XR20M1170 Datasheet, PDF (2/60 Pages) Exar Corporation – I2C/SPI UART WITH 64-BYTE FIFO

XR20M1170
I2C/SPI UART WITH 64-BYTE FIFO
FIGURE 2. PIN OUT ASSIGNMENT
REV. 1.0.0
CTS#
GPIO6/CD#
GPIO7/RI#
VCC
A0/CS#
A1/SI
SO
21 20 19 18 17 16 15
22
14
23
13
24
12
25
28-Pin QFN
11
26
10
27
9
28
8
1234567
SCL
SDA
GND
GPIO3
XTAL2
XTAL1
NC
18 17 16 15 14 13
CTS# 19
12
GPIO6/CD# 20
11
GPIO7/RI# 21 _{24-Pin QFN} 10
VCC 22
9
A0/CS# 23
8
A1/SI 24
7
123456
SDA
GND
G P IO 3
XTAL2
XTAL1
G P IO 2
12 11 10 9
CTS# 13
8 SDA
VCC 14 ^16-Pin
A0/CS# 15 ^QFN
7 GND
6 XTAL2
A1/SI 16
5 XTAL1
1234
VCC 1
A0/CS# 2
A1/SI 3
SO 4
GPIO0 5
GPIO1 6
I2C/SPI# 7
RX 8
TX 9
GPIO2 10
XTAL1 11
XTAL2 12
24-Pin
TSSOP
24 GPIO7/RI#
23 GPIO6/CD#
22 CTS#
21 RESET#
20 GPIO4/DSR#
19 GPIO5/DTR#
18 RTS#
17 IRQ#
16 SCL
15 SDA
14 GND
13 GPIO3
A0/CS# 1
A1/SI 2
SO 3
I2C/SPI# 4
RX 5
TX 6
XTAL1 7
XTAL2 8
16-Pin
TSSOP
16 VCC
15 CTS#
14 RESET#
13 RTS#
12 IRQ#
11 SCL
10 SDA
9 GND
2