16SOIC
SI2400-FS-ND - IC ISOMODEM SYST-SIDE DAA 16SOIC
336-1093-ND - IC ISOMODEM SYSTEM-SIDE 16SOIC
其它名称: 336-1166
Si2400
86
Rev. 1.3
9. Pin Descriptions: Si2400
Pin #
Pin Name
Description
1
XTALI
XTALI
—Crystal Oscillator Pin.
These pins provide support for parallel resonant, AT cut crystals. XTALI also acts as
an input in the event that an external clock source is used in place of a crystal.
2
XTALO
XTALO
—Crystal Oscillator Pin.
Serves as the output of the crystal amplifier. A 4.9152 MHz crystal is required or a
4.9152 MHz clock on XTALI.
3
CLKOUT
Clock Output.
This signal is typically used to clock an output system microcontroller. The frequency
is 78.6432 MHz/(N+1), where N is programmable from 0 to 31. N defaults to 7 on
power up. Setting N = 0 stops the clock.
4
VD
Digital Supply Voltage.
Provides the digital supply voltage to the Si2400. Nominally either 5 V or 3.3 V.
5
RXD
Receive Data.
Serial communication data from the Si2400.
6
TXD
Transmit Data.
Serial communication data to the Si2400.
7
CTS
Clear to Send.
Clear to send output used by the Si2400 to signal that the device is ready to receive
more digital data on the TXD pin.
8
RESET
Reset Input.
An active low input that is used to reset all control registers to a defined, initialized
state. Also used to bring the Si2400 out of sleep mode.
9
AOUT
Analog Speaker Output.
Provides an analog output signal for monitoring call progress tones or to output voice
data to a speaker.
1
2
3
4
5
6
7
8
9
10
11
12
13
16
15
14
GPIO1
GPIO2
GPIO3
ISOB
GND
C1A
GPIO4
AOUT
XTALI
XTALO
CLKOUT
VD
RXD
TXD
CTS
RESET
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