MSP 34x0G
DATA SHEET
4.6.3.5. I2S-Bus Characteristics
Symbol
Parameter
Pin Name
Limit Values
Typ.
Unit
Test Conditions
Min.
0.5
−1
Max.
V
V
Input Low Voltage
Input High Voltage
Input Impedance
I2S_DA_IN1/2
I2S_CL
I2S_WS
0.2
V
V
I2SIL
SUP2
SUP2
I2SIH
Z
5
pF
µA
V
I2SI
I
Input Leakage Current
1
0 V < U
< DVSUP
INPUT
LEAKI2S
2
V
I S Output Low Voltage
I2S_CL
I2S_WS
I2S_DA_OUT
0.4
I
= 1 mA
I2SOL
I2SOH
I2SOL
I2SOH
2
V
I S Output High Voltage
V
V
I
= −1 mA
SUP2
− 0.3
2
f
f
I S-Word Strobe Output Frequency I2S_WS
32.0
kHz
I2SOWS
2
I S-Clock Output Frequency
I2S_CL
1.024
2.048
MHz
MHz
I2S_CONFIG[0] = 0
I2S_CONFIG[0] = 1
I2SOCL
2
R
I S-Clock Output High/Low-Ratio
0.9
12
1.0
1.1
I2S10/I2S20
2
t
t
t
I S Input Setup Time
I2S_CL
I2S_DA_IN1/2
ns
ns
ns
for details see Fig. 4–27
“I2S bus timing diagram”
s_I2S
before Rising Edge of Clock
2
I S Input Hold Time
40
h_I2S
d_I2S
after Rising Edge of Clock
2
I S Output Delay Time
I2S_CL
28
C = 30 pF
L
after Falling Edge of Clock
I2S_WS
I2S_DA_OUT
2
f
f
I S-Word Strobe Input Frequency
I2S_WS
I2S_CL
32.0
kHz
I2SWS
2
I S-Clock Input Frequency
1.024
2.048
1.1
MHz
I2SCL
2
R
I S-Clock Input High/Low Ratio
0.9
I2SCL
72
May 27, 2003; 6251-476-1DS
Micronas
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