ASAHI KASEI
[AK4536]
SWITING CHARACTERISTICS
(Ta = 25°C; AVDD, DVDD, SVDD=2.4
∼
3.6V; C
L
=20pF)
Parameter
Symbol
min
typ
max
Units
MHz
MHz
ns
ns
ns
kHz
ns
ns
ns
ns
%
ns
ns
ns
ns
ns
ns
kHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
PLL Master Mode (PLL Reference Clock = MCKI/XTI pin) (See Figure 3, Figure 4 and Figure 5)
Crystal Resonator Frequency
fCLK
11.2896
12.288
External Clock Frequency
fCLK
11.2896
12.288
Pulse Width Low
tCLKL
0.4/fCLK
Pulse Width High
tCLKH
0.4/fCLK
AC Pulse Width (Note 23)
tACW
0.4/fCLK
FCK Frequency
fFCK
8
24
Pulse width High
tFCKH
tBCK
BICK Frequency (BCKO1-0 = “00”)
tBCK
1/16fFCK
(BCKO1-0 = “01”)
tBCK
1/32fFCK
(BCKO1-0 = “10”)
tBCK
1/64fFCK
BICK Duty
dBCK
50
0.5 x tBCK
tDBF
FCK “↑” to BICK “↑” (Note 21)
0.5 x tBCK
tDBF
FCK “↑” to BICK “↓” (Note 22)
80
tBSD
BICK “↑” to SDTO (BCKP = “0”)
80
tBSD
BICK “↓” to SDTO (BCKP = “1”)
60
tSDH
SDTI Hold Time
60
tSDS
SDTI Setup Time
PLL Slave Mode (PLL Reference Clock = FCK pin) (See Figure 6, Figure 7, Figure 8 and Figure 9)
FCK Frequency
Pulse Width High
BICK Period
BICK Pulse Width Low
Pulse Width High
FCK “↑” to BICK “↑” (Note 21)
FCK “↑” to BICK “↓” (Note 22)
BICK “↑” to FCK “↑” (Note 21)
BICK “↓” to FCK “↑” (Note 22)
BICK “↑” to SDTO (BCKP = “0”)
BICK “↓” to SDTO (BCKP = “1”)
SDTI Hold Time
SDTI Setup Time
fFCK
tFCKH
tBCK
tBCKL
tBCKH
tFCKB
tFCKB
tBFCK
tBFCK
tBSD
tBSD
tSDH
tSDS
7.35
tBCK-60
1/64fFCK
240
240
0.4 x tBCK
0.4 x tBCK
0.4 x tBCK
0.4 x tBCK
8
26
1/fFCK-tBFCK
1/16fFCK
80
80
60
60
MS0174-E-00
-9-
2002/09
AKM [ ASAHI KASEI MICROSYSTEMS ]
