MC68HC681 Просмотр технического описания (PDF) - Motorola => Freescale
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Компоненты Описание
производитель
MC68HC681 Datasheet PDF : 88 Pages
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Paragraph
Number
4.3.5.1
4.3.5.2
4.3.6
4.3.6.1
4.3.6.2
4.3.7
4.3.7.1
4.3.7.2
4.3.7.3
4.3.7.4
4.3.8
4.3.9
4.3.9.1
4.3.9.2
4.3.9.3
4.3.9.4
4.3.9.5
4.3.9.6
4.3.9.7
4.3.9.8
4.3.10
4.3.11
4.3.11.1
4.3.11.2
4.3.11.3
4.3.11.4
4.3.11.5
4.3.11.6
4.3.12
4.3.13
4.3.13.1
4.3.13.2
4.3.13.3
4.3.14
4.3.14.1
4.3.14.2
4.3.15
4.3.15.1
4.3.15.2
4.3.15.3
TABLE OF CONTENTS (Continued)
Title
Page
Number
Channel A Receiver Clock Select - CSRA[7:4]............. 4-16
Channel A Transmitter Clock Select - CSRA[3:0]......... 4-16
Channel B Clock-Select Register (CSRB)................................ 4-17
Channel B Receiver Clock Select - CSRB[7:4]............. 4-17
Channel B Transmitter Clock Select - CSRB[3:0]......... 4-17
Channel A Command Register (CRA)...................................... 4-17
CRA[7]. ......................................................................... 4-17
Channel A Miscellaneous Commands - CRA[6:4]. ....... 4-17
Channel A Transmitter Commands - CRA[3:2]............. 4-18
Channel A Receiver Commands - CRA[1:0]................. 4-18
Channel B Command Register (CRB)...................................... 4-19
Channel A Status Register (SRA) ............................................ 4-19
Channel A Received Break - SRA[7]. ........................... 4-19
Channel A Framing Error - SRA[6]. .............................. 4-19
Channel A Parity Error - SRA[5]. .................................. 4-19
Channel A Overrun Error - SRA[4]. .............................. 4-19
Channel A Transmitter Empty - SRA[3]. ....................... 4-19
Channel A Transmitter Ready - SRA[2]........................ 4-20
Channel A FIFO Full - SRA[1]. ..................................... 4-20
Channel A Receiver Ready - SRA[0]............................ 4-20
Channel B Status Register (SRB) ............................................ 4-20
Output Port Configuration Register (OPCR) ............................ 4-20
OP7 Output Select - OPCR[7]. ..................................... 4-20
OP6 Output Select - OPCR[6]. ..................................... 4-20
OP5 Output Select - OPCR[5]. ..................................... 4-20
OP4 Output Select - OPCR[4]. ..................................... 4-20
OP3 Output Select - OPCR[3:2]. .................................. 4-21
OP2 Output Select - OPCR[1:0]. .................................. 4-21
Output Port Register - OPR[7:0]............................................... 4-21
Auxiliary Control Register (ACR).............................................. 4-21
Baud-Rate Generator Set Select - ACR[7]. .................. 4-21
Counter/Timer Mode and Clock Source
Select — ACR[6:4]. .......................................................4-22
IP3, IP2, IP1, and IP0 Change-of-State Interrupt
Enable — ACR[3:0]. .....................................................4-22
Input Port Change Register (IPCR).......................................... 4-22
IP3, IP2, IP1, and IP0 Change of State - IPCR[7:4]. .... 4-22
IP31 IP2F IP1, and IP0 Current State — IPCR[3:0]. .... 4-22
Interrupt Status Register (ISR) ................................................. 4-22
Input Port Change Status - ISR[7]. .............................. 4-23
Channel B Change in Break — ISR[6].......................... 4-23
Channel B Receiver Ready or FIFO Full — ISR[5]....... 4-23
MOTOROLA
MC68HC681 USER’S MANUAL
vii
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