HD64570 HITACHI [Hitachi Semiconductor], HD64570 Datasheet - Page 12

• Manufacturer Part Number: HD64570
• Description: Serial Communications Adaptor
• Manufacturer: HITACHI [Hitachi Semiconductor]

Section 3
3.1
3.2
3.3
3.4
Section 4
4.1
4.2
4.3
4.4
4.5
Section 5
5.1
5.2
Rev. 0, 07/98, page ii of 11
Overview............................................................................................................................ 55
Chip Operating Modes ...................................................................................................... 55
3.2.1
3.2.2
3.2.3
3.2.4
3.2.5
Bus Arbiter ........................................................................................................................ 63
3.3.1
3.3.2
3.3.3
Bus Interface...................................................................................................................... 70
3.4.1
3.4.2
3.4.3
Overview............................................................................................................................ 81
Registers ............................................................................................................................ 83
4.2.1
4.2.2
4.2.3
4.2.4
4.2.5
4.2.6
4.2.7
4.2.8
4.2.9
Vector Output .................................................................................................................... 98
Acknowledge Cycle........................................................................................................... 98
Interrupt Sources and Vector Addresses............................................................................ 100
Overview............................................................................................................................ 101
5.1.1
5.1.2
Registers ............................................................................................................................ 104
5.2.1
5.2.2
5.2.3
5.2.4
System Controller
SCA Operating Modes ......................................................................................... 55
Low-Power Register (LPR).................................................................................. 57
Reset Mode........................................................................................................... 58
Normal Operating Mode ...................................................................................... 60
System Stop Mode................................................................................................ 60
Overview .............................................................................................................. 63
Timing for Passing Bus Control ........................................................................... 64
Bus Control Passing ............................................................................................. 65
Overview .............................................................................................................. 70
Slave Mode Bus Cycle ......................................................................................... 71
Master Mode Bus Cycle .......................................................................................
Interrupt Controller
Interrupt Vector Register (IVR) ........................................................................... 83
Interrupt Modified Vector Register (IMVR)........................................................ 83
Interrupt Control Register (ITCR)........................................................................ 84
Interrupt Status Register 0 (ISR0) ........................................................................ 86
Interrupt Status Register 1 (ISR1) ........................................................................ 88
Interrupt Status Register 2 (ISR2) ........................................................................ 90
Interrupt Enable Register 0 (IER0) ...................................................................... 92
Interrupt Enable Register 1 (IER1) ...................................................................... 94
Interrupt Enable Register 2 (IER2) ...................................................................... 96
Multiprotocol Serial Communication Interface (MSCI)
Functions .............................................................................................................. 101
Configuration and Operation................................................................................ 103
MSCI Mode Register 0 (MD0) ............................................................................ 105
MSCI Mode Register 1 (MD1) ............................................................................ 112
MSCI Mode Register 2 (MD2) ............................................................................ 115
MSCI Control Register (CTL).............................................................................. 118
........................................................................................... 55
........................................................................................ 81
.................... 101
76