TMS320F28335_1 Datasheet, PDF (115/166 Pages) Texas Instruments – Digital Signal Controllers (DSCs)

TMS320F28335, TMS320F28334, TMS320F28332
www.ti.com
Digital Signal Controllers (DSCs)
SPRS439B – JUNE 2007 – REVISED OCTOBER 2007
Table 6-5. Clocking and Nomenclature (150-MHz devices)
On-chip oscillator
clock
XCLKIN ⁽¹⁾
SYSCLKOUT
XCLKOUT
HSPCLK ⁽²⁾
LSPCLK ⁽²⁾
ADC clock
t_c(OSC), Cycle time
Frequency
t_c(CI), Cycle time
Frequency
t_c(SCO), Cycle time
Frequency
t_c(XCO), Cycle time
Frequency
t_c(HCO), Cycle time
Frequency
t_c(LCO), Cycle time
Frequency
t_c(ADCCLK), Cycle time
Frequency
MIN
28.6
20
6.67
4
6.67
2
6.67
0.5
6.67
13.3
40
(1) This also applies to the X1 pin if a 1.9-V oscillator is used.
(2) Lower LSPCLK and HSPCLK will reduce device power consumption.
(3) This is the default reset value if SYSCLKOUT = 150 MHz.
NOM
13.3 ⁽³⁾
75 ⁽³⁾
26.7 ⁽³⁾
37.5 ⁽³⁾
MAX
50
35
250
150
500
150
2000
150
150
75
25
UNIT
ns
MHz
ns
MHz
ns
MHz
ns
MHz
ns
MHz
ns
MHz
ns
MHz
Table 6-6. Clocking and Nomenclature (100-MHz devices)
On-chip oscillator
clock
XCLKIN ⁽¹⁾
SYSCLKOUT
XCLKOUT
HSPCLK ⁽²⁾
LSPCLK ⁽²⁾
ADC clock
t_c(OSC), Cycle time
Frequency
t_c(CI), Cycle time
Frequency
t_c(SCO), Cycle time
Frequency
t_c(XCO), Cycle time
Frequency
t_c(HCO), Cycle time
Frequency
t_c(LCO), Cycle time
Frequency
t_c(ADCCLK), Cycle time
Frequency
MIN
28.6
20
10
4
10
2
10
0.5
10
20
40
(1) This also applies to the X1 pin if a 1.9-V oscillator is used.
(2) Lower LSPCLK and HSPCLK will reduce device power consumption.
(3) This is the default reset value if SYSCLKOUT = 100 MHz.
NOM
20 ⁽³⁾
50 ⁽³⁾
40 ⁽³⁾
25 ⁽³⁾
MAX
50
35
250
100
500
100
2000
100
100
50
25
UNIT
ns
MHz
ns
MHz
ns
MHz
ns
MHz
ns
MHz
ns
MHz
ns
MHz
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Electrical Specifications 115