参数资料
型号: CS61884-IRZ
厂商: Cirrus Logic Inc
文件页数: 2/72页
文件大小: 0K
描述: IC LN INTERF T1/E1/J1 160-LFBGA
标准包装: 126
功能: 线路接口单元(LIU)
接口: E1,J1,T1
电路数: 8
电源电压: 3.14 V ~ 3.47 V
功率(瓦特): 1.73W
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 160-LFBGA
供应商设备封装: 160-TFGBA(13x13)
包装: 散装
包括: AMI 编码器和解码器,B8ZS 编码器和解码器,HDB3 编码器和解码器,LOS 检测
产品目录页面: 759 (CN2011-ZH PDF)
其它名称: 598-1717
CS61884
10
DS485F3
3.2 Control
SYMBOL
LQFP
LFBGA
TYPE
DESCRIPTION
MCLK
10
E1
I
Master Clock Input
This pin is a free running reference clock that should be
either 1.544 MHz for T1/J1 or 2.048 MHz for E1 operation.
This timing reference is used as follows:
- Timing reference for the clock recovery and jitter attenua-
tion circuitry.
- RCLK reference during Loss of Signal (LOS) conditions
- Transmit clock reference during Transmit all Ones (TAOS)
condition
- Wait state timing for microprocessor interface
- When this pin is held “High”, the PLL clock recovery cir-
cuit is disabled. In this mode, the CS61884 receivers
function as simple data slicers.
- When this pin is held “Low”, the receiver paths are pow-
ered down and the output pins RCLK, RPOS, and RNEG
are High-Z.
MODE
11
E2
I
Mode Select
This pin is used to select whether the CS61884 operates in
Serial host, Parallel host or Hardware mode.
Host Mode - The CS61884 is controlled through either a
serial or a parallel microprocessor interface (Refer to HOST
Hardware Mode - The microprocessor interface is disabled
and the device control/status are provided through the pins
on the device.
NOTE: For serial host mode connect this pin to a resistor
divider consisting of two 10K
Ω resistors between
VCCIO and GNDIO.
Table 1. Operation Mode Selection
Pin State
OPERATING Mode
LOW
Hardware Mode
HIGH
Parallel Host Mode
VCCIO/2
Serial Host Mode
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