XR19L212
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
XR19L212IL48
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
CTSB
RTSB
D5
D6
D7
RXBSEL
RXB
CSA#
TXB
CSB#
PWRSAVE
FAS
T
IOW
#
GND
IO
R
#
R_
EN
AC
P
VR
EF
N
TX
D
B
I/
M
#
RT
S
A
C2P
RESET
C2N
TXDA
INTA
INTB
A0
A1
A2
RXDA
GND
RXDB
CT
S
A
D4
D3
D2
D1
D0
C3
VC
C
VR
E
F
P
C1
P
C1
N
VC
C
XR19L212
48- pin QFN
13
14
15
16
17
18
19
20
21
22
23
24
XT
AL1
XT
AL2
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
CTSB
RTSB
D5
D6
D7
RXBSEL
RXB
CS#
TXB
A3
PWRSAVE
FAS
T
R/
W#
GND
N.
C
.
R_
EN
AC
P
VR
EF
N
TX
D
B
I/
M
#
RT
S
A
C2P
RESET#
C2N
TXDA
IRQ#
N.C.
A0
A1
A2
RXDA
GND
RXDB
CT
S
A
D4
D3
D2
D1
D0
C3
VC
C
VR
E
F
P
C1
P
C1
N
VC
C
XR19L212
48- pin QFN
13
14
15
16
17
18
19
20
21
22
23
24
XT
AL1
XT
AL2
37
38
39
40
41
43
GND
Motorola Bus Mode