HUB Control Register Summary | Freescale Semiconductor MC68HC08KH12

Table 9-1. HUB Control Register Summary

	Addr.	Register Name
		USB HUB Downstream Port 1
	$0051	Control Register
		(HDP1CR)
		USB HUB Downstream Port 2
	$0052	Control Register
		(HDP2CR)
		USB HUB Downstream Port 3
	$0053	Control Register
		(HDP3CR)
		USB HUB Downstream Port 4
	$0054	Control Register
		(HDP4CR)
	$0055	Unimplemented
		USB SIE Timing Interrupt
	$0056	Register
		(SIETIR)
		USB SIE Timing Status
	$0057	Register
		(SIETSR)
	$0058	USB HUB Address Register
	$0058	(HADDR)
		(HADDR)
		USB HUB Interrupt
	$0059	Register 0
		(HIR0)

	Bit 7	6	5	4	3	2	1	Bit 0

Read:	PEN1	LOWSP1	RST1	RESUM1	SUSP1	0	D1+	D1–
Write:



Reset:	0	0	0	0	0	0	X	X

Read:	PEN2	LOWSP2	RST2	RESUM2	SUSP2	0	D2+	D2–
Write:



Reset:	0	0	0	0	0	0	X	X

Read:	PEN3	LOWSP3	RST3	RESUM3	SUSP3	0	D3+	D3–
Write:



Reset:	0	0	0	0	0	0	X	X

Read:	PEN4	LOWSP4	RST4	RESUM4	SUSP4	0	D4+	D4–
Write:



Reset:	0	0	0	0	0	0	X	X
Read:
Read:
Write:

Reset:

Read:	SOFF	EOF2F	EOPF	TRANF	SOFIE	EOF2IE	EOPIE	TRANIE
Write:



Reset:	0	0	0	0	0	0	0	0

Read:	RSTF	0	LOCKF	0	0	0	0	0

Write:		RSTFR		LOCKFR	SOFFR	EOF2FR	EOPFR	TRANFR

Reset:	0**	0	0	0	0	0	0	0

Read:	USBEN	ADD6	ADD5	ADD4	ADD3	ADD2	ADD1	ADD0
Write:	USBEN	ADD6	ADD5	ADD4	ADD3	ADD2	ADD1	ADD0
Write:

Reset:	0**	0	0	0	0	0	0	0

Read:	TXDF	RXDF	0	0	TXDIE	RXDIE	0	0

Write:							TXDFR	RXDFR
Write:							TXDFR	RXDFR

Reset:	0	0	0	0	0	0	0	0

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

Freescale Semiconductor	117

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 HUB Control Register Summary, 117

Models: MC68HC08KH12

Table 9-1. HUB Control Register Summary

Addr.

Register Name

Unimplemented

(HADDR)

(HIR0)

RXDIE

117

MC68HC08KH12 specifications