PD17012_15 Datasheet, PDF (236/320 Pages) Renesas Technology Corp – 4-BIT SINGLE-CHIP MICROCONTROLLERS WITH DIGITAL TUNING SYSTEM HARDWARE

µPD17012, 17P012
20.3.3 Configuration and function of key source data register (KSR)
The configuration and function of the key source data register are illustrated below.
Name
Data buffer
Symbol
DBF3
DBF2
DBF1
DBF0
Address
0CH
0DH
0EH
0FH
Bit
b3 b2 b1 b0 b3 b2 b1 b0 b3 b2 b1 b0 b3 b2 b1 b0
Data
Transfer data
GET can be executed
16
PUT can be executed
Peripheral register
Name
b15 b14 b13 b12 b11 b10 b9
b8
b7
b6
b5
b4
b3
b2
b1
b0 Symbol
Peripheral
address
Peripheral
hardware
Key source
data register
Valid data
KSR
42H
Key source
controller/decoder
Selects output pin of key source signal
LCD0/KS0/PYA0 pin
LCD1/KS1/PYA1 pin
LCD2/KS2/PYA2 pin
LCD3/KS3/PYA3 pin
LCD4/KS4/PYA4 pin
LCD5/KS5/PYA5 pin
LCD6/KS6/PYA6 pin
LCD7/KS7/PYA7 pin
LCD8/KS8/PYA8 pin
LCD9/KS9/PYA9 pin
LCD10/KS10/PYA10 pin
LCD11/KS11/PYA11 pin
LCD12/KS12/PYA12 pin
LCD13/KS13/PYA13 pin
LCD14/KS14/PYA14 pin
LCD15/KS15/PYA15 pin
0
Does not output key source signal
1
Outputs key source signal
234
Data Sheet U10101EJ4V0DS