PD17202AGF-011_15 Datasheet, PDF (11/30 Pages) Renesas Technology Corp – 4-BIT SINGLE-CHIP MICROCONTROLLER WITH LCD CONTROLLER/DRIVER AND KEY SCAN CIRCUIT FOR FPC (FRONT PANEL CONTROLLER)

µPD17202AGF-011
3.2 Data Configuration
The data output by the key data output command consists of 30 bits.
The contents of the output data are as shown below.
Figure 3-2. Configuration of Output Data (Key Data Output)
MSB
KKKKKK
EEEEEE
YYYYYY
29 28 27 26 25 24
30 bits
KKKKKK
EEEEEE
YYYYYY
17 16 15 14 13 12
LSB
KKKKKK
EEEEEE
YYYYYY
543210
KS4
···
KS2
···
KS0
The status of the output data can be identified by the data of each bit as shown below.
Data
0
1
Status
Key off
Key on
9