YAS525B
Pin Description
Here is a figure for pin assignment and a table for pin descriptions.
3
2
1
8
5
6
7
7
5
6
8
3
2
1
4
4
8Pin WLCSP Top View
8Pin WLCSP Bottom View
Pin Descriptions
Pin No.
Name
I/O
Function
1
T2
I+
Test input
(Use in non-connection)
2
VSS
-
Ground
3
T1
I+
Test mode
(Use in non-connection)
4
SCL
Is
Serial Clock
5
NC
-
Non-connection
6
VDD
-
Power supply
(typ 3V)
7
NC
-
Non-connection
8
SDA
Is/Od
Serial data
Note: Pin 1 and pin 3 are used in non-connection.
Pin 5 is connected to pin 7 in the chip.
I+ : Input with pull-up resistor
Is : Schmitt trigger input
Od : Open drain output
Pin Functions
Power Supply (VDD, VSS)
These pins are for power supply of YAS525B.
Serial Data Interface (SCL, SDA)
SCL
－
Serial clock input pin.
This pin is used with an external pull-up register.
SDA
－
Serial data input/output pin.
This pin is used with an external pull-up register.
Others (T1, T2)
T1
T2
－
Test mode control pin.
Use this pin in non-connection.
－
Test input pin.
Use this pin in non-connection.
2
YAMAHA [ YAMAHA CORPORATION ]
