参数资料
型号: EVAL-ADUC7023QSPZ
厂商: Analog Devices Inc
文件页数: 78/96页
文件大小: 0K
描述: KIT DEV FOR ADUC7023 QUICK START
标准包装: 1
类型: MCU
适用于相关产品: ARM7TDMI
所含物品:
ADuC7023
Data Sheet
| Page 8 of 96
TIMING SPECIFICATIONS
Table 2. I2C Timing in Fast Mode (400 kHz)
Slave
Master
Parameter
Description
Min
Max
Typ
Unit
tL
SCL low pulse width
200
1360
ns
tH
SCL high pulse width
100
1140
ns
tSHD
Start condition hold time
300
ns
tDSU
Data setup time
100
740
ns
tDHD
Data hold time
0
400
ns
tRSU
Setup time for repeated start
100
ns
tPSU
Stop condition setup time
100
800
ns
tBUF
Bus-free time between a stop condition and a start condition
1.3
μs
tR
Rise time for both SCL and SDA
300
200
ns
tF
Fall time for both SCL and SDA
300
ns
Table 3. I2C Timing in Standard Mode (100 kHz)
Slave
Parameter
Description
Min
Max
Unit
tL
SCL low pulse width
4.7
μs
tH
SCL high pulse width
4.0
ns
tSHD
Start condition hold time
4.0
μs
tDSU
Data setup time
250
ns
tDHD
Data hold time
0
3.45
μs
tRSU
Setup time for repeated start
4.7
μs
tPSU
Stop condition setup time
4.0
μs
tBUF
Bus-free time between a stop condition and a start condition
4.7
μs
tR
Rise time for both SCL and SDA
1
μs
tF
Fall time for both SCL and SDA
300
ns
08
675
-00
2
SDA (I/O)
MSB
LSB
ACK
MSB
1
9
8
2–7
1
PS
S(R)
tR
tF
tRSU
tDSU
tPSU
tBUF
tH
tF
tR
tDHD
tSHD
tSUP
tL
tSUP
REPEATED
START
CONDITION
STOP
CONDITION
SCL (I)
Figure 2. I2C-Compatible Interface Timing
Rev. E
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