Motorola MC68340 manual Section Timer Modules, Clock Selection Logic

Freescale Semiconductor, Inc.

11/2/95	SECTION 1: OVERVIEW	UM Rev.1.0
	Freescale Semiconductor, Inc.

TABLE OF CONTENTS (Continued)

Paragraph		P a g e
Number	Title	Number
7.4.1.2	Interrupt Level Register (ILR)	7-21
7.4.1.3	Interrupt Vector Register (IVR)	7-21
7.4.1.4	Mode Register 1 (MR1)	7-22
7.4.1.5	Status Register (SR)	7-24
7.4.1.6	Clock-Select Register (CSR)	7-26
7.4.1.7	Command Register (CR)	7-27
7.4.1.8	Receiver Buffer (RB)	7-30
7.4.1.9	Transmitter Buffer (TB)	7-30
7.4.1.10	Input Port Change Register (IPCR)	7-31
7.4.1.11	Auxiliary Control Register (ACR)	7-32
7.4.1.12	Interrupt Status Register (ISR)	7-32
7.4.1.13	Interrupt Enable Register (IER)	7-34
7.4.1.14	Input Port (IP)	7-35
7.4.1.15	Output Port Control Register (OPCR)	7-35
7.4.1.16	Output Port Data Register (OP)	7-37
7.4.1.17	Mode Register 2 (MR2)	7-37
7.4.2	Programming	7-40
7.4.2.1	Serial Module Initialization	7-40
7.4.2.2	I/O Driver Example	7-40
7.4.2.3	Interrupt Handling	7-40
7.5	Serial Module Initialization Sequence	7-46
7.5.1	Serial Module Configuration	7-46
7.5.2	Serial Module Example Configuration Code	7-47

Section 8

Timer Modules

8.1	Module Overview	8-1
8.1.1	Timer and Counter Functions	8-2
8.1.1.1	Prescaler and Counter	8-2
8.1.1.2	Timeout Detection	8-2
8.1.1.3	Comparator	8-2
8.1.1.4	Clock Selection Logic	8-3
8.1.2	Internal Control Logic	8-3
8.1.3	Interrupt Control Logic	8-4
8.2	Timer Modules Signal Definitions	8-4
8.2.1	Timer Input (TIN1, TIN2)	8-5
8.2.2	Timer Gate (TGATE1, TGATE2)	8-6
8.2.3	Timer Output (TOUT1, TOUT2)	8-6
8.3	Operating Modes	8-6
8.3.1	Input Capture/Output Compare	8-6
8.3.2	Square-Wave Generator	8-8
xiv	MC68340 USER'S MANUAL	MOTOROLA
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