xr20v2172 Exar Corporation, xr20v2172 Datasheet - Page 43
xr20v2172
Manufacturer Part Number
xr20v2172
Description
Two Channel I2c/spi Uart With 64-byte Fifo And Rs232 Transceiver
Manufacturer
Exar Corporation
Datasheet
1.XR20V2172.pdf
(53 pages)
- Current page: 43 of 53
- Download datasheet (2Mb)
REV. 1.0.0
F
F
F
IGURE
IGURE
IGURE
16. SCL D
17. I C-B
18. W
Protocol
SDA
SCL
2
RITE
RESET#
GPIOn
SDA
US
ELAY
T
SCL
T
O
T
SU;STA
T
BUF
O
IMING
condition
START
UTPUT
A
TWO CHANNEL I2C/SPI UART WITH 64-BYTE FIFO AND RS232 TRANSCEIVER
(S)
T
FTER
HD;STA
D
IAGRAM
ADDRESS
R
SLAVE
ESET
T
T
LOW
R
MSB
Bit 7
(A7)
T
HIGH
W
T
T
SU;DAT
F
1/F
A
Bit 6
(A6)
SCL
IOSTATE REG.
T
43
HD;DAT
T
D15
(R/W)
Bit 0
LSB
A
T
VD;DAT
Acknowledge
T
SP
DATA
(A)
T
VD;ACK
condition
T
A
STOP
D1
(P)
T
SU;STO
XR20V2172
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