CMT2380F64
www. cmostek. com
Rev 0.3 | 29 / 83
1. Guaranteed by design and comprehensive evaluation, not tested in production.
2. Relying on f
PCLK
.
For example, if f
PCLK
=8 MHz, then T
PCLK
=1/f
PCLK
=125 ns.
3. FS value audio sampling frequency, frequency range 8 KHz ~ 96 KHz.
I
2
S slave mode timing diagram (Philipsprotocol)
(1)
1. The measuring point is set at the CMOS level: 0. 3 V
DD
and 0. 7 V
DD
.
2. Send/receive the lowest bit of the previous byte. There is no send/receive at the lowest level until the first byte.
I
2
S
master mode timing diagram
(Philipsprotocol)
(1)
1. The measuring point is set at the CMOS level: 0.3 V
DD
and 0.7 V
DD
.
Last bit transmit
(2)
Last bit receive
(2)
MSB transmit
MSB receive
Bit n transmit
Bit n receive
Last bit
transmit
Last bit
receive
CLKPOL=0
WS input
SD transmit
CLKPOL=1
SD receive
t
su(WS)
t
c(CLK)
t
w(CLKH)
t
w(CLKL)
t
v(SD_ST)
t
h(SD_ST)
t
su(SD_SR)
t
h(SD_SR)
t
h(WS)
Last bit transmit
(2)
Last bit receive
(2)
MSB transmit
MSB receive
Bit n transmit
Bit n receive
Last bit
transmit
Last bit
receive
CLKPOL=0
WS input
SD transmit
CLKPOL=1
SD receive
t
su(WS)
t
c(CLK)
t
w(CLKH)
t
w(CLKL)
t
v(SD_MT)
t
h(SD_ST)
t
su(SD_SR)
t
h(SD_MR)
t
h(WS)
t
f(CLK)
t
r(CLK)
t
h(SD_MR )
(1)(2)
Data entry
retention time
master receiver
0
-
-
t
h(SD_SR)
(1)(2)
Slave receiver
0
-
-
t
v(SD_ST)
(1)(2)
Valid time of data
output
Slave transmitter
(after the enabled edge)
-
-
29.76
ns
t
h(SD_ST)
(1)
Data output
retention time
Slave generator
(after the enabled edge)
0
-
-
t
v(SD_MT)(1)(2)
Valid time of data
output
master generator
(after the enabled edge)
-
-
13.6
t
h(SD_MT)
(1)
Data output
retention time
master generator
(after the enabled edge)
-6.5
-
-