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参数资料
型号： DS26503
厂商： Maxim Integrated Products, Inc.
英文描述： T1/E1/J1/64KCC BITS Element
中文描述： T1/E1/J1 BITS单元
文件页数： 17/123页
文件大小： 995K
代理商： DS26503
DS26503 T1/E1/J1 BITS Element
17 of 123
4.4 Controller Interface
NAME
TYPE
FUNCTION
INT
/
JACKS
I/O
Interrupt/JA Clock Source Select 1
INT
: Flags host controller during events, alarms, and conditions defined in
the status registers. Active-low open-drain output.
JACKS: Hardware Mode: JA Clock Select. Set this pin high for T1 mode
operation when either a 2.048MHz, 4.096MHz, 8.192MHz or 16.382MHz
signal is applied at MCLK.
Transmit Mode Select 1.
In Hardware Mode (BIS[1:0] = 11), this bit is used
to configure the transmit operating mode.
Transmit Mode Select 2.
In Hardware Mode (BIS[1:0] = 11), this bit is used
to configure the transmit operating mode.
Tri-State Control and Device Reset.
A dual-function pin. A zero-to-one
transition issues a hardware reset to the DS26503 register set. Configuration
register contents are set to the default state. Leaving TSTRST high tri-states
all output and I/O pins (including the parallel control port). Set low for
normal operation. Useful for in-board level testing.
Processor Interface Mode Select 1, 0.
These bits select the processor
interface mode of operation.
BIS[1:0] : 00 = Parallel Port Mode (Multiplexed)
01 = Parallel Port Mode (Nonmultiplexed)
10 = Serial Port Mode
11 = Hardware Mode
Data Bus D[7] or Address/Data Bus AD[7]/Transmit Termination Select
A[7]: In nonmultiplexed bus operation (BIS[1:0] = 01), it serves as the data
bus D[7].
AD[7]: In multiplexed bus operation (BIS[1:0] = 00), it serves as the
multiplexed address/data bus AD[7].
RITD: In Hardware Mode (BIS[1:0] = 11), it disables the internal receive
termination.
Data Bus D[6] or Address/Data Bus AD[6]/Transmit Termination Select
A[6]: In nonmultiplexed bus operation (BIS[1:0] = 01), it serves as the data
bus D[6].
AD[6]: In multiplexed bus operation (BIS[1:0] = 00), it serves as the
multiplexed address/data bus AD[6].
TITD: In Hardware Mode (BIS[1:0] = 11), it disables the internal transmit
termination.
Data Bus D[5] or Address/Data Bus AD[5]/Receive Framing Mode Select
Bit 1
A[5]: In nonmultiplexed bus operation (BIS[1:0] = 01), it serves as the data
bus D[5].
AD[5]: In multiplexed bus operation (BIS[1:0] = 00), it serves as the
multiplexed address/data bus AD[5].
RMODE1: In Hardware Mode (BIS[1:0] = 11), it selects the receive side
operating mode.
TMODE1
I
TMODE2
I
TSTRST
I
BIS[1:0]
I
AD[7]/
RITD
I/O
AD[6]/
TITD
I/O
AD[5]/
RMODE1
I/O
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相关代理商/技术参数
参数描述
DS26503_07 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:T1/E1/J1 BITS Element
DS26503DK 功能描述:时钟和定时器开发工具 DS26503 Dev Kit RoHS:否 制造商:Texas Instruments 产品:Evaluation Modules 类型:Clock Conditioners 工具用于评估:LMK04100B 频率:122.8 MHz 工作电源电压:3.3 V
DS26503L 功能描述:计时器和支持产品 E1-T1-J1 Bits Element RoHS:否 制造商:Micrel 类型:Standard 封装 / 箱体:SOT-23 内部定时器数量:1 电源电压-最大:18 V 电源电压-最小:2.7 V 最大功率耗散: 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装:Reel
DS26503L+ 功能描述:计时器和支持产品 E1-T1-J1 Bits Element RoHS:否 制造商:Micrel 类型:Standard 封装 / 箱体:SOT-23 内部定时器数量:1 电源电压-最大:18 V 电源电压-最小:2.7 V 最大功率耗散: 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装:Reel
DS26503LN 功能描述:计时器和支持产品 E1-T1-J1 Bits Element RoHS:否 制造商:Micrel 类型:Standard 封装 / 箱体:SOT-23 内部定时器数量:1 电源电压-最大:18 V 电源电压-最小:2.7 V 最大功率耗散: 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装:Reel
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