参数资料
型号: TAS5508PAGR
厂商: TEXAS INSTRUMENTS INC
元件分类: 消费家电
英文描述: SPECIALTY CONSUMER CIRCUIT, PQFP64
封装: GREEN, PLASTIC, TQFP-64
文件页数: 60/105页
文件大小: 1286K
代理商: TAS5508PAGR
4.7.3
I
2C Serial Control Port Operation
SCL
SDA
t
w(H)
t
w(L)
t
r
t
f
t
su1
t
h1
T0027-01
SCL
SDA
t
h2
t
(buf)
t
su2
t
su3
Start
Condition
Stop
Condition
T0028-01
TAS5508
8-Channel Digital Audio PWM Processor
SLES091D – FEBRUARY 2004 – REVISED JULY 2009
www.ti.com
Timing characteristics for I
2C interface signals over recommended operating conditions
PARAMETER
TEST CONDITIONS
MIN
MAX
UNIT
fSCL
Frequency, SCL
No wait states
400
kHz
tw(H)
Pulse duration, SCL high
0.6
s
tw(L)
Pulse duration, SCL low
1.3
s
tr
Rise time, SCL and SDA
300
ns
tf
Fall time, SCL and SDA
300
ns
tsu1
Setup time, SDA to SCL
100
ns
th1
Hold time, SCL to SDA
0
ns
t(buf)
Bus free time between stop and start condition
1.3
s
tsu2
Setup time, SCL to start condition
0.6
s
th2
Hold time, start condition to SCL
0.6
s
tsu3
Setup time, SCL to stop condition
0.6
s
CL
Load capacitance for each bus line
400
pF
Figure 4-2. SCL and SDA Timing
Figure 4-3. Start and Stop Conditions Timing
Electrical Specifications
58
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