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PXS20 Datasheet, PDF (103/119 Pages) Freescale Semiconductor, Inc – PXS20 Microcontroller | |||
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Table 32. RESET electrical characteristics
No. Symbol
Parameter
Conditions1
Min
1
Ttr
D Output transition time output pin2
CL = 25pF
â
CL = 50pF
â
CL = 100pF
â
2 WFRST P nRESET input filtered pulse
â
â
3 WNFRST P nRESET input not filtered pulse
â
500
1 VDD = 3.3 V ± 10%, TJ = â40 to +150 °C, unless otherwise specified
2 CL includes device and package capacitance (CPKG < 5 pF).
Electrical characteristics
Typ
Max Unit
â
12 ns
â
25
â
40
â
40 ns
â
â ns
3.20.2 WKUP/NMI timing
Table 33. WKUP/NMI glitch filter
No. Symbol
Parameter
Min
Typ
1 WFNMI D NMI pulse width that is rejected
â
â
2 WNFNMI D NMI pulse width that is passed
205
â
Max Unit
45 ns
â ns
3.20.3 IEEE 1149.1 JTAG interface timing
Table 34. JTAG pin AC electrical characteristics
No. Symbol
Parameter
1
tJCYC
D TCK cycle time
2
tJDC
D TCK clock pulse width (measured at VDDE/2)
3 tTCKRISE D TCK rise and fall times (40%â70%)
4 tTMSS, tTDIS D TMS, TDI data setup time
5 tTMSH, tTDIH D TMS, TDI data hold time
6 tTDOV D TCK low to TDO data valid
7
tTDOI
D TCK low to TDO data invalid
8 tTDOHZ D TCK low to TDO high impedance
11 tBSDV D TCK falling edge to output valid
12 tBSDVZ D TCK falling edge to output valid out of high impedance
13 tBSDHZ D TCK falling edge to output high impedance
14 tBSDST D Boundary scan input valid to TCK rising edge
15 tBSDHT D TCK rising edge to boundary scan input invalid
Conditions
â
â
â
â
â
â
â
â
â
â
â
â
â
Min Max Unit
62.5 â ns
40 60 %
â 3 ns
5 â ns
25 â ns
â 20 ns
0 â ns
â 20 ns
â 50 ns
â 50 ns
â 50 ns
50 â ns
50 â ns
PXS20 Microcontroller Data Sheet, Rev. 1
Freescale Semiconductor
103
PreliminaryâSubject to Change Without Notice
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