參數資料
型號: PIC12C67X
廠商: Microchip Technology Inc.
英文描述: 8-Pin, 8-Bit CMOS Microcontroller with A/D Converter and EEPROM Data Memory
中文描述: 8引腳,8位CMOS微控制器與A / D轉換器和EEPROM數據存儲器
文件頁數: 102/129頁
文件大?。?/td> 931K
代理商: PIC12C67X
PIC12C67X
DS30561B-page 102
1999 Microchip Technology Inc.
FIGURE 12-6: CLKOUT AND I/O TIMING
TABLE 12-3:
CLKOUT AND I/O TIMING REQUIREMENTS
Param
No.
10*
Sym
Characteristic
Min
Typ
Max
Units Conditions
TosH2ckL
TosH2ckH OSC1
to CLKOUT
TckR
CLKOUT rise time
TckF
CLKOUT fall time
TckL2ioV
CLKOUT
to Port out valid
TioV2ckH
Port in valid before CLKOUT
TckH2ioI
Port in hold after CLKOUT
TosH2ioV
OSC1
(Q1 cycle) to Port out valid
TosH2ioI
OSC1
(Q2 cycle) to Port
input invalid (I/O in hold
time)
TioV2osH Port input valid to OSC1
(I/O in setup
time)
TioR
Port output rise time
OSC1
to CLKOUT
75
75
35
35
50
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
11*
12*
13*
14*
0.5T
CY
+ 20
150
15*
T
OSC
+ 200
0
100
200
16*
17*
18*
PIC12
C
67X
PIC12
LC
67X
18A*
19*
0
ns
20*
PIC12
C
67X
PIC12
LC
67X
PIC12
C
67X
PIC12
LC
67X
T
CY
T
CY
10
10
40
80
40
80
ns
ns
ns
ns
ns
ns
20A*
21*
TioF
Port output fall time
21A*
22*
Tinp
Trbp
GP2/INT pin high or low time
GP0/GP1/GP3 change INT high or low
time
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 edge.
Measurements are taken in EXTRC and INTRC modes where CLKOUT output is 4 x T
OSC
.
23*
*
Note 1:
Note:
Refer to Figure 12-4 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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