参数资料
型号: DS26502LN+
厂商: Maxim Integrated Products
文件页数: 74/125页
文件大小: 0K
描述: IC T1/E1/J1 64KCC ELEMENT 64LQFP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 160
类型: BITS 元件,多路复用器
PLL:
主要目的: T1/E1
输入: 时钟
输出: 时钟
电路数: 1
比率 - 输入:输出: 2:3
差分 - 输入:输出: 无/无
频率 - 最大: 6.312MHz
电源电压: 3.135 V ~ 3.465 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 64-LQFP
供应商设备封装: 64-LQFP(10x10)
包装: 托盘
产品目录页面: 1430 (CN2011-ZH PDF)
DS26502 T1/E1/J1/64KCC BITS Element
52 of 125
10. I/O PIN CONFIGURATION OPTIONS
Register Name:
IOCR1
Register Description:
I/O Configuration Register 1
Register Address:
01h
Bit #
7
6
5
4
3
2
1
0
Name
RSMS2
RSMS1
RLOFF
CSM_TSDW
TSM
TSIO
ODF
Default
0
HW
Mode
0
RSM
PIN 1
0
TSM
PIN 2
0
Bit 0: Output Data Format (ODF)
0 = bipolar data at TPOS and TNEG
1 = NRZ data at TPOS; TNEG = 0
Bit 1: TS_8K_4 I/O Select (TSIO). This bit determines whether the TS_8K_4 pin is an input or and output. See Table 10-1.
0 = TS_8K_4 is an input
1 = TS_8K_4 is an output
Bit 2: TS_8K_4 Mode Select (TSM). In T1 or E1 operation, selects frame or multiframe mode for the TS_8K_4 pin. In
6312kHz or 64KCC mode, this bit should be set = 0. See Table 10-1.
0 = frame mode
1 = multiframe mode
Bit 3: Composite Clock Sync Mode_ Transmit Signaling Double-Wide Sync (CSM_TSDW). In 64 kHz Composite Clock
mode, this bit determines whether the TS_8K_4 pin is an 8kHz or a 400Hz reference input (TS_8K_4 pin in input mode,
IOCR1 = 0), or an 8kHz or 400Hz reference output (TS_8K_4 pin in output mode, IOCR1 = 1). In T1 mode, setting this bit =
1 and setting TSIO = 1 will cause the sync pulse output on TS_8K_4 to be two clocks wide during signaling frames. In E1 or
6312kHz mode this bit should be set = 0. See Table 10-1.
0 = (CC64K) 8kHz reference, (T1) normal sync pulses
1 = (CC64K) 400Hz reference, (T1) double-wide sync pulses during signaling frames
Bit 4: RLOF_CCE Output Function (RLOFF). In T1 or E1 receive mode this bit determines the function of the
RLOF_CCE pin. In 64KCC or 6312kHz receive mode, this bit should be set = 0.
0 = receive loss of frame (RLOF)
1 = loss-of-transmit clock (LOTC)
Bit 5: RS_8K Mode Select 1(RSMS1). In T1 or E1 receive mode, this bit selects a frame or multiframe output pulse at
RS_8K pin. IOCR.6 may be used to select other function for the RS_8K pin.
0 = frame mode
1 = multiframe mode
Bit 6: RS_8K Mode Select 2 (RSMS2). In T1 and E1 receive mode, this bit along with IOCR.5 selects the function of the
RS_8K pin.
T1 Mode: (when IOCR.5 set = 0)
0 = do not pulse double-wide in signaling frames
1 = do pulse double-wide in signaling frames
E1 Mode: (when IOCR.5 set = 1)
0 = RS_8K outputs CAS multiframe boundaries
1 = RS_8K outputs CRC4 multiframe boundaries
Bit 7: Unused, must be set = 0 for proper operation
.
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