參數(shù)資料
型號(hào): TMS320LC57S
廠商: Texas Instruments, Inc.
元件分類: 數(shù)字信號(hào)處理
英文描述: Digital Signal Processors(35/50ns指令周期,并行邏輯單元,可編程PLL,全雙工同步串行口的DSP)
中文描述: 數(shù)字信號(hào)處理器(35/50ns指令周期,并行邏輯單元,可編程鎖相環(huán),全雙工同步串行口的數(shù)字信號(hào)處理器)
文件頁數(shù): 11/87頁
文件大?。?/td> 1864K
代理商: TMS320LC57S
TMS320C5x, TMS320LC5x
DIGITAL SIGNAL PROCESSORS
SPRS030A – APRIL 1995 – REVISED APRIL 1996
11
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251–1443
Pin Functions for Devices in the PZ Package (Continued)
SIGNAL
TYPE
DESCRIPTION
TDM SERIAL PORT INTERFACE
TDM serial receive-data input
TDM serial transmit-data output. In high-impedance state when not transmitting
TDM serial receive-data clock input
TDM serial transmit-data clock. Internal or external source
TDM serial receive-frame-synchronization input. In the TDM mode, TFSR/TADD is used to output/
input the address of the port
TDR
TDX
TCLKR
TCLKX
I
O/Z
I
I/O/Z
TFSR / TADD
I/O/Z
TFSX /TFRM
I
TDM serial transmit-frame-synchronization signal. Internal or external source. In the TDM mode,
TFSX/TFRM becomes TFRM, the TDM frame sync.
EMULATION/JTAG INTERFACE
JTAG-test-port scan data input
JTAG-test-port scan data output
JTAG-test-port mode select input
JTAG-port clock input
JTAG-port reset (with pull-down resistor). Disables JTAG when low
Emulation control 0. Reserved for emulation use
Emulation control 1. Puts outputs in high-impedance state when low
CLOCK GENERATION AND CONTROL (SEE NOTE 2)
Oscillator output
Clock/oscillator input (PLL clock input for ’C56)
Clock input (PLL clock input for ’C50, ’C51, ’C52, ’C53, ’C53S)
TDI
TDO
TMS
TCK
TRST
EMU0
EMU1/OFF
I
O/Z
I
I
I
I/O/Z
I/O/Z
X1
X2/CLKIN
CLKIN2
CLKMD1, CLKMD2,
CLKMD3
O
I
I
I
Clock-mode select inputs
CLKOUT1
O/Z
Device system-clock output
POWER SUPPLY CONNECTIONS
VDDA
VDDD
VDDC
VDDI
VSSA
VSSD
VSSC
VSSI
LEGEND:
I =
O =
S =
Z =
NOTE 2: CLKIN2 pin is replaced by CLKMD3 pin on ’LC56 devices.
S
Supply connection, address-bus output
S
Supply connection, data-bus output
S
Supply connection, control output
S
Supply connection, internal logic
S
Supply connection, address-bus output
S
Supply connection, data-bus output
S
Supply connection, control output
S
Supply connection, internal logic
Input
Output
Supply
High impedance
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