参数资料
| 型号： | CS61884-IRZ |
| 厂商： | Cirrus Logic Inc |
| 文件页数： | 3/72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 |
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CS61884
DS485F3
11
MUX/BITSEN0
43
K2
I
Multiplexed Interface/Bits Clock Select
Host Mode -This pin configures the microprocessor inter-
face for multiplexed or non-multiplexed operation.
Hardware mode - This pin is used to enable channel 0 as
a G.703 BITS Clock recovery channel (Refer to BUILDING
(See Section 8 on page 23). Channel 1 through 7 are not
affected by this pin during hardware mode. During host
mode the G.703 BITS Clock recovery function is enabled by
the Bits Clock Enable Register (1Eh) (See Section 14.31
NOTE: The MUX pin only controls the BITS Clock function in
Hardware Mode
INT
82
K13
O
Interrupt Output
This active low output signals the host processor when one
of the CS61884’s internal status register bits has changed
state. When the status register is read, the interrupt is
cleared. The various status changes that would force INT
active are maskable via internal interrupt enable registers.
NOTE: This pin is an open drain output and requires a 10 k
Ω
pull-up resistor.
RDY/ACK/SDO
83
K14
O
Data Transfer Acknowledge/Ready/Serial Data Output
Intel Parallel Host Mode - During a read or write register
access, RDY is asserted “Low” to acknowledge that the de-
vice has been accessed. An asserted “High” acknowledges
that data has been written or read. Upon completion of the
bus cycle, this pin High-Z.
Motorola Parallel Host Mode - During a data bus read
operation this pin “ACK” is asserted “High” to indicate that
data on the bus is valid. An asserted “Low” on this pin dur-
ing a write operation acknowledges that a data transfer to
the addressed register has been accepted. Upon comple-
tion of the bus cycle, this pin High-Z.
NOTE: Wait state generation via RDY/ACK is disabled in
RZ mode (No Clock Recovery).
Serial Host Mode - When the microprocessor interface is
configured for serial bus operation, “SDO” is used as a seri-
al data output. This pin is forced into a high impedance
state during a serial write access. The CLKE pin controls
whether SDO is valid on the rising or falling edge of SCLK.
Upon completion of the bus cycle, this pin High-Z.
Hardware Mode - This pin is not used and should be left
open.
SYMBOL
LQFP
LFBGA
TYPE
DESCRIPTION
Table 2. Mux/Bits Clock Selection
Pin State
Parallel Host Mode
Hardware Mode
HIGH
multiplexed
BITS Clock ON
LOW
non multiplexed
BITS Clock OFF
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