BU92001KN Datasheet, PDF (3/5 Pages) Rohm – Silicon Monolithic Integrated Circuit

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ɾDimensions Diagram (VQFN20)
Note) The dotted line part is not recommend mounting.
ɾPin Descriptions
Pin No. Terminal Name
1
U_TXD
2
U_RXD
3
-
4
BRSET
5
CLK
6
-
7
CLKSEL0
8
CLKSEL1
9
GND
10
-
11
CLK47OUT
12
CLK2OUT
13
-
14
IR_RXD
15
IR_TXD
16
-
17
VDD
18
RST
19
-
20
-
Fig.1
(Units:mm)
I/O
Function
I UART TXD signal input
O UART TXD signal output
- N.C
I Setup of baud rate (active Hi)
I Clock input (27.8MHz)
- N.C
I Input clock selection
I Input clock selection
- Ground
- N.C
0 The 1/47 clock output of the clock input
0 The 1/2 clock output of the clock input
- N.C
I IrDA RXD signal input
O IrDA TXD signal output
- N.C
- Power supply voltage (2.5Vʙ3.5V)
I Reset input (active Hi)
- N.C
- N.C
Terminal Equivalent Circuit
B
A
-
B
B
-
B
B
-
-
A
A
-
B
A
-
-
B
-
-
ɾTerminal equivalent circuit diagram
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REV. B