Table of Contents
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26.2.9
CEC Receive Buffer Register 1 (CCRB1) ....................................................................... 595
26.2.10
CEC Receive Buffer Register 2 (CCRB2) ....................................................................... 595
26.2.11
CEC Receive Follower Address Set Register 2 (CRADRI2) ........................................... 596
26.2.12
Port Control Register (PCR) ............................................................................................ 597
26.3
Operations ................................................................................................................................ 598
26.3.1
Standard Value and I/O Timing ........................................................................................ 598
26.3.2
Count Source ................................................................................................................... 598
26.3.3
CEC Input/Output ............................................................................................................ 598
26.3.4
Digital Filter ...................................................................................................................... 599
26.3.5
Reception ........................................................................................................................ 600
26.3.6
Transmission ................................................................................................................... 608
26.4
Interrupts................................................................................................................................... 613
26.5
Notes on CEC........................................................................................................................... 615
26.5.1
Registers and Bit Operation ............................................................................................ 615
26.5.2
VIH of the CEC pin .......................................................................................................... 615
27. A/D Converter .......................................................................................................... 616
27.1
Introduction ............................................................................................................................... 616
27.2
Registers................................................................................................................................... 618
27.2.1
Port Control Register (PCR) ............................................................................................ 619
27.2.2
Open-Circuit Detection Assist Function Register (AINRST) ............................................ 620
27.2.3
A/D Register i (ADi) (i = 0 to 7) ........................................................................................ 621
27.2.4
A/D Control Register 2 (ADCON2) .................................................................................. 622
27.2.5
A/D Control Register 0 (ADCON0) .................................................................................. 623
27.2.6
A/D Control Register 1 (ADCON1) .................................................................................. 625
27.3
Operations ................................................................................................................................ 626
27.3.1
A/D Conversion Cycle ..................................................................................................... 626
27.3.2
A/D Conversion Start Conditions ..................................................................................... 628
27.3.3
A/D Conversion Result .................................................................................................... 629
27.3.4
Extended Analog Input Pins ............................................................................................ 629
27.3.5
Current Consumption Reduce Function .......................................................................... 629
27.3.6
Open-Circuit Detection Assist Function ........................................................................... 629
27.4
Operational Modes ................................................................................................................... 632
27.4.1
One-Shot Mode ............................................................................................................... 632
27.4.2
Repeat Mode ................................................................................................................... 634
27.4.3
Single Sweep Mode ......................................................................................................... 636
27.4.4
Repeat Sweep Mode 0 .................................................................................................... 638
27.4.5
Repeat Sweep Mode 1 .................................................................................................... 640
27.5
External Sensor ........................................................................................................................ 643
27.6
Interrupt .................................................................................................................................... 644
27.7
Notes on A/D Converter............................................................................................................ 645
A - 14
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