LH77790B User’s Guide
List of Tables
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Bit[3]: Group A, Port C (PC[7:4]) Direction...................................................................13-4
Bit[4]: Group A, Port A Direction ..................................................................................13-5
Bits[6, 5]: Group A Mode Select...................................................................................13-5
Bit[0]: Set/Reset Function ............................................................................................13-5
Bits[3:1]: Port C Bit Selection.......................................................................................13-5
Interrupt Control ...........................................................................................................13-6
PPI Operational Modes................................................................................................13-6
MODE 0 Port Configurations (Groups A and B in Mode 0)..........................................13-7
MODE 1 Port Configurations (Groups A and B in Mode 1.........................................13-10
MODE 1 Input Control Signal Definitions...................................................................13-11
MODE 1 Output Control Signal Definition..................................................................13-13
MODE 2 Port Configurations......................................................................................13-15
MODE 2 Bidirectional Control Signal Definition .........................................................13-16
MODE 0: Groups A and B are both in Mode 0...........................................................13-18
MODE 1: Groups A and B are both in Mode 1...........................................................13-18
MODE 2 .....................................................................................................................13-19
Valid Modes ...............................................................................................................13-19
MODE 1 Read Operation Configuration.....................................................................13-20
MODE 2 Read Operation Configuration.....................................................................13-21
Interrupt Controller Register Map.................................................................................14-2
Interrupt Channel Assignment......................................................................................14-3
ICR0/ICR1 Fields .........................................................................................................14-4
ICLR Fields ..................................................................................................................14-5
IRQER Fields ...............................................................................................................14-6
FIQER Fields................................................................................................................14-6
IRQSR Fields ...............................................................................................................14-7
FIQSR Fields................................................................................................................14-7
IPR Fields.....................................................................................................................14-8
Exception Vectors Summary........................................................................................14-9
I/O Configuration Register Map....................................................................................15-1
IOCR Fields..................................................................................................................15-2
SWRST Fields..............................................................................................................16-2
Register Map................................................................................................................17-1
IDR Fields ....................................................................................................................17-2
Recommended JTAG Pull-up Resistors ......................................................................18-3
The LH77790B Memory Map.......................................................................................19-1
Address Range and Base Address of Registers..........................................................19-2
LH77790B Register Summary .....................................................................................19-4