UPD78F1502AGK-GAK-AX Datasheet, PDF (13/1031 Pages) Renesas Technology Corp – 16-Bit Single-Chip Microcontrollers

16.6 Common and Segment Signals .............................................................................................. 680
16.7 Display Modes .......................................................................................................................... 687
16.7.1 Static display example................................................................................................................. 687
16.7.2 Two-time-slice display example .................................................................................................. 690
16.7.3 Three-time-slice display example ................................................................................................ 693
16.7.4 Four-time-slice display example .................................................................................................. 697
16.7.5 Eight-time-slice display example ................................................................................................. 700
16.8 Supplying LCD Drive Voltages VLC0, VLC1, VLC2, and VLC3 ............................................ 703
16.8.1 External resistance division method ............................................................................................ 703
16.8.2 Internal voltage boosting method ................................................................................................ 704
16.8.3 Capacitor split method................................................................................................................. 705
16.9 Selection of LCD Display Data ................................................................................................ 706
16.9.1 A-pattern area and B-pattern area data display .......................................................................... 706
16.9.2 Blinking display (Alternately displaying A-pattern and B-pattern area data) ................................ 707
CHAPTER 17 MULTIPLIER/DIVIDER ................................................................................................... 708
17.1
17.2
17.3
17.4
Functions of Multiplier/Divider ............................................................................................. 708
Configuration of Multiplier/Divider ....................................................................................... 708
Register Controlling Multiplier/Divider ................................................................................ 713
Operations of Multiplier/Divider............................................................................................ 714
17.4.1 Multiplication operation............................................................................................................ 714
17.4.2 Division operation .................................................................................................................... 715
CHAPTER 18 DMA CONTROLLER ..................................................................................................... 717
18.1 Functions of DMA Controller .................................................................................................. 717
18.2 Configuration of DMA Controller ............................................................................................ 718
18.3 Registers Controlling DMA Controller ................................................................................... 721
18.4 Operation of DMA Controller................................................................................................... 724
18.4.1 Operation procedure ................................................................................................................... 724
18.4.2 Transfer mode ............................................................................................................................. 725
18.4.3 Termination of DMA transfer ....................................................................................................... 725
18.5 Example of Setting of DMA Controller ................................................................................... 725
18.5.1 CSI consecutive transmission ..................................................................................................... 725
18.5.2 CSI master reception................................................................................................................... 727
18.5.3 CSI transmission/reception ......................................................................................................... 729
18.5.4 Consecutive capturing of A/D conversion results ........................................................................ 731
18.5.5 UART consecutive reception + ACK transmission ...................................................................... 733
18.5.6 Holding DMA transfer pending by DWAITn ................................................................................. 735
18.5.7 Forced termination by software ................................................................................................... 736
18.6 Cautions on Using DMA Controller ........................................................................................ 738
CHAPTER 19 INTERRUPT FUNCTIONS.............................................................................................. 740
19.1 Interrupt Function Types ......................................................................................................... 740
19.2 Interrupt Sources and Configuration ..................................................................................... 741
19.3 Registers Controlling Interrupt Functions............................................................................. 746
19.4 Interrupt Servicing Operations ............................................................................................... 764
19.4.1 Maskable interrupt acknowledgment ........................................................................................... 764
19.4.2 Software interrupt request acknowledgment ............................................................................... 766
19.4.3 Multiple interrupt servicing........................................................................................................... 767