PIC18F6X2X Datasheet, PDF (342/386 Pages) Microchip Technology – 64/80-Pin High Performance, 64-Kbyte Enhanced FLASH Microcontrollers with A/D

PIC18F6X2X/8X2X
FIGURE 27-6:
OSC1
CLKO AND I/O TIMING
Q4
Q1
10
CLKO
13
14
I/O pin
(input)
17
I/O pin
(output)
Old Value
Note:
20, 21
Refer to Figure 27-4 for load conditions.
Q2
19
18
15
New Value
Q3
11
12
16
TABLE 27-8: CLKO AND I/O TIMING REQUIREMENTS
Param.
No.
Symbol
Characteristic
Min
Typ
Max
Units Conditions
10
TosH2ckL OSC1 ↑ to CLKO ↓
—
75
200
11
TosH2ckH OSC1 ↑ to CLKO ↑
—
75
200
12
TckR
CLKO rise time
—
35
100
13
TckF
CLKO fall time
—
35
100
14
TckL2ioV CLKO ↓ to Port out valid
—
— 0.5 TCY + 20
15
TioV2ckH Port in valid before CLKO ↑
0.25 TCY + 25 —
—
16
TckH2ioI Port in hold after CLKO ↑
0
—
—
17
TosH2ioV OSC1 ↑ (Q1 cycle) to Port out valid
—
50
150
18
TosH2ioI OSC1 ↑ (Q2 cycle) to PIC18F6X2X/8X2X
100
—
—
18A
Port input invalid
PIC18LF6X2X/8X2X
200
—
—
(I/O in hold time)
19
TioV2osH Port input valid to OSC1 ↑
(I/O in setup time)
0
—
—
20
TioR
Port output rise time PIC18F6X2X/8X2X
—
10
25
20A
PIC18LF6X2X/8X2X
—
—
60
21
TioF
Port output fall time
PIC18F6X2X/8X2X
—
10
25
21A
PIC18LF6X2X/8X2X
—
—
60
22†† TINP
INT pin high or low time
TCY
—
—
23†† TRBP
RB7:RB4 change INT high or low time
TCY
—
—
24†† TRCP
RC7:RC4 change INT high or low time
20
†† These parameters are asychronous events not related to any internal clock edges.
Note 1: Measurements are taken in RC mode, where CLKO 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
ns
ns
ns
ns
ns
ns
ns
DS39612A-page 340
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 2003 Microchip Technology Inc.