PIC18C658 MICROCHIP [Microchip Technology], PIC18C658 Datasheet - Page 324

• Manufacturer Part Number: PIC18C658
• Description: High-Performance Microcontrollers with CAN Module
• Manufacturer: MICROCHIP [Microchip Technology]

PIC18CXX8
FIGURE 25-6: CLKOUT AND I/O TIMING
TABLE 25-6:
DS30475A-page 324
Param.
10
11
12
13
14
15
16
17
18
18A
19
20
20A
21
21A
22††
23††
24††
Note 1: Measurements are taken in RC mode where CLKO pin output is 4 x T
No.
CLKOUT
I/O Pin
(output)
††These parameters are asynchronous events, not related to any internal clock edges.
I/O Pin
(input)
OSC1
TosH2ckL OSC1 to CLKOUT
TosH2ckH OSC1 to CLKOUT
TckR
TckF
TckL2ioV
TioV2ckH Port in valid before CLKOUT
TckH2ioI
TosH2ioV OSC1 (Q1 cycle) to Port out valid
TosH2ioI
TioV2osH Port input valid to OSC1
TioR
TioF
T
T
T
Note: Refer to Figure 25-4 for load conditions .
Symbol
INP
RBP
RCP
CLKOUT AND I/O TIMING REQUIREMENTS
CLKOUT rise time
CLKOUT fall time
CLKOUT
Port in hold after CLKOUT
OSC1 (Q2 cycle) to
Port input invalid
(I/O in hold time)
(I/O in setup time)
Port output rise time
Port output fall time
INT pin high or low time
RB7:RB4 change INT high or low time
RC7:RC4 change INT high or low time
old value
Q4
Characteristic
to Port out valid
10
Advanced Information
13
17
PIC18CXX8
PIC18LCXX8
PIC18CXX8
PIC18LCXX8
PIC18CXX8
PIC18LCXX8
14
20, 21
Q1
19
0.25T
Min
100
200
T
T
20
—
—
—
—
—
—
—
—
—
—
CY
18
0
0
CY
CY
+ 25
Q2
15
Typ
75
75
35
35
50
10
10
—
—
—
—
—
—
—
—
—
—
—
OSC
.
0.5T
Max
200
200
100
100
150
CY
25
60
25
60
—
—
—
—
—
—
—
—
2000 Microchip Technology Inc.
+ 20
11
12
Units Conditions
new value
16
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Q3
(1)
(1)
(1)
(1)
(1)
(1)
(1)