AT89C5122DS-RDRUM datasheet(58/208 Pages) ATMEL

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AT89C5122DS-RDRUM 데이터시트(PDF) 58 Page - ATMEL Corporation

부품명	AT89C5122DS-RDRUM

상세설명	C51 Microcontroller with USB and Smart Card Reader Interfaces

PDF	208 Pages

Scroll/Zoom	100%

제조업체	ATMEL [ATMEL Corporation]

홈페이지	http://www.atmel.com

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58 / 208 page

AT83R5122, AT8xC5122/23

4202F–SCR–07/2008

Figure 28.

LED Source Current

Notes: 1. When switching a low level, LEDCTRL device has a permanent current of about

N mA/15 (N is 2, 4 or 8).

2. The port must be configured as standard C51 port by means of PMOD0 and PMOD1

registers and the level of current must be programmed by means of LEDCON0 and

LEDCON1 registers before switching the led on.

Table 35.

LED Source Current

LEDx.1

LEDx.0

Port Latch Data

NMOS

Comments

LED control disabled

LED mode 2 mA

LED mode 4 mA

LED mode 10 mA

Port Latch

Data

LEDx.0

LEDx.1

NMOS

LEDCTRL

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