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型號(hào)：	E5550F-DOW
廠商：	ATMEL CORP
元件分類：	通信及網(wǎng)絡(luò)
英文描述：	SPECIALTY TELECOM CIRCUIT, UUC7
封裝：	DIE-7
文件頁(yè)數(shù)：	14/1069頁(yè)
文件大小：	14303K
代理商：	E5550F-DOW

SAM4CP [DATASHEET]

43051E–ATPL–08/14

Separate pins are provided for GND and AGND grounds. Layout considerations should be taken into account to reduce

interference. Ground pins should be connected as shortly as possible to the system ground plane.

Core Voltage Regulator

The SAM4CP embeds a core voltage regulator that is managed by the Supply Controller.This internal regulator is

designed to supply the internal core of SAM4CP.

It features two operating modes:

In Normal mode, the quiescent current of the voltage regulator is less than 500

A when sourcing maximum load

current, i.e. 120 mA. Internal adaptive biasing adjusts the regulator quiescent current depending on the required

load current. In Wait Mode quiescent current is only 5

In Backup mode, the voltage regulator consumes less than 100 nA while its output (VDDOUT) is driven internally

The default output voltage is 1.20V and the start-up time to reach Normal mode is less than 500

For adequate input and output power supply decoupling/bypassing, refer to the “Voltage Regulator” section in the

“Electrical Characteristics” section of the datasheet.

LCD Voltage Regulator

The SAM4CP embeds an adjustable LCD voltage regulator that is managed by the Supply Controller.

This internal regulator is designed to supply the Segment LCD outputs. The LCD regulator output voltage is software

selectable with 16 levels to adjust the display contrast.

If not used, its output (VDDLCD) can be bypassed (Hi-z mode) and an external power supply can be provided onto the

VDDLCD pin. In this case, VDDIO still needs to be supplied.

The LCD voltage regulator can be used in every power modes (Backup, Wait, Sleep and Active).

For adequate input and output power supply decoupling/bypassing, refer to the “Voltage Regulator” section in the

“Electrical Characteristics” section of the datasheet.

PLC Voltage Regulators

The SAM4CP embeds two PLC-dedicated voltage regulators, PLC Analog Voltage Regulator (VDDIN AN) and PLC

Digital Voltage Regulator (VDDIN PLC). These internal regulators are designed to supply the PLC peripheral block in an

efficient way trying to minimize noise coupling in power supply.

Automatic Power Switch

The SAM4CP features an automatic power switch between VDDBU and VDDIO. When VDDIO is present, the backup

zone power supply is powered by VDDIO and current consumption on VDDBU is close to zero (around 100 nA, typ.).

Switching between VDDIO and VDDBU is transparent to the user.

Typical Powering Schematics

The SAM4CP supports a 3.0V to 3.6V single supply operation. Restrictions on this range may apply depending on

enabled features. Refer to the section Electrical Characteristics.

show simplified schematics of the power section.

3.0V to 3.6V

PLC Analog LDO Regulator input

PLC Analog LDO Regulator output

Digital Ground

Analog Ground

Power Supply Voltage Ranges (Continued)

Power Supplies

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E5530H-230-DOW	SPECIALTY TELECOM CIRCUIT, UUC
ECM2A5C3A12-29.939MTR	QUARTZ CRYSTAL RESONATOR, 29.939 MHz
ECM2A5C3A32-34.400M	QUARTZ CRYSTAL RESONATOR, 34.4 MHz
ED1702N	NPN general purpose transistor

相關(guān)代理商/技術(shù)參數(shù)	參數(shù)描述
E5550F-S8	制造商:未知廠家制造商全稱:未知廠家功能描述:Transponder
E5551A-DIT	制造商:未知廠家制造商全稱:未知廠家功能描述:Transponder
E5551A-DOW	制造商:未知廠家制造商全稱:未知廠家功能描述:Transponder
E5551A-FP008	制造商:未知廠家制造商全稱:未知廠家功能描述:TRANSPONDER\|CMOS\|SOP\|8PIN\|PLASTIC
E5552	制造商:未知廠家制造商全稱:未知廠家功能描述:Transponder

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