FIGURE 2. PIN OUT ASSIGNMENT
24-Pin
TSSOP
3
5
4
7
6
8
9
10
11
12
1
2
13
14
15
16
17
18
19
20
21
22
23
24
VCC
A0/CS#
A1/SI
SO
GPIO0
GPIO1
I2C/SPI#
RX
TX
GPIO2
XTAL1
XTAL2
GPIO7/RI#
GPIO6/CD#
CTS#
RESET#
GPIO4/DSR#
GPIO5/DTR#
RTS#
IRQ#
SCL
SDA
GND
GPIO3
16-Pin
TSSOP
3
5
4
7
6
8
1
2
A0/CS#
A1/SI
SO
I2C/SPI#
RX
TX
XTAL1
XTAL2
9
10
11
12
13
14
15
16 VCC
CTS#
RESET#
RTS#
IRQ#
SCL
SDA
GND
24-Pin Q FN
123
456
GP
IO
1
I2C
/SP
I#
RX
TX
GP
IO
0
SO
11
12
7
10
8
9
XTAL2
GPIO3
GND
SDA
XTAL1
GPIO2
18 17 16 15 14 13
20
19
24
21
23
22
VCC
GPIO 7/RI#
GPIO6/CD#
CTS#
A0/CS#
A1/SI
GPI
O
5/
DTR
#
RT
S#
IRQ
#
SCL
GPI
O
4/
DSR
#
RESE
T#
16-Pin
QFN
12 34
RX
TX
I2
C/SPI#
SO
5
8
6
7 GND
SDA
XTAL2
XTAL1
12 11 10 9
16
13
15
14
VCC
CTS#
A0/CS#
A1/SI
IRQ
#
SCL
RT
S#
RES
ET
#
ORDERING INFORMATION
PART NUMBER
PACKAGE
OPERATING TEMPERATURE RANGE
DEVICE STATUS
XR20M1170IL24-F
24-pin QFN
-40°C to +85°C
Active
XR20M1170IL24TR-F
24-pin QFN
-40°C to +85°C
Active
XR20M1170IL16-F
16-pin QFN
-40°C to +85°C
Active
XR20M1170IL16TR-F
16-pin QFN
-40°C to +85°C
Active
XR20M1170IG24-F
24-Lead TSSOP
-40°C to +85°C
Active
XR20M1170IG24TR-F
24-Lead TSSOP
-40°C to +85°C
Active
XR20M1170IG16-F
16-Lead TSSOP
-40°C to +85°C
Active
XR20M1170IG16TR-F
16-Lead TSSOP
-40°C to +85°C
Active
XR20M1170
2
I2C/SPI UART WITH 64-BYTE FIFO
REV. 1.1.0
NOTE: TR = Tape and Reel, F = Green / RoHS