參數(shù)資料
型號： PIC16CR7X
廠商： Microchip Technology Inc.
英文描述： 28/40-Pin, 8-Bit CMOS ROM Microcontrollers
中文描述： 28/40-Pin，8位微控制器的CMOS光盤
文件頁數(shù)： 127/172頁
文件大?。?/td> 1506K
代理商： PIC16CR7X
2007 Microchip Technology Inc.
DS21993C-page 125
PIC16CR7X
FIGURE 15-4:
CLKOUT AND I/O TIMING
TABLE 15-2:
CLKOUT AND I/O TIMING REQUIREMENTS
Param
No.
Symbol
Characteristic
Min
Typ
Max
Units Conditions
10*
11*
12*
13*
14*
15*
16*
17*
18*
TosH2ckL
TosH2ckH
TckR
TckF
TckL2ioV
TioV2ckH
TckH2ioI
TosH2ioV
TosH2ioI
OSC1
↑
to CLKOUT
↓
OSC1
↑
to CLKOUT
↑
CLKOUT rise time
CLKOUT fall time
CLKOUT
↓
to Port out valid
Port in valid before CLKOUT
↑
Port in hold after CLKOUT
↑
OSC1
↑
(Q1 cycle) to Port out valid
OSC1
↑
(Q2 cycle) to
Port input invalid (I/O in
hold time)
Port input valid to OSC1
↑
(I/O in setup time)
Port output rise time
—
—
—
—
—
75
75
35
35
—
—
—
100
—
—
200
200
100
100
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
(Note 1)
(Note 1)
(Note 1)
(Note 1)
(Note 1)
(Note 1)
(Note 1)
0.5T
CY
+ 20
—
—
255
—
—
T
OSC
+ 200
0
—
100
200
Standard (
5V
)
Extended (
3V
)
19*
20*
TioV2osH
TioR
0
—
—
—
—
T
CY
T
CY
—
10
—
10
—
—
—
—
40
145
40
145
—
—
ns
ns
ns
ns
ns
ns
ns
Standard (
5V
)
Extended (
3V
)
Standard (
5V
)
Extended (
3V
)
21*
TioF
Port output fall time
22*
23*
Tinp
Trbp
These parameters are characterized but not tested.
Data in “Typ” column is at 5V, 25°C unless otherwise stated. These parameters are for design guidance only and are
not tested.
These parameters are asynchronous events, not related to any internal clock edges.
1:
Measurements are taken in RC mode, where CLKOUT output is 4 x T
OSC
.
INT pin high or low time
RB7:RB4 change INT high or low time
*
Note
Note:
Refer to Figure 15-2 for load conditions.
OSC1
CLKOUT
I/O Pin
(Input)
I/O Pin
(Output)
Q4
Q1
Q2
Q3
10
13
14
17
20, 21
19
18
15
11
12
16
Old Value
New Value
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