HD64570 HITACHI [Hitachi Semiconductor], HD64570 Datasheet - Page 11

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

Section 1
1.1
1.2
1.3
1.4
1.5
1.6
1.7
Section 2
2.1
2.2
Overview............................................................................................................................
Features..............................................................................................................................
Basic Functions..................................................................................................................
Block Diagram...................................................................................................................
Protocol Support................................................................................................................
1.5.1
1.5.2
1.5.3
Built-In Registers...............................................................................................................
1.6.1
1.6.2
1.6.3
1.6.4
1.6.5
1.6.6
1.6.7
General Description of Functions...................................................................................... 16
1.7.1
1.7.2
1.7.3
1.7.4
1.7.5
1.7.6
1.7.7
1.7.8
1.7.9
1.7.10 DMA Buffer Chaining.......................................................................................... 33
1.7.11 Descriptor Structure.............................................................................................. 34
1.7.12 Bus Arbiter ...........................................................................................................
1.7.13 Interrupt Control...................................................................................................
1.7.14 Timers...................................................................................................................
1.7.15 Wait Controller.....................................................................................................
Pin Arrangements .............................................................................................................. 41
Pin Functions .....................................................................................................................
Overview
Asynchronous Mode ............................................................................................
Byte-Synchronous Mode......................................................................................
Bit-Synchronous Mode ........................................................................................
Low-Power Mode Control Registers.................................................................... 10
Interrupt Control Registers ...................................................................................
MSCI Registers .................................................................................................... 11
DMAC Registers common to channels 0 to 3...................................................... 12
DMA Registers provided separately for channels 0 to 3...................................... 13
Timer Registers .................................................................................................... 15
Wait Controller Registers .....................................................................................
Operating Modes of Serial Section ...................................................................... 16
Transmission Formats .......................................................................................... 16
Transmission Error Detection .............................................................................. 18
Transmission Codes.............................................................................................. 19
Transmit/Receive Clock Selection .......................................................................
Maximum Bit Rates.............................................................................................. 22
Transmitter ...........................................................................................................
Receiver................................................................................................................ 24
DMAC.................................................................................................................. 26
Pin Arrangements and Functions
...........................................................................................................
Contents
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Rev. 0, 07/98, page i of 11
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