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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)：	1053/1069頁(yè)
文件大?。?/td>	14303K
代理商：	E5550F-DOW

SAM4CP [DATASHEET]

43051E–ATPL–08/14

Supply Controller (SUPC)

49.1.1 SUPC: Supply Monitor (SM) on VDDIO

The Supply Monitor (SM) sampling mode reducing the average current consumption on VDDIO is not functional.

Problem Fix/Workaround

Use the Supply Monitor in continuous mode only.

49.1.2 SUPC: Core Voltage Regulator Standby Mode Control

The Core Voltage Regulator standby mode controlled by the ONREG bit in SUPC_MR is not functional. This does not

prevent to power VDDCORE and VDDPLL by using an external voltage regulator.

Problem Fix/Workaround

None. Do not use the ONREG Bit.

49.1.3 SUPC: Core Brownout Detector. Unpredictable Behavior if BOD is Disabled, VDDCORE is Lost and VDDIO

In active mode or in wait mode, if the Brownout Detector (BOD) is disabled (SUPC_MR: BODDIS=1) and power is lost on

VDDCORE while VDDIO is powered, the device can be reset incorrectly and its behavior becomes then unpredictable.

Problem Fix/Workaround

When the Brownout Detector is disabled in active or in wait mode, VDDCORE must be always powered.

Parallel Input Output (PIO) Controller

49.2.1 PIO: Schmitt Trigger

Schmitt triggers on all PIO controllers are not enabled by default (after reset) as stated in the product datasheet.

Enable and disable values in the PIO Schmitt Trigger Register (for all PIO controllers) are inverted. The definition

of PIO_SCHMITT fields must be as follows:

0: Schmitt Trigger is disabled.

1: Schmitt Trigger is enabled.

Problem Fix/Workaround

None. It is up to the application to enable Schmitt trigger mode and to take into account the inverted values of the

PIO_SCHMITT fields.

Watchdog (WDT) / Reinforced Safety Watchdog (RSWDT)

49.3.1 WDT / RSWDT not stopped in WAIT mode

When the Watchdog (WDT) or the Reinforced Safety Watchdog (RSWDT) is enabled an the WAITMODE bit set to 1 is

used to enter low-power wait mode, the WDT/RSWDT is not halted. If the time spent in wait mode is longer than the

Watchdog (Reinforced Safety Watchdog) time-out, the device is reset provided that the WDT/RSWDT reset is enabled.

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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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