MC68HC11PH8 Datasheet, PDF (12/264 Pages) Motorola, Inc – High-density Complementary Metal Oxide Semiconductor (HCMOS) Microcomputer Unit

Paragraph
Number
Title
Page
Number
5.7
5.7.1
5.8
5.8.1
5.8.2
5.8.3
5.8.4
5.8.5
5.8.6
Status flags and interrupts.....................................................................................5-13
Receiver flags ..................................................................................................5-13
SCI2 ......................................................................................................................5-15
S2BDH, S2BDL — SCI2 baud rate control registers .......................................5-15
S2CR1 — SCI2 control register 1....................................................................5-16
S2CR2 — SCI2 control register 2....................................................................5-16
S2SR1 — SCI2 status register 1 .....................................................................5-16
S2SR2 — SCI2 status register 2 .....................................................................5-17
S2DRH, S2DRL — SCI2 data high/low registers ............................................5-17
6
MOTOROLA INTERCONNECT BUS (MI BUS)
6.1
6.1.1
6.1.2
6.2
6.3
6.3.1
6.3.2
6.4
6.5
6.6
6.6.1
6.6.2
6.6.3
6.6.4
6.6.5
6.6.6
6.6.7
Push-pull sequence ...............................................................................................6-2
The push field ..................................................................................................6-2
The pull field ....................................................................................................6-3
Biphase coding ......................................................................................................6-3
Message validation................................................................................................6-4
Controller detected errors ................................................................................6-4
MCU detected errors .......................................................................................6-4
Interfacing to MI BUS ............................................................................................6-6
MI BUS clock rate..................................................................................................6-7
SCI2/MI BUS registers ..........................................................................................6-7
INIT2 — EEPROM mapping and MI BUS delay register .................................6-8
S2BDH, S2BDL — MI BUS clock rate control registers...................................6-9
S2CR1 — MI BUS control register 1 ...............................................................6-9
S2CR2 — MI BUS control register 2 ...............................................................6-10
S2SR1 — MI BUS status register 1 .................................................................6-11
S2SR2 — MI BUS2 status register 2 ...............................................................6-12
S2DRL — MI BUS2 data register ....................................................................6-12
7
SERIAL PERIPHERAL INTERFACE
7.1
7.2
7.2.1
7.3
7.3.1
7.3.2
7.3.3
7.3.4
7.4
Functional description ...........................................................................................7-1
SPI transfer formats...............................................................................................7-2
Clock phase and polarity controls....................................................................7-3
SPI signals ............................................................................................................7-3
Master in slave out...........................................................................................7-4
Master out slave in...........................................................................................7-4
Serial clock ......................................................................................................7-4
Slave select......................................................................................................7-4
SPI system errors ..................................................................................................7-5
MOTOROLA
iv
TABLE OF CONTENTS
TPG
MC68HC11PH8