參數(shù)資料
型號: PCA9501
廠商: NXP Semiconductors N.V.
英文描述: 8-bit I2C and SMBus I/O port with interrupt, 2-kbit EEPROM and 6 address pins
中文描述: 8位I2C和SMBus I / O口的中斷,2千比特的EEPROM和6個地址引腳
文件頁數(shù): 17/22頁
文件大?。?/td> 146K
代理商: PCA9501
Philips Semiconductors
8-bit I
2
C and SMBus I/O port with interrupt,
2-kbit EEPROM and 6 address pins
Product data
PCA9501
2003 Sep 12
17
handbook, full pagewidth
SCL
SDA
MBD820
BIT 0
LSB
(R/W)
tHD;STA
tSU;DAT
tHD;DAT
tVD;DAT
tSU;STO
tf
r
t
tBUF
tSU;STA
1 / fSCL
START
CONDITION
(S)
BIT 7
MSB
(A7)
BIT 6
(A6)
ACKNOWLEDGE
(A)
STOP
CONDITION
(P)
SW00561
PROTOCOL
Figure 22.
POWER-UP TIMING
SYMBOL
t
PUR1
t
PUW1
NOTE:
1. t
and t
are the delays required from the time V
CC
is stable until the specified operation can be initiated. These parameters are
guaranteed by design.
PARAMETER
MAX.
UNIT
Power-up to Read Operation
1
ms
Power-up to Write Operation
5
ms
WRITE CYCLE LIMITS
SYMBOL
t
WR1
NOTE:
1. t
WR
is the maximum time that the device requires to perform the internal write operation.
PARAMETER
MIN.
TYP.
(5)
MAX.
UNIT
Write Cycle Time
5
10
ms
Write Cycle Timing
SCL
SDA
8th Bit
Word n
ACK
Stop
Condition
Start
Condition
MEMORY
ADDRESS
t
WR
SW00560
Figure 23.
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