MC68HC05B4 Datasheet, PDF (11/298 Pages) Motorola, Inc – High-density Complementary Metal Oxide Semiconductor (HCMOS) Microcomputer Unit

Paragraph
Number
TABLE OF CONTENTS
5
PROGRAMMABLE TIMER
Page
Number
5.1
5.1.1
5.2
5.2.1
5.2.2
5.3
5.3.1
5.3.2
5.4
5.4.1
5.4.2
5.4.3
5.5
5.5.1
5.6
5.7
5.8
Counter ..............................................................................................................5–1
Counter register and alternate counter register ...........................................5–3
Timer control and status ....................................................................................5–4
Timer control register (TCR) ........................................................................5–4
Timer status register (TSR)..........................................................................5–6
Input capture......................................................................................................5–7
Input capture register 1 (ICR1) ....................................................................5–7
Input capture register 2 (ICR2) ....................................................................5–8
Output compare .................................................................................................5–9
Output compare register 1 (OCR1)..............................................................5–9
Output compare register 2 (OCR2)............................................................5–10
Software force compare .............................................................................5–11
Pulse Length Modulation (PLM) ......................................................................5–11
Pulse length modulation registers A and B (PLMA/PLMB) ........................5–11
Timer during STOP mode................................................................................5–12
Timer during WAIT mode.................................................................................5–12
Timer state diagrams .......................................................................................5–12
6
SERIAL COMMUNICATIONS INTERFACE
6.1 SCI two-wire system features ............................................................................6–1
6.2 SCI receiver features .........................................................................................6–3
6.3 SCI transmitter features.....................................................................................6–3
6.4 Functional description........................................................................................6–3
6.5 Data format ........................................................................................................6–5
6.6 Receiver wake-up operation ..............................................................................6–5
6.6.1 Idle line wake-up ..........................................................................................6–6
6.6.2 Address mark wake-up ................................................................................6–6
6.7 Receive data in (RDI) ........................................................................................6–6
6.8 Start bit detection...............................................................................................6–6
6.9 Transmit data out (TDO) ....................................................................................6–8
6.10 SCI synchronous transmission ..........................................................................6–9
6.11 SCI registers ....................................................................................................6–10
6.11.1 Serial communications data register (SCDR) ............................................6–10
6.11.2 Serial communications control register 1 (SCCR1) ...................................6–10
6.11.3 Serial communications control register 2 (SCCR2) ...................................6–14
6.11.4 Serial communications status register (SCSR)..........................................6–16
6.11.5 Baud rate register (BAUD) .........................................................................6–18
6.12 Baud rate selection ..........................................................................................6–19
6.13 SCI during STOP mode ...................................................................................6–21
6.14 SCI during WAIT mode ....................................................................................6–21
MC68HC05B6
Rev. 4
TABLE OF CONTENTS
TPG
MOTOROLA
iii