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HD6433644R Datasheet(PDF) 387 Page - Renesas Technology Corp

Part # HD6433644R
Description  8-Bit Single-Chip Microcomputer
PDF  549 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

HD6433644R Datasheet(HTML) 387 Page - Renesas Technology Corp

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Section 13 Electrical Characteristics
Rev. 6.00 Sep 12, 2006 page 367 of 526
REJ09B0326-0600
13.2.3
AC Characteristics (HD6473644)
Table 13.3 lists the control signal timing, and tables 13.4 and 13.5 list the serial interface timing of
the HD6473644.
Table 13.3 Control Signal Timing
VCC = 4.0 V to 5.5 V, VSS = 0.0 V, Ta = –20°C to +75°C, unless otherwise specified.
Applicable
Values
Reference
Item
Symbol
Pins
Min Typ
Max
Unit
Test Condition
Figure
System clock
oscillation frequency
fOSC
OSC1, OSC2 2
10
MHz VCC = 2.7 V to 5.5 V
OSC clock (
φOSC)
cycle time
tOSC
OSC1, OSC2 100
1000 ns
VCC = 2.7 V to 5.5 V *1
Figure 13.1
System clock (
φ)
tcyc
2
128
tOSC
VCC = 2.7 V to 5.5 V *1
cycle time
25.6
µs
Subclock oscillation
frequency
fW
X1, X2
32.768
kHz
VCC = 2.7 V to 5.5 V
Watch clock (
φW)
cycle time
tW
X1, X2
30.5
µs
VCC = 2.7 V to 5.5 V
Subclock (
φSUB)
cycle time
tsubcyc
2
8
tW
VCC = 2.7 V to 5.5 V *2
Instruction cycle
time
2
tcyc
tsubcyc
VCC = 2.7 V to 5.5 V
Oscillation
trc
OSC1, OSC2
40
ms
stabilization time
(crystal resonator)
60
VCC = 2.7 V to 5.5 V
Oscillation
trc
OSC1, OSC2
20
ms
stabilization time
(ceramic resonator)
40
VCC = 2.7 V to 5.5 V
Oscillation stabilization
time
trc
X1, X2
2
s
VCC = 2.7 V to 5.5 V
External clock high
width
tCPH
OSC1
40
ns
VCC = 2.7 V to 5.5 V Figure 13.1
External clock low
width
tCPL
OSC1
40
ns
VCC = 2.7 V to 5.5 V
External clock rise
time
tCPr
15
ns
VCC = 2.7 V to 5.5 V
External clock fall
time
tCPf
15
ns
VCC = 2.7 V to 5.5 V
Pin
RES low width
tREL
RES
10
tcyc
VCC = 2.7 V to 5.5 V Figure 13.2



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