XR19L202
2
TWO CHANNEL INTEGRATED UART AND RS-232 TRANSCEIVER
REV. 1.0.1
FIGURE 2. PIN OUT OF THE DEVICE
ORDERING INFORMATION
PART NUMBER
PACKAGE
OPERATING TEMPERATURE RANGE
DEVICE STATUS
XR19L202IL48
48-pin QFN
-40°C to +85°C
Active
48
47
46
45
44
42
1
2
3
4
5
6
7
8
9
10
11
12
36
35
34
33
32
31
30
29
28
27
26
25
GND
N.C.
D5
D6
D7
RXBSEL
RXB
CSA#
TXB
CSB#
PWRSAVE
FAST
IOW
#
GN
D
IO
R
#
R_
EN
AC
P
VR
EF
N
TX
D
B
I/
M
#
N.
C
.
C2P
RESET
C2N
TXDA
INTA
INTB
A0
A1
A2
RXDA
GND
RXDB
N.
C.
D4
D3
D2
D1
D0
C3
VC
C
VREF
P
C1
P
C1
N
VC
C
XR19L202
48- pin QFN
13
14
15
16
17
18
19
20
21
22
23
24
XTAL
1
XTAL
2
37
38
39
40
41
43
VCC
Intel Bus Mode
48
47
46
45
44
42
1
2
3
4
5
6
7
8
9
10
11
12
36
35
34
33
32
31
30
29
28
27
26
25
GND
N.C.
D5
D6
D7
RXBSEL
RXB
CS#
TXB
A3
PWRSAVE
FAS
T
R/W
#
GND
N.C
.
R_E
N
AC
P
VRE
F
N
TX
DB
I/M
#
N.
C
.
C2P
RESET#
C2N
TXDA
IRQ#
N.C.
A0
A1
A2
RXDA
GND
RXDB
N.
C.
D4
D3
D2
D1
D0
C3
VCC
VR
E
F
P
C1
P
C1N
VC
C
XR19L202
48- pin QFN
13
14
15
16
17
18
19
20
21
22
23
24
XTA
L
1
XTA
L
2
37
38
39
40
41
43
GND
Motorola Bus Mode