Silicon Labs Bus Controllers 11

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Part	Manufacturer	Peripheral IC Type	Temperature Grade	Terminal Form	No. of Terminals	Package Code	Package Shape	Package Body Material	Surface Mount	Maximum Supply Voltage	Address Bus Width	Power Supplies (V)	Package Style (Meter)	Package Equivalence Code	Minimum Supply Voltage	Maximum Operating Temperature	Maximum Data Transfer Rate	Minimum Operating Temperature	Terminal Position	Maximum Seated Height	Width	External Data Bus Width	Maximum Clock Frequency	Maximum Time At Peak Reflow Temperature (s)	Peak Reflow Temperature (C)	Length	Technology	Maximum Supply Current	Nominal Supply Voltage	Sub-Category	Bus Compatibility	Terminal Pitch	JESD-30 Code	Qualification	Drive Interface Standard
CP2109-A01-GMR	Silicon Labs		INDUSTRIAL	NO LEAD	28	QCCN	SQUARE	PLASTIC/EPOXY	YES			3.3	CHIP CARRIER	LCC28,.2SQ,20		85 Cel		-40 Cel	QUAD										3.3 V	Bus Controllers		.5 mm	S-PQCC-N28	Not Qualified
CP2109-A01-GM	Silicon Labs	BUS CONTROLLER, UNIVERSAL SERIAL BUS	INDUSTRIAL	NO LEAD	28	HVQCCN	SQUARE	UNSPECIFIED	YES	3.6 V			CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE		3 V	85 Cel		-40 Cel	QUAD	1 mm	5 mm		48 MHz	NOT SPECIFIED	NOT SPECIFIED	5 mm	CMOS		3.3 V			.5 mm	S-XQCC-N28
CP2120-GMR	Silicon Labs	BUS CONTROLLER, I2C	INDUSTRIAL	NO LEAD	20	HVQCCN	SQUARE	UNSPECIFIED	YES	3.6 V	0		CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE		3 V	85 Cel		-40 Cel	QUAD	1 mm	4 mm	0	25 MHz	NOT SPECIFIED	NOT SPECIFIED	4 mm	CMOS		3.3 V			.5 mm	S-XQCC-N20	Not Qualified
CP2120-GM	Silicon Labs	BUS CONTROLLER, I2C	INDUSTRIAL	NO LEAD	20	HVQCCN	SQUARE	UNSPECIFIED	YES	3.6 V	0		CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE		3 V	85 Cel		-40 Cel	QUAD	1 mm	4 mm	0	25 MHz	NOT SPECIFIED	NOT SPECIFIED	4 mm	CMOS		3.3 V			.5 mm	S-XQCC-N20	Not Qualified
CP2114-B02-GMR	Silicon Labs	BUS CONTROLLER, UNIVERSAL SERIAL BUS		NO LEAD	32	HVQCCN	SQUARE		YES	3.6 V			CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	LCC32,.2SQ,20	3 V	85 Cel	1.5 MBps	-40 Cel	QUAD	1 mm	5 mm		49.152 MHz			5 mm	CMOS	28 mA	3.3 V		I2C; I2S; UART; USB	.5 mm	S-PQCC-N32
CP2102N-A01-GQFN20R	Silicon Labs	BUS CONTROLLER, UNIVERSAL SERIAL BUS	INDUSTRIAL	NO LEAD	20	HVQCCN	SQUARE	UNSPECIFIED	YES	3.6 V			CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	LCC20,.12SQ,20	3 V	85 Cel	1.5 MBps	-40 Cel	QUAD	.8 mm	3 mm					3 mm	CMOS	100 mA	3.3 V		UART; VBUS	.5 mm	S-XQCC-N32		RS232; RS485
CP2102N-A01-GQFN20	Silicon Labs	BUS CONTROLLER, UNIVERSAL SERIAL BUS	INDUSTRIAL	NO LEAD	20	HVQCCN	SQUARE	UNSPECIFIED	YES	3.6 V			CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	LCC20,.12SQ,20	3 V	85 Cel	1.5 MBps	-40 Cel	QUAD	.8 mm	3 mm					3 mm	CMOS	100 mA	3.3 V		UART; VBUS	.5 mm	S-XQCC-N32		RS232; RS485
CP2102N-A01-GQFN24R	Silicon Labs	BUS CONTROLLER, UNIVERSAL SERIAL BUS	INDUSTRIAL	NO LEAD	24	HVQCCN	SQUARE	UNSPECIFIED	YES	3.6 V			CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	LCC24,.16SQ,20	3 V	85 Cel	1.5 MBps	-40 Cel	QUAD	.8 mm	4 mm					4 mm	CMOS	100 mA	3.3 V		UART; VBUS	.5 mm	S-XQCC-N32		RS232; RS485
CP2102N-A01-GQFN24	Silicon Labs	BUS CONTROLLER, UNIVERSAL SERIAL BUS	INDUSTRIAL	NO LEAD	24	HVQCCN	SQUARE	UNSPECIFIED	YES	3.6 V			CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	LCC24,.16SQ,20	3 V	85 Cel	1.5 MBps	-40 Cel	QUAD	.8 mm	4 mm					4 mm	CMOS	100 mA	3.3 V		UART; VBUS	.5 mm	S-XQCC-N32		RS232; RS485
CP2102N-A01-GQFN28R	Silicon Labs	BUS CONTROLLER, UNIVERSAL SERIAL BUS	INDUSTRIAL	NO LEAD	28	HVQCCN	SQUARE	UNSPECIFIED	YES	3.6 V			CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	LCC28,.2SQ,20	3 V	85 Cel	1.5 MBps	-40 Cel	QUAD	.8 mm	5 mm					5 mm	CMOS	100 mA	3.3 V		UART; VBUS	.5 mm	S-XQCC-N32		RS232; RS485
CP2102N-A01-GQFN28	Silicon Labs	BUS CONTROLLER, UNIVERSAL SERIAL BUS	INDUSTRIAL	NO LEAD	28	HVQCCN	SQUARE	UNSPECIFIED	YES	3.6 V			CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	LCC28,.2SQ,20	3 V	85 Cel	1.5 MBps	-40 Cel	QUAD	.8 mm	5 mm					5 mm	CMOS	100 mA	3.3 V		UART; VBUS	.5 mm	S-XQCC-N32		RS232; RS485

Bus Controllers

Bus controllers are integrated circuits that are used to manage and control the flow of data and control signals between different devices in a computer system. They are commonly used in systems that have multiple buses, such as a memory bus and an I/O bus. Bus controllers ensure that data is transferred efficiently and correctly between different devices in the system.

One of the primary functions of a bus controller is to manage bus arbitration. Bus arbitration is the process of resolving conflicts that occur when two or more devices on the bus attempt to access the bus at the same time. Bus controllers use various algorithms to determine which device has priority access to the bus and when other devices can access it.

Another important function of bus controllers is to manage the transfer of data and control signals between devices on the bus. This involves controlling the timing and synchronization of signals, as well as error detection and correction. Bus controllers also manage other aspects of the bus, such as interrupt handling and power management.