参数资料
型号: DS2149QN+
厂商: Maxim Integrated Products
文件页数: 28/32页
文件大小: 0K
描述: IC LIU T1/J1 5V 28-PLCC
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 37
类型: 线路接口装置(LIU)
规程: T1/J1
电源电压: 4.75 V ~ 5.25 V
安装类型: 表面贴装
封装/外壳: 28-LCC(J 形引线)
供应商设备封装: 28-PLCC(11.51x11.51)
包装: 管件
DS2149
5 of 32
2. OPERATING MODES
The DS2149 has several pins with multiple functions and names according to the selected operating
mode. These operating modes are summarized in the tables below.
Table 2-A. Operating Modes
QRSS DISABLED
QRSS ENABLED
PIN
BIPOLAR
NRZ
BIPOLAR
NRZ
1
MCLK
2
TCLK
3
TPOS
TDATA
INSLER
4
TNEG
INSBPV
6
RNEG
BPV
RNEG
BPV
7
RPOS
RDATA
RPOS
RDATA
8
RCLK
13
TTIP
16
TRING
19
RTIP
20
RRING
Control pins are affected by serial port and hardware modes.
Table 2-B. Control Pins for Hardware and Software Modes
HARDWARE MODE
SERIAL PORT MODE
PIN
NRZ
QRSS
NRZ
QRSS
5
MODE1
9
MODE0
11
JASEL
N.C.
12
RCL
RCL/QPD
RCL
RCL/QPD
23
L0
INT
24
L1
SDI
25
L2
SDO
17
L3
N.C.
18
NLOOP
26
RLB
NLB
CS
27
LLB
ALB
SCLK
28
TAIS
QRSS
CLKE
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