Atmel AT85DVK-07 Dokumentacja Pobierz pdf (Strona 245)

AT85C51SND3Bx

7632A–MP3–03/06

Parameters Table 265. Audio Codec Components Characteristics

= -40 to +85°C

Notes: 1. Value in low impedance mode (Headphone mode when AODRV = 1)

2. Value in high impedance mode (Line out mode when AODRV = 0)

MMC Controller

Schematic Figure 139. MMC Connection

Parameters Table 266. MMC Components Characteristics

= -40 to +85°C

Symbol Parameter Min Typ Max Unit

OUT

OUTR/OUTL DC-Decoupling Capacitor

100

(1)

0.1

(2)

µF

INL

LINR/LINL DC-Decoupling Capacitor 1 µF

INM

MICIN DC-Decoupling Capacitor 1 µF

VCM

AVCM Filter Capacitor 100 nF

AREF

AREF Filter Capacitor 1 µF

MICBIAS Filter Capacitor 10 nF

CMD

IOVDD

SDDAT0

SDCMD

DAT

Symbol Parameter Min Typ Max Unit

CMD

MMC/SD Command Line Pull-Up Resistor 100 KΩ

DAT

MMC/SD Data Line Pull-Up Resistor 10 KΩ

1 2 ... 240 241 242 243 244 245 246 247 248 249 250 ... 262 263

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Atmel AT85DVK-07 Dokumentacja Strona 245