參數(shù)資料
型號： TMS320C10-14
廠商： Texas Instruments, Inc.
元件分類： 數(shù)字信號處理
英文描述： Digital Signal Processors(280ns指令周期，分離的程序和數(shù)據(jù)總線，外部輪詢中斷的DSP)
中文描述： 數(shù)字信號處理器（280ns指令周期，分離的程序和數(shù)據(jù)總線，外部輪詢中斷的數(shù)字信號處理器）
文件頁數(shù)： 16/139頁
文件大?。?/td> 1478K
代理商： TMS320C10-14
ICC
Supply current
mA
Crystal frequency, fx
MHz
RL = 825
,
CL = 100 pF
(see Figure 2)
PARAMETER
UNIT
TEST CONDITIONS
UNIT
SPRS009C–JANUARY 1987–REVISED JULY 1991
TMS320C10, TMS320C10-25
DIGITAL SIGNAL PROCESSORS
POST OFFICE BOX 1443
HOUSTON, TEXAS 77001
16
electrical characteristics over specified temperature range (unless otherwise noted)
PARAMETER
TEST CONDITIONS
(SEE FIGURE 2)
MIN
TYP
MAX
UNIT
TMS320C10
f = 20.5 MHz, VCC = 5.5 V, TA = – 40
°
C to 85
°
C
f = 25.6 MHz, VCC = 5.5 V TA = – 0
°
C to 70
°
C
33
55
TMS320C10-25
40
65
All typical values are at TA = 70
°
C and are used for thermal resistance calculations.
ICC characteristics are inversely proportional to temperature. For ICC dependence on temperature, frequency, and loading.
CLOCK CHARACTERISTICS AND TIMING
The
′
C10/C10-25 can use either its internal oscillator or an external frequency source for a clock.
internal clock option
The internal oscillator is enabled by connecting a crystal across X1 and X2/CLKIN (see Figure 1). The frequency
of CLKOUT is one-fourth the crystal fundamental frequency. The crystal should be fundamental mode, and
parallel resonant, with an effective series resistance of 30 ohms, a power dissipation of 1 mW, and should be
specified at a load capacitance of 20 pF.
PARAMETER
TEST CONDITIONS
TA = – 40
°
C to 85
°
C
TA = 0
°
C to 70
°
C
TA = – 40
°
C to 85
°
C
MIN
6.7
NOM
MAX
20.5
UNIT
TMS320C10
TMS320C10-25
6.7
25.6
C1, C2
10
pF
external clock option
An external frequency source can be used by injecting the frequency directly into X2/CLKIN with X1 left
unconnected. The external frequency injected must conform to the specifications listed in the table below.
switching characteristics over recommended operating conditions
TMS320C10
TMS320C10-25
MIN
NOM
MAX
MIN
NOM
MAX
tc(C)
tr(C)
tf(C)
tw(CL)
tw(CH)
td(MCC)
§tc(C) is the cycle time of CLKOUT, i.e., 4tc(MC) (4 times CLKIN cycle time if an external oscillator is used).
Values derived from characterization data and not tested.
CLKOUT cycle time§
195.12
200
10
8
92
90
156.25
160
10
8
72
70
ns
CLKOUT rise time
ns
CLKOUT fall time
ns
Pulse duration, CLKOUT low
ns
Pulse duration, CLKOUT high
Delay time, CLKIN
↑
to CLKOUT
↓
ns
25
60
25
50
ns
timing requirements over recommended operating conditions
TMS320C10
NOM
TMS320C10-25
NOM
MIN
MAX
MIN
MAX
150
10
10
tc(MC)
tr(MC)
tf(MC)
tw(MCP)
tw(MCL)
tw(MCH)
Values derived from characterization data and not tested.
Master clock cycle time
48.78
50
5
5
150
10
10
39.06
40
5
5
ns
Rise time, master clock input
ns
Fall time, master clock input
ns
Pulse duration, master clock
0.4tc(MC)
0.6tc(MC)
20
20
0.45tc(MC)
0.55tc(MC)
15
15
ns
Pulse duration, master clock low
ns
Pulse duration, master clock high
ns
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