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| 型号： | TMS320C542PGE-40 |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 数字信号处理 |
| 英文描述： | 16-BIT, 100 MHz, OTHER DSP, PQFP144 |
| 封装： | PLASTIC, QFP-144 |
| 文件页数： | 19/111页 |
| 文件大小： | 1467K |
| 代理商： | TMS320C542PGE-40 |
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TMS320C54x, TMS320LC54x, TMS320VC54x
FIXED-POINT DIGITAL SIGNAL PROCESSORS
SPRS039C – FEBRUARY 1996 – REVISED DECEMBER 1999
15
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251–1443
’54x Signal Descriptions (Continued)
TERMINAL
DESCRIPTION
NAME
DESCRIPTION
TYPE
SERIAL PORT 0 AND SERIAL PORT 1 SIGNALS (CONTINUED)
DX0
DX1
O/Z
Serial port transmit output. Serial data is transmitted from the XSR via DX. DX0 and DX1 are placed in the
high-impedance state when not transmitting and when EMU1/OFF is low.
FSR0
FSR1
I
Frame synchronization pulse for receive input. The falling edge of the FSR pulse initiates the data-receive
process, beginning the clocking of the RSR.
FSX0
FSX1
I/O/Z
Frame synchronization pulse for transmit input/output. The falling edge of the FSX pulse initiates the data transmit
process, beginning the clocking of the XSR. Following reset, the default operating condition of FSX is an input.
FSX0 and FSX1 can be selected by software to be an output when TXM in the serial control register is set to 1.
This pin goes into the high-impedance state when EMU1/OFF is low.
TDM SERIAL PORT SIGNALS
TCLKR
I
TDM receive clock input
TDR
I
TDM serial data-receive input
TFSR/TADD
I/O
TDM receive frame synchronization or TDM address
TCLKX
I/O/Z
TDM transmit clock
TDX
O/Z
TDM serial data-transmit output
TFSX/TFRM
I/O/Z
TDM transmit frame synchronization
HOST-PORT INTERFACE SIGNALS
HD0–HD7
I/O/Z
Parallel bidirectional data bus. HD0–HD7 are placed in the high-impedance state when not outputting data. The
signals go into the high-impedance state when EMU1/OFF is low. These pins each have bus holders similar to
those on the address/data bus, but which are always enabled.
HCNTL0
HCNTL1
I
Control inputs
HBIL
I
Byte-identification input
HCS
I
Chip-select input
HDS1
HDS2
I
Data strobe inputs
HAS
I
Address strobe input
HR/W
I
Read/write input
HRDY
O/Z
Ready output. This signal goes into the high-impedance state when EMU1/OFF is low.
HINT
O/Z
Interrupt output. When the DSP is in reset, this signal is driven high
. The signal goes into the high-impedance
state when EMU1/OFF is low.
HPIENA
I
HPI module select input. This signal must be tied to a logic 1 state to have HPI selected. If this input is left open
or connected to ground, the HPI module will not be selected, internal pullup for the HPI input pins are enabled,
and the HPI data bus has keepers set. This input is provided with an internal pull-down resistor which is active
only when RS is low. HPIENA is sampled when RS goes high and ignored until RS goes low again. Refer to the
Electrical Characteristics section for the input current requirements for this pin.
SUPPLY PINS
CVDD
Supply
+VDD. CVDD is the dedicated power supply for the core CPU.
DVDD
Supply
+VDD. DVDD is the dedicated power supply for I/O pins.
VSS
Supply
Ground. VSS is the dedicated power ground for the device.
I = Input, O = Output, Z = High impedance
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TMS320C54CST | 制造商:TI 制造商全称:Texas Instruments 功能描述:Client Side Telephony DSP |
| TMS320C54CSTGGU | 功能描述:数字信号处理器和控制器 - DSP, DSC DSP for Client-Side Telephony RoHS:否 制造商:Microchip Technology 核心:dsPIC 数据总线宽度:16 bit 程序存储器大小:16 KB 数据 RAM 大小:2 KB 最大时钟频率:40 MHz 可编程输入/输出端数量:35 定时器数量:3 设备每秒兆指令数:50 MIPs 工作电源电压:3.3 V 最大工作温度:+ 85 C 封装 / 箱体:TQFP-44 安装风格:SMD/SMT |
| TMS320C54CSTPGE | 功能描述:数字信号处理器和控制器 - DSP, DSC DSP for Client-Side Telephony RoHS:否 制造商:Microchip Technology 核心:dsPIC 数据总线宽度:16 bit 程序存储器大小:16 KB 数据 RAM 大小:2 KB 最大时钟频率:40 MHz 可编程输入/输出端数量:35 定时器数量:3 设备每秒兆指令数:50 MIPs 工作电源电压:3.3 V 最大工作温度:+ 85 C 封装 / 箱体:TQFP-44 安装风格:SMD/SMT |
| TMS320C54CSTZGU | 功能描述:数字信号处理器和控制器 - DSP, DSC DSP for Client-Side Telephony RoHS:否 制造商:Microchip Technology 核心:dsPIC 数据总线宽度:16 bit 程序存储器大小:16 KB 数据 RAM 大小:2 KB 最大时钟频率:40 MHz 可编程输入/输出端数量:35 定时器数量:3 设备每秒兆指令数:50 MIPs 工作电源电压:3.3 V 最大工作温度:+ 85 C 封装 / 箱体:TQFP-44 安装风格:SMD/SMT |
| TMS320C54V90 | 制造商:TI 制造商全称:Texas Instruments 功能描述:EMBEDDED V.90 MODEM DSP |
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