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PIC18LF2X_13 Datasheet, PDF (451/560 Pages) Microchip Technology – PIC18(L)F2X/45K50 USB Flash MCU Product Brief | |||
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PIC18(L)F2X/4XK22
FIGURE 27-8:
OSC1
CLKOUT AND I/O TIMING
Q4
Q1
10
CLKOUT
13
14
I/O pin
(Input)
17
I/O pin
(Output)
Old Value
Note:
20, 21
Refer to Figure 27-6 for load conditions.
Q2
19
18
15
Q3
11
12
16
New Value
TABLE 27-10: CLKOUT AND I/O TIMING REQUIREMENTS
Param.
No.
Symbol
Characteristic
Min
Typ
Max
Units Conditions
10
TosH2ckL OSC1 ï to CLKOUT ï¯
â
75
200
11
TosH2ckH OSC1 ï to CLKOUT ï
â
75
200
12
TckR
CLKOUT Rise Time
â
35
100
13
TckF
CLKOUT Fall Time
â
35
100
14
TckL2ioV CLKOUT ï¯ to Port Out Valid
â
â 0.5 TCY + 20
15
TioV2ckH Port In Valid before CLKOUT ï
0.25 TCY + 25 â
â
16
TckH2ioI Port In Hold after CLKOUT ï
0
â
â
17
TosH2ioV OSC1 ï (Q1 cycle) to Port Out Valid
â
50
150
18
TosH2ioI OSC1 ï (Q2 cycle) to Port Input Invalid
(I/O in hold time)
100
â
â
19
TioV2osH Port Input Valid to OSC1 ïï (I/O in setup time)
0
â
â
20
TioR
Port Output Rise Time
â
40
72
â
15
32
21
TioF
Port Output Fall Time
â
28
55
â
15
30
22â
TINP
INTx pin High or Low Time
20
â
â
23â
TRBP
RB<7:4> Change KBIx High or Low Time
TCY
â
â
â These parameters are asynchronous events not related to any internal clock edges.
Note 1: Measurements are taken in RC mode, where CLKOUT output is 4 x TOSC.
ns
(Note 1)
ns
(Note 1)
ns
(Note 1)
ns
(Note 1)
ns
(Note 1)
ns
(Note 1)
ns
(Note 1)
ns
ns
ns
ns VDD = 1.8V
ns VDD = 3.3V - 5.0V
ns VDD = 1.8V
ns VDD = 3.3V - 5.0V
ns
ns
ï£ 2010-2012 Microchip Technology Inc.
DS41412F-page 451
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