参数资料
型号: SM320VC33HFGM150
厂商: TEXAS INSTRUMENTS INC
元件分类: 数字信号处理
英文描述: 32-BIT, 75 MHz, OTHER DSP, CQFP164
封装: NCTB, CERAMIC, MO-113AA, QFP-164
文件页数: 54/56页
文件大小: 669K
代理商: SM320VC33HFGM150
SM320VC33, SMJ320VC33
DIGITAL SIGNAL PROCESSOR
SGUS034E - FEBRUARY 2001 - REVISED OCTOBER 2002
7
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251-1443
Terminal Functions (Continued)
TERMINAL
TYPE
DESCRIPTION
CONDITIONS
WHEN
NAME
QTY
TYPE
DESCRIPTION
WHEN
SIGNAL IS Z TYPE
TIMER SIGNALS
TCLK0
1
I/O/Z
Timer clock 0. As an input, TCLK0 is used by timer 0 to count external pulses. As
an output, TCLK0 outputs pulses generated by timer 0.
S
R
TCLK1
1
I/O/Z
Timer clock 1. As an input, TCLK1 is used by timer 1 to count external pulses. As
an output, TCLK1 outputs pulses generated by timer 1.
S
R
SUPPLY AND OSCILLATOR SIGNALS
H1
1
O/Z
External H1 clock
S
H3
1
O/Z
External H3 clock
S
CVDD
8
I
+VDD. Dedicated 1.8-V power supply for the core CPU. All must be connected to
a common supply plane.§
DVDD
16
I
+VDD. Dedicated 3.3-V power supply for the I/O pins. All must be connected to a
common supply plane.§
VSS
18
I
Ground. All grounds must be connected to a common ground plane.
PLLVDD
1
I
Internally isolated PLL supply. Connect to CVDD (1.8 V)
PLLVSS
1
I
Internally isolated PLL ground. Connect to VSS
EXTCLK
1
I
External clock. Logic level compatible clock input. If the XIN/XOUT oscillator is
used, tie this pin to ground.
XOUT
1
O
Clock out. Output from the internal-crystal oscillator. If a crystal is not used, XOUT
should be left unconnected.
XIN
1
I
Clock in. Internal-oscillator input from a crystal. If EXTCLK is used, tie this pin to
ground.
CLKMD0,
CLKMD1
2
I
Clock mode select pins
RSV0 - RSV1
2
I
Reserved. Use individual pullups to DVDD.
JTAG EMULATION
EMU1- EMU0
2
I/O
Emulation pins 0 and 1, use individual pullups to DVDD
TDI
1
I
Test data input
TDO
1
O
Test data output
TCK
1
I
Test clock
TMS
1
I
Test mode select
TRST
1
I
Test reset
I = input, O = output, Z = high-impedance state
S = SHZ active, H = HOLD active, R = RESET active
§ Recommended decoupling. Four 0.1
F for CVDD and eight 0.1 F for DVDD.
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