xr20m1172 Exar Corporation, xr20m1172 Datasheet - Page 45

• Manufacturer Part Number: xr20m1172
• Description: Two Channel I2c/spi Uart With 64-byte Fifo
• Manufacturer: Exar Corporation

REV. 1.0.0
F
F
F
IGURE
IGURE
IGURE
21. SCL D
22. I
23. W
Protocol
SDA
SCL
2
RITE
C-B
RESET#
GPIOn
SDA
US
ELAY
T
SCL
T
O
T
SU;STA
T
BUF
O
IMING
condition
START
UTPUT
A
(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
45
HD;DAT
TWO CHANNEL I2C/SPI UART WITH 64-BYTE FIFO
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
XR20M1172