FIGURE 2. PIN OUT " />
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參數(shù)資料
型號: |
XR19L402IL48-F |
廠商: |
Exar Corporation |
文件頁數(shù): |
12/49頁 |
文件大?。?/td>
| 0K |
描述: |
IC UART/TXRX RS485 48QFN |
標準包裝: |
260 |
特點: |
*
|
通道數(shù): |
2,DUART
|
FIFO's: |
64 字節(jié)
|
規(guī)程: |
RS485
|
電源電壓: |
3.3V,5V
|
帶自動流量控制功能: |
是
|
帶IrDA 編碼器/解碼器: |
是
|
帶故障啟動位檢測功能: |
是
|
帶調制解調器控制功能: |
是
|
帶CMOS: |
是
|
安裝類型: |
表面貼裝
|
封裝/外殼: |
48-VFQFN 裸露焊盤
|
供應商設備封裝: |
48-QFN-EP(7x7)
|
包裝: |
托盤
|

FIGURE 2. PIN OUT OF THE DEVICE
48
47
46
45
44
43
42
41
40
39
38
37
1
2
3
4
5
6
7
8
9
10
11
12
36
35
34
33
32
31
30
29
28
27
26
25
13
14
15
16
17
18
19
20
A0
D0
D1
D2
D3
D4
D5
D6
TX
B
D7
CSA#
#
CSB
RE
SE
T
A1
A2
RXB
TE
S
T_EN
HA
L
F
/F
UL
LB
#
VDD5
0
GN
D
XR19L 402
48 - pin QFN
Intel Bus Mode
PWRSAVE
21
22
23
24
TX
B+
VD
D
33
RX
B
S
E
L
IN
TB
IN
TA
XTAL1
XTA
L2
IO
W
#
IO
R
#
VCC
I/
M
#
AC
P
R_
E
N
GN
D
TXB-
NC
RXB+
RXB-
NC
C1-
C1+
NC
RXA-
RXA+
NC
TXA-
TXA
+
HA
L
F
/F
UL
LA
#
48
47
46
45
44
43
42
41
40
39
38
37
1
2
3
4
5
6
7
8
9
10
11
12
36
35
34
33
32
31
30
29
28
27
26
25
13
14
15
16
17
18
19
20
A0
D0
D1
D2
D3
D4
D5
D6
TX
B
D7
CS#
A3
RE
S
E
T#
A1
A2
RX
B
TE
ST
_
E
N
HALF/
F
ULL
B#
VC
C
50
GND
XR19L 402
48 - pin QFN
Motorola Bus Mode
PW RSAVE
21
22
23
24
TXB+
VCC3
3
RXBS
EL
NC
IRQ
#
XTAL
1
XTA
L2
GND
I/
M
#
ACP
R_
E
N
GN
D
TXB-
NC
RXB+
RXB-
NC
C1-
C1+
NC
RXA-
RXA+
NC
TXA-
TXA
+
HALF/
F
ULL
A#
R/
W
#
NC
ORDERING INFORMATION
PART NUMBER
PACKAGE
OPERATING TEMPERATURE RANGE
DEVICE STATUS
XR19L402IL48
48-pin QFN
-40°C to +85°C
Active
XR19L402
2
TWO CHANNEL INTEGRATED UART AND RS-485 TRANSCEIVER
REV. 1.0.3
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