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EN6370B Datasheet(PDF) 21 Page - Sanyo Semicon Device

Part No. EN6370B
Description  LCD Display Driver with Key Input Function
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Manufacturer  SANYO [Sanyo Semicon Device]
Direct Link  https://www.sanyo-av.com/us/
Logo SANYO - Sanyo Semicon Device

EN6370B Datasheet(HTML) 21 Page - Sanyo Semicon Device

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LC75808W
No.6370-21/38
Serial Data Output
1. When CL is stopped at the low level
2. When CL is stopped at the high level
Note: B0 to B3, A0 to A3…….. CCB address ‘43H’
KD1 to KD30 .................. Key data
SA ................................... Sleep acknowledge data
Note: If a key data read operation is executed when DO is high, the read key data (KD1 to KD30) and sleep
acknowledge data(SA) will be invalid.
Output Data
1. KD1 to KD30: Key data
When a key matrix of up to 30 keys is formed from the KS1 to KS6 output pins and the KI1 to KI5 input pins and
one of those keys is pressed, the key output data corresponding to that key will be set to 1. The table shows the
relationship between those pins and the key data bits.
KI1
KI2
KI3
KI4
KI5
KS1
KD1
KD2
KD3
KD4
KD5
KS2
KD6
KD7
KD8
KD9
KD10
KS3
KD11
KD12
KD13
KD14
KD15
KS4
KD16
KD17
KD18
KD19
KD20
KS5
KD21
KD22
KD23
KD24
KD25
KS6
KD26
KD27
KD28
KD29
KD30
When the states of the KS1 to KS6 output pins during key scan standby are set to low for KS1 and KS2 and to high
for KS3 to KS6 by the KC1 to KC6 bits in the control data and a key matrix of up to 20 keys is formed from the KS3
to KS6 output pins and the KI1 to KI5 input pins, the KD1 to KD10 key data bits will be set to 0.
2. SA: Sleep acknowledge data
This output data bit is set to the state when the key was pressed. Also, while DO will be low in this case, if serial data
is input and the mode is set (to normal or sleep mode) during this period, that mode will be set. SA will be 1 in sleep
mode and 0 in normal mode.
1
0
0
0
0
1
0
X
KD1
KD2
KD27
X : don't care
KD28 KD29 KD30
SA
1
B1
B2
B3
A0
A1
A2
A3
B0
CE
CL
DI
DO
Output data
A12909
1
0
0
0
0
1
0
KD1
X
KD2
KD3
KD28
X : don't care
KD29 KD30
SA
X
1
B1
B2
B3
A0
A1
A2
A3
B0
CE
CL
DI
DO
Output data
A12910


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