參數(shù)資料
型號: TMS320LC545
廠商: Texas Instruments, Inc.
元件分類: 數(shù)字信號處理
英文描述: Digital Signal Processors(20/25ns指令周期, 高性能,大并行度,特殊指令集可有效實現(xiàn)多種復(fù)雜算法及應(yīng)用的DSP)
中文描述: 數(shù)字信號處理器(20/25ns指令周期,高性能,大并行度,特殊指令集可有效實現(xiàn)多種復(fù)雜算法及應(yīng)用的數(shù)字信號處理器)
文件頁數(shù): 58/107頁
文件大小: 2149K
代理商: TMS320LC545
TMS320C54x, TMS320LC54x
FIXED-POINT DIGITAL SIGNAL PROCESSORS
SPRS039A – FEBRUARY 1996 – REVISED JULY 1997
55
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251–1443
electrical characteristics over recommended operating case temperature range (unless otherwise
noted)
PARAMETER
TEST CONDITIONS
IOH = –300
μ
A
MIN
TYP
MAX
UNIT
VOH
High-level output voltage
2.4
V
VOL
Low-level output voltage
IOL = 2 mA
0.6
V
IIZ
Input current in high
impedance
VDD = MAX,
VO = VSS to VDD
–20
20
μ
A
II
Input current
(VI = VSS to VDD)
TRST
With internal pulldown
–10
800
μ
A
HPIENA
TMS, TCK, TDI, HPI||
With internal pulldown, RS = 0
–10
400
t V
With internal pullups
–500
10
D[15:0], HD[7:0]
Bus holders enabled, VDD = MAX,
VI = VSS to VDD
–175
175
μ
A
All other input-only pins
–10
10
IDDC
IDDP
Supply current, core CPU
VDD = 5 V, fx = 40 MHz,§TC = 25
°
C
VDD = 5 V, fx = 40 MHz,§TC = 25
°
C
PLL
×
1 mode,
40 MHz input
47
18#
mA
Supply current, pins
mA
IDD
Supply current standby
Supply current, standby
IDLE2
4
mA
IDLE3
Divide-by-two mode, CLKIN stopped
5
μ
A
Ci
Co
All typical values are at VDD = 5 V, TC = 25
°
C.
All input and output voltage levels except RS, INT0–INT3, NMI, CNT, X2/CLKIN, CLKMD0–CLKMD3 are TTL-compatible.
§Clock mode: PLL
×
1 with external source
This value was obtained with 50% usage of MAC and 50% usage of NOP instructions. Actual operating current varies with program being
executed.
#This value was obtained with single-cycle external writes, CLKOFF = 0 and load = 15 pF. For more details on how this calculation is performed,
refer to the Calculation of TMS320C54x Power Dissipationapplication report (literature number SPRA164).
||HPI input signals except for HPIENA.
Input capacitance
10
pF
Output capacitance
10
pF
A
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