ELECTRICAL DATA S3C8275X/F8275X/C8278X/F8278X/C8274X/F8274X
17-10
Table 17-8. Main Oscillation Characteristics
(TA = − 25°C to + 85
°C)
Oscillator Clock Configuration Parameter Test Condition Min Typ Max Units
Crystal
X
IN
C1
X
OUT
Main oscillation
frequency 2.5 V − 3.6 V 0.4 − 8 MHz
2.0 V − 3.6 V 0.4 − 4.2
Ceramic
oscillator
X
IN
C1
X
OUT
Main oscillation
frequency 2.5 V − 3.6 V 0.4 − 8
2.0 V − 3.6 V 0.4 − 4.2
External
clock
X
IN
X
OUT
XIN input frequency 2.5 V − 3.6 V 0.4 − 8
2.0 V − 3.6 V 0.4 − 4.2
RC
oscillator
X
IN
X
OUT
R
Frequency 3.3 V 0.4
− 1 MHz
Table 17-9. Sub Oscillation Characteristics
(TA = − 25°C to + 85
°C)
Oscillator Clock Configuration Parameter Test Condition Min Typ Max Units
Crystal
XT
IN
C1
XT
OUT
V
REG
104
Sub oscillation
frequency 2.0 V − 3.6 V 32 32.768 35
External
clock
XT
IN
XT
OUT
XTIN input
frequency
2.0 V − 3.6 V 32 − 100
kHz