参数资料
型号: SC493ULTRT
厂商: Semtech
文件页数: 25/28页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM MLPQ-20
标准包装: 1
系列: EcoSpeed®, SmartDrive™
PWM 型: 控制器
输出数: 1
频率 - 最大: 1MHz
电源电压: 3 V ~ 5.5 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: -40°C ~ 85°C
封装/外壳: 20-MLPQ
包装: 标准包装
其它名称: SC493ULTRTDKR
SC493
Serial Interface (continued)
I 2 C Direct Format Write
S
Slave Address
W
A
Register Address
A
Data
A
P
S – Start Condition
W – Write = ‘0’
A – Acknowledge (sent by slave)
P – Stop condition
Slave Address – 7-bit
Register address – 8-bit
Data – 8-bit
I 2 C Stop Separated Format Read
Register Address Setup Access
Master Addresses
other Slaves
Register Read Access
S Slave Address W A   Register Address  A  P  S
Slave Address B
S/Sr
Slave Address
R A
Data
NACK P
S – Start Condition
W – Write = ‘0’
R – Read = ‘1’
A – Acknowledge (sent by slave)
NAK – Non-Acknowledge (sent by master)
Sr – Repeated Start condition
P – Stop condition
I 2 C Combined Format Read
Slave Address – 7-bit
Register address – 8-bit
Data – 8-bit
S
Slave Address
W A
Register Address
A Sr
Slave Address
R
A
Data
NACK P
S – Start Condition
W – Write = ‘0’
R – Read = ‘1’
A – Acknowledge (sent by slave)
NAK – Non-Acknowledge (sent by master)
Sr – Repeated Start condition
P – Stop condition
Slave Address – 7-bit
Register address – 8-bit
Data – 8-bit
25
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