CGM Block Diagram | Freescale Semiconductor MC68HC08KH12 manual

	OSCILLATOR (OSC)
OSC2
									CGMXCLK
OSC1
SIMOSCEN
CGMRDV	REFERENCE		CGMRCLK			CLOCK
	DIVIDER					CLOCK			CGMOUT
	DIVIDER				BCS	SELECT		⎟ 2	CGMOUT
					BCS	SELECT		⎟ 2
						CIRCUIT
	RDS[3:0]	R
							CLOCK		USBCLK
							SELECT		USBCLK
		VDDA	CGMXFC		VSSA		SELECT
		VDDA	CGMXFC		VSSA		CIRCUIT
	PHASE		LOOP		VOLTAGE		48MHz
	PHASE		LOOP		CONTROLLED
	DETECTOR		FILTER		CONTROLLED
	DETECTOR		FILTER		OSCILLATOR
					OSCILLATOR
					PLL ANALOG
	LOCK		AUTOMATIC		INTERRUPT				CGMINT
	DETECTOR		MODE		CONTROL
	DETECTOR		CONTROL		CONTROL
			CONTROL
	LOCK		AUTO	ACQ	PLLIE	PLLF
	MUL[11:0]	N			PRE[1:0]	P
CGMVDV	FREQUENCY				FREQUENCY	CGMVCLK
	DIVIDER				DIVIDER
						CGMPCLK

PHASE-LOCKED LOOP (PLL)

Figure 8-1. CGM Block Diagram

Advance Information	MC68HC(7)08KH12 — Rev. 1.1

90	Freescale Semiconductor

MC68HC08KH12 specifications

The Freescale Semiconductor MC68HC08KH12 is a versatile microcontroller that has gained popularity in various embedded systems applications. Part of the HC08 family, this microcontroller combines a robust architecture with comprehensive on-chip features, making it suitable for a wide range of applications ranging from industrial control to consumer electronics.

One of the main features of the MC68HC08KH12 is its 8-bit architecture, which provides an optimal balance between performance and power efficiency. It operates at clock speeds of up to 2 MHz, allowing for efficient execution of instructions while maintaining low power consumption. The microcontroller is designed to operate over a voltage range of 2.7 to 5.5 volts, making it adaptable to various system requirements.

The MC68HC08KH12 is equipped with 1 Kbyte of RAM and 12 Kbytes of ROM, which allows for substantial program and data storage. The on-chip memory helps reduce the need for external components, simplifying the design of embedded systems and enhancing reliability. With a wide range of I/O options, including 26 general-purpose I/O pins, the microcontroller provides flexibility in interfacing with sensors, actuators, and other devices.

In terms of technologies, the MC68HC08KH12 features an advanced instruction set that enhances programming efficiency. It supports basic arithmetic operations, bit manipulation, and control transfer instructions, making it suitable for a variety of computational tasks. The integrated timers, analog-to-digital converters, and serial communication interfaces, including UART, provide the necessary tools for real-time control and data exchange with peripheral devices.

Another characteristic of the MC68HC08KH12 is its low power mode capabilities, which allow it to enter a sleep state during periods of inactivity. This feature is essential in battery-powered applications, where minimizing power consumption is crucial for extending operational life.

Overall, the Freescale Semiconductor MC68HC08KH12 stands out as a reliable microcontroller that combines performance, flexibility, and power efficiency. Its extensive features and technologies enable engineers to design robust embedded systems that meet the demands of modern applications. As a result, the MC68HC08KH12 remains a valuable choice for developers seeking a highly functional yet cost-effective microcontroller solution.

Freescale Semiconductor MC68HC08KH12 manual CGM Block Diagram

Models: MC68HC08KH12

Figure 8-1. CGM Block Diagram

MC68HC08KH12 specifications