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ELECTRICAL DATA
°
°
(T
= – 25
C + 85
C, V
A
Oscillator
Main crystal
f
OSC
Main ceramic
Oscillation stabilization occurs when V
to the minimum oscillator voltage range.
External clock
X
input High and Low width (t
IN
(main system)
Oscillator
t
WAIT
stabilization
wait time
t
WAIT
NOTES:
1.
f
is the oscillator frequency.
OSC
2.
The duration of the oscillation stabilization time (t
in the basic timer control register, BTCON.
6
13-
Table 13-8. Oscillation Stabilization Time
= 5.5 V)
DD
Test Condition
> 400 kHz
when released by a reset
when released by an interrupt
Instruction
Clock
1.33 MHz
1.00 MHz
670 kHz
500 kHz
250 kHz
8.32 kHz
1
Instruction Clock = 1/6n x oscillator frequency (n = 1, 2, 8, 16)
Figure 13-2. Operating Voltage Range of S3C80A5B
is equal
DD
, t
)
XH
XL
(1)
(2)
) when it is released by an interrupt is determined by the setting
WAIT
2
3
4
5
Supply Voltage (V)
Min
Typ
Max
–
–
20
–
–
10
25
–
500
16
–
–
2
/
f
OSC
–
–
–
Instruction
Clock
8 MHz
6 MHz
4 MHz
400 kHz
6
7
3C80A5B
Unit
ms
ms
ns
ms
ms
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