HD643303x Hitachi, HD643303x Datasheet - Page 7

• Manufacturer Part Number: HD643303x
• Description: Hitachi Microcomputer
• Manufacturer: Hitachi

5.3
5.4
5.5
Section 6
6.1
6.2
6.3
6.4
Section 7
7.1
7.2
5.2.2
5.2.3
5.2.4
5.2.5
Interrupt Sources............................................................................................................. 88
5.3.1
5.3.2
5.3.3
Interrupt Operation ......................................................................................................... 92
5.4.1
5.4.2
5.4.3
Usage Notes .................................................................................................................... 99
5.5.1
5.5.2
5.5.3
Overview ........................................................................................................................ 101
6.1.1
6.1.2
6.1.3
6.1.4
Register Descriptions...................................................................................................... 104
6.2.1
6.2.2
6.2.3
Operation ........................................................................................................................ 107
6.3.1
6.3.2
6.3.3
6.3.4
Usage Notes .................................................................................................................... 118
6.4.1
Overview ........................................................................................................................ 119
Port 1
7.2.1
7.2.2
7.2.3
Interrupt Priority Registers A and B (IPRA, IPRB) ....................................... 79
IRQ Status Register (ISR) .............................................................................. 85
IRQ Enable Register (IER)............................................................................. 86
IRQ Sense Control Register (ISCR) ............................................................... 87
External Interrupts .......................................................................................... 88
Internal Interrupts ........................................................................................... 89
Interrupt Vector Table ..................................................................................... 89
Interrupt Handling Process ............................................................................. 92
Interrupt Sequence .......................................................................................... 97
Interrupt Response Time................................................................................. 98
Contention between Interrupt and Interrupt-Disabling Instruction ................ 99
Instructions that Inhibit Interrupts .................................................................. 100
Interrupts during EEPMOV Instruction Execution ........................................ 100
Bus Controller
Features........................................................................................................... 101
Block Diagram................................................................................................ 102
Input/Output Pins............................................................................................ 103
Register Configuration.................................................................................... 103
Access State Control Register (ASTCR)........................................................ 104
Wait Control Register (WCR)......................................................................... 105
Wait State Controller Enable Register (WCER)............................................. 106
Area Division.................................................................................................. 107
Bus Control Signal Timing ............................................................................. 109
Wait Modes ..................................................................................................... 111
Interconnections with Memory (Example)..................................................... 117
Register Write Timing .................................................................................... 118
I/O Ports
Overview......................................................................................................... 122
Register Descriptions...................................................................................... 123
Pin Functions in Each Mode........................................................................... 124
........................................................................................................................ 122
....................................................................................................... 119
............................................................................................ 101