Read Panasonic KX-DT521RU Service Manual online
60
KX-DT521RU/KX-DT521RU-B
96
GPIO18
(SPI_CLK)
O
LCD Serial clock
LCD control port
97
GPIO19
(SPI_CS0)
O
LCD Chip select
LCD control port
98
GPIO20
NC
O
Not in use
99
GPIO22
NC
O
Not in use
100
GPIO23
URX
I
Not in use / Software download data
Select the software download
mode by STRAP(81 pin)
mode by STRAP(81 pin)
101
GPIO24
UTX
O
Not in use / Software download data
Select the software download
mode by STRAP(81 pin)
mode by STRAP(81 pin)
102
GPIO25
NC
I/O
Not in use
103
EXGPIO0
NC
I/O
Not in use
104
QCSN0
S#
O
QSPI Flash chip select 0
QSPI Flash communication port
105
DQ3
DQ3
I/O
QSPI Flash data pin 3
QSPI Flash communication port
106
QVCC
VCC33
I
Digital system power supply (+3.3V)
107
DQ1
DQ1
I/O
QSPI Flash data pin 1
QSPI Flash communication port
108
QSCLK
C
O
QSPI Flash serial clock
QSPI Flash communication port
( 109 )
Exposed Die Pad
DG
I
Ground
Pin No.
Terminal Name
Function
I/O Setting Contents of Control
Remarks
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