PIC12F629/675
FIGURE 12-6:
CLKOUT AND I/O TIMING
Q1
Q2
Q3
Q4
OSC1
11
10
22
23
CLKOUT
13
12
19
18
14
16
I/O pin
(Input)
15
17
I/O pin
(Output)
New Value
Old Value
20, 21
TABLE 12-3: CLKOUT AND I/O TIMING REQUIREMENTS
Param
Sym
Characteristic
Min
Typ†
Max
Units Conditions
No.
10
11
12
13
14
15
TosH2ckL OSC1 to CLOUT
TosH2ckH OSC1 to CLOUT
—
—
—
—
—
75
75
35
35
—
—
200
200
100
100
20
ns
ns
ns
ns
ns
ns
(Note 1)
(Note 1)
(Note 1)
(Note 1)
(Note 1)
(Note 1)
TckR
TckF
CLKOUT rise time
CLKOUT fall time
TckL2ioV CLKOUT to Port out valid
TioV2ckH Port in valid before CLKOUT
TOSC + 200
ns
—
16
17
TckH2ioI
Port in hold after CLKOUT
0
—
—
50
—
—
—
150 *
300
—
ns
ns
ns
ns
(Note 1)
TosH2ioV OSC1 (Q1 cycle) to Port out valid
—
18
19
TosH2ioI OSC1 (Q2 cycle) to Port input
100
invalid (I/O in hold time)
TioV2osH Port input valid to OSC1
0
—
—
ns
(I/O in setup time)
20
21
22
23
TioR
TioF
Tinp
Trbp
Port output rise time
—
—
10
10
—
—
40
40
—
—
ns
ns
ns
ns
Port output fall time
INT pin high or low time
GPIO change INT high or low time
25
TCY
*
†
These parameters are characterized but not tested.
Data in “Typ” column is at 5.0V, 25C unless otherwise stated.
Note 1: Measurements are taken in RC mode where CLKOUT output is 4xTOSC.
DS41190G-page 98
2010 Microchip Technology Inc.
MICROCHIP [ MICROCHIP ]
