HD6433044 Hitachi Semiconductor, HD6433044 Datasheet - Page 5

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HD6433044

Manufacturer Part Number
HD6433044
Description
(HD64 Series) Hitachi Single-Chip Microcomputer
Manufacturer
Hitachi Semiconductor
Datasheet

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5.2
5.3
5.4
5.5
Section 6
6.1
6.2
6.3
5.1.3
5.1.4
Register Descriptions...................................................................................................... 84
5.2.1
5.2.2
5.2.3
5.2.4
5.2.5
Interrupt Sources............................................................................................................. 95
5.3.1
5.3.2
5.3.3
Interrupt Operation ......................................................................................................... 100
5.4.1
5.4.2
5.4.3
Usage Notes .................................................................................................................... 107
5.5.1
5.5.2
5.5.3
5.5.4
Overview......................................................................................................................... 111
6.1.1
6.1.2
6.1.3
6.1.4
Register Descriptions...................................................................................................... 114
6.2.1
6.2.2
6.2.3
6.2.4
6.2.5
6.2.6
Operation ........................................................................................................................ 121
6.3.1
6.3.2
6.3.3
6.3.4
6.3.5
Pin Configuration............................................................................................ 83
Register Configuration.................................................................................... 83
System Control Register (SYSCR)................................................................. 84
Interrupt Priority Registers A and B (IPRA, IPRB) ....................................... 85
IRQ Status Register (ISR) .............................................................................. 92
IRQ Enable Register (IER) ............................................................................. 93
IRQ Sense Control Register (ISCR) ............................................................... 94
External Interrupts .......................................................................................... 95
Internal Interrupts ........................................................................................... 96
Interrupt Vector Table ..................................................................................... 96
Interrupt Handling Process ............................................................................. 100
Interrupt Sequence .......................................................................................... 105
Interrupt Response Time................................................................................. 106
Contention between Interrupt and Interrupt-Disabling Instruction ................ 107
Instructions that Inhibit Interrupts .................................................................. 108
Interrupts during EEPMOV Instruction Execution......................................... 108
Notes on External Interrup to during Use....................................................... 108
Bus Controller
Features........................................................................................................... 111
Block Diagram................................................................................................ 112
Input/Output Pins............................................................................................ 113
Register Configuration.................................................................................... 113
Bus Width Control Register (ABWCR) ......................................................... 114
Access State Control Register (ASTCR) ........................................................ 115
Wait Control Register (WCR)......................................................................... 116
Wait State Controller Enable Register (WCER)............................................. 117
Bus Release Control Register (BRCR)........................................................... 118
Chip Select Control Register (CSCR) ............................................................ 119
Area Division.................................................................................................. 121
Chip Select Signals ......................................................................................... 123
Data Bus.......................................................................................................... 124
Bus Control Signal Timing ............................................................................. 125
Wait Modes ..................................................................................................... 133
............................................................................................ 111

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