XR20M1280L32-0B Datasheet, PDF (3/63 Pages) Exar Corporation – I2C/SPI UART WITH 128-BYTE FIFO AND INTEGRATED LEVEL SHIFTERS

REV. 1.0.0
XR20M1280
I2C/SPI UART WITH 128-BYTE FIFO AND INTEGRATED LEVEL SHIFTERS
FIGURE 2. PIN OUT ASSIGNMENTS
VCC_BUS
I2C/SPI# 1
ENIR# 2
NC 3
SDA 4
SCL 5
IRQ# 6
A1 7
A0 8
NC 9
RESET# 10
XR20M1280IL40
I²C Mode
30 RI#/GPIO3
29 GND
28 VCC_UART
27 GPIO15
26 GPIO14
25 GPIO13
24 GPIO4
23 GPIO5
22 GPIO6
21 GPIO7
GND
I2C/SPI# 1
ENIR# 2
SO 3
GND 4
SCL 5
IRQ# 6
SI 7
CS# 8
NC 9
RESET# 10
XR20M1280IL40
SPI Mode
30 RI#/GPIO3
29 GND
28 VCC_UART
27 GPIO15
26 GPIO14
25 GPIO13
24 GPIO4
23 GPIO5
22 GPIO6
21 GPIO7
VCC_BUS
I2C/SPI# 1
ENIR# 2
NC 3
SDA 4
SCL 5
IRQ# 6
A1 7
A0 8
XR20M1280IL32
I²C Mode
24 DSR#/GPIO1
23 CD#/GPIO2
22 RI#/GPIO3
21 VCC_UART
20 GPIO4
19 GPIO5
18 GPIO6
17 GPIO7
GND
I2C/SPI# 1
ENIR# 2
SO 3
GND 4
SCL 5
IRQ# 6
SI 7
CS# 8
XR20M1280IL32
SPI Mode
24 DSR#/GPIO1
23 CD#/GPIO2
22 RI#/GPIO3
21 VCC_UART
20 GPIO4
19 GPIO5
18 GPIO6
17 GPIO7
VCC_BUS
NC 1
SDA 2
SCL 3
IRQ# 4
A1 5
A0 6
18 CD#/GPIO2
17 RI#/GPIO3
XR20M1280 _{16 VCC_UART}
IL24
15 RTS#
I²C Mode 14 _RX
13 TX
GND
SO 1
GND 2
SCL 3
IRQ# 4
SI 5
CS# 6
18 CD#/GPIO2
17 RI#/GPIO3
XR20M1280 _{16 VCC_UART}
IL24
15 RTS#
SPI Mode 14 RX
13 TX
3