參數(shù)資料
型號(hào): TS68HC901
廠商: 意法半導(dǎo)體
英文描述: HCMOS Multi-Function Peripheral(HCMOS多功能外圍)
中文描述: HCMOS多功能外設(shè)(HCMOS多功能外圍)
文件頁(yè)數(shù): 40/42頁(yè)
文件大小: 368K
代理商: TS68HC901
Figure 34
: INTR Test Load
CRYSTAL PARAMETERS :
Parallel resonance, fundamental mode AT cut
R
S
150
(F
R
= 2.8 – 5.0MHz);
R
S
300
(F
R
= 2.0 – 2.7MHz)
C
L
= 18pf ; C
M
= 0.02pf ; C
h
= 5pf ; L
M
= 96mH
F
R
(typ) = 2.4576MHz
Figure 35
: External Oscillator Components
CAPACITANCE
T
A
= 25
°
C, f = 1MHzunmeasured pins returned to ground.
Symbol
C
IN
C
OUT
Parameter
Test Condition
Max.
10
10
Unit
pF
pF
Input Capacitance
Tri-state Output Capacitance
Unmeasured pins returned to
ground
For all outputs except DTACK
C
L
= 100pf
R
L
= 20k
R
1
= 1.9k
For DTACK
C
L
= 130pf
R
L
= 6k
R
1
= 740
Figure 33
: Typical Test Load
OTHER POSSIBLE CONFIGURATION:
XTAL1 driven with a CMOS clock and XTAL2 not connec-
ted
Figure 36
: External Clock Connection.
Symbol
Parameter
Value
5MHz
Min.
1.0
200
90
-
Unit
4MHz
8MHz
Min.
1.0
250
110
-
Max.
4.0
1000
480
15
Max.
5.0
1000
480
10
Min.
1.0
125
55
-
Max.
8.0
1000
480
10
f
t
cyc
t
CL
, t
CH
t
Cr
, t
Cf
Frequency of Operation
Cycle Time
Clock Pulse Width
Rise and Fall Times
MHz
ns
ns
ns
CLOCK TIMING
TS68HC901
40/42
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