XR19L222
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
XR19L222IL64
64-pin QFN
-40°C to +85°C
Active
64
63
62
61
60
59
58
57
56
55
54
53
1
2
3
4
5
6
7
8
9
10
11
12
48
47
46
45
44
43
42
41
40
39
38
37
29
30
31
32
17
18
19
20
21
22
23
24
CTSA
GND
CTSB
RTSB
D5
D6
D7
RXBSEL
TXB
RXB
CSA#
CSB#
TXD
B
I/
M
#
RT
SA
RXD
B
GN
D
XTAL1
XT
A
L
2
IOW
#
FAS
T
GN
D
IOR
#
R_
EN
VCC
RESET
C2+
C2-
TXDA
INTA
INTB
DTRA
DSRA
A0
A1
A2
D4
D3
D2
D1
D0
C3
B
C3A
VCC
VREF
+
XR19L222
64-pin QFN
Intel Bus Mode
13
14
15
16
PWRSAVE
DTRB
RIB
DSRB
25
26
27
28
AC
P
NC
VRE
F
-
NC
36
35
34
33
RXDA
GND
NC
52
51
50
49
C1+
C1-
NC
RI
A
CD
A
CD
B
VCC
64
63
62
61
60
59
58
57
56
55
54
53
1
2
3
4
5
6
7
8
9
10
11
12
48
47
46
45
44
43
42
41
40
39
38
37
29
30
31
32
17
18
19
20
21
22
23
24
CTSA
GND
CTSB
RTSB
D5
D6
D7
RXBSEL
TXB
RXB
CS#
A3
TX
D
B
I/
M
#
RTSA
RXD
B
GN
D
XTAL1
XT
AL2
R/W
#
FA
S
T
GN
D
NC
R_EN
VCC
RESET#
C2+
C2-
TXDA
IRQ#
NC
DTRA
DSRA
A0
A1
A2
D4
D3
D2
D1
D0
C3B
C3A
VC
C
VREF+
XR19L222
64-pin QFN
Motorola Bus Mode
13
14
15
16
PWRSAVE
DTRB
RIB
DSRB
25
26
27
28
AC
P
NC
VR
EF
-
NC
36
35
34
33
RXDA
GND
NC
52
51
50
49
C1+
C1-
NC
RI
A
CDA
CDB
GND