参数资料
型号: PCM3794RHBTG4
厂商: TEXAS INSTRUMENTS INC
元件分类: 通信及网络
英文描述: SPECIALTY TELECOM CIRCUIT, PQCC32
封装: 5 X 5 MM, GREEN, PLASTIC, QFN-32
文件页数: 21/67页
文件大小: 1417K
代理商: PCM3794RHBTG4
www.ti.com
R0002-02
M: Master Device S: Slave Device St: Start Condition
Sr: Repeated Start Condition ACK: Acknowledge Sp: Stop Condition NACK: Not Acknowledge
W: Write R: Read
Transmitter
M
S
Data Type
St
Slave Address
W
ACK
M
Reg Address
M
Sr
M
Slave Address
S
ACK
M
R
S
ACK
M
Sp
M
NACK
S
Read Data
Timing Diagram
SDA
SCL
t(BUF)
t(D-SU)
t(D-HD)
Start
t(LOW)
t(S-HD)
t(SCL-F)
t(SCL-R)
t(HI)
t(RS-SU)
t(RS-HD)
t(SDA-F)
t(SDA-R)
t(P-SU)
Stop
t(SP)
T0050-03
SLES193C – AUGUST 2006 – REVISED FEBRUARY 2007
NOTE: The slave address after the repeated start condition must be the same as the previous slave address.
Figure 34. Read Operation
PARAMETERS
CONDITIONS
MIN
MAX
UNIT
fSCL
SCL clock frequency
Standard
100
kHz
t(BUF)
Bus free time between a STOP and START condition
Standard
4.7
s
t(LOW)
Low period of the SCL clock
Standard
4.7
s
t(HI)
High period of the SCL clock
Standard
4
s
t(RS-SU)
Setup time for START condition
Standard
4.7
s
t(S-HD)
Hold time for START condition
Standard
4
s
t(D-SU)
Data setup time
Standard
250
ns
t(D-HD)
Data hold time
Standard
0
900
ns
t(SCL-R)
Rise time of SCL signal
Standard
20 + 0.1 CB
1000
ns
t(SCL-R1)
Rise time of SCL signal after a repeated START condition and
Standard
20 + 0.1 CB
1000
ns
after an acknowledge bit
t(SCL-F)
Fall time of SCL signal
Standard
20 + 0.1 CB
1000
ns
t(SDA-R)
Rise time of SDA signal
Standard
20 + 0.1 CB
1000
ns
t(SDA-F)
Fall time of SDA signal
Standard
20 + 0.1 CB
1000
ns
t(P-SU)
Setup time for STOP condition
Standard
4
s
CB
Capacitive load for SDA and SCL line
400
pF
t(SP)
Pulse duration of suppressed spike
25
ns
Figure 35. I2C Interface Timing
28
相关PDF资料
PDF描述
PCM3794RHBT SPECIALTY TELECOM CIRCUIT, PQCC32
PCM9211PTR DATACOM, TOKEN RING TRANSCEIVER, PQFP48
PCM9211PT DATACOM, TOKEN RING TRANSCEIVER, PQFP48
PCN11MF STRIP TERMINAL BLOCK, 1 DECK
PCN12E-32S-2.54DSA 32 CONTACT(S), FEMALE, STRAIGHT TWO PART EURO CONNECTOR, SOLDER, SOCKET
相关代理商/技术参数
参数描述
PCM-38 功能描述:电线鉴定 Pre-Printed WM Card, Vinyl Cloth, .22" W RoHS:否 制造商:TE Connectivity / Q-Cees 产品:Labels and Signs 类型: 材料:Vinyl 颜色:Blue 宽度:0.625 in 长度:1 in
PCM-380 制造商:Panduit Corp 功能描述:
PCM-3810I-AE 制造商:Advantech Co Ltd 功能描述:250 KS/S, 12-BIT, MULTIFUNCTION PCI-10 - Bulk 制造商:Advantech Co Ltd 功能描述:250 kS/s, 12-bit, Multifunction PCI-104 module
PCM-3813I-AE 制造商:Advantech Co Ltd 功能描述:100 kS/s, 12-bit, 32 channel, Analog Input PCI-104 Module
PCM-383 制造商:Panduit Corp 功能描述: