BU94601KV_12 Datasheet, PDF (32/70 Pages) Rohm – AAC/WMA/MP3 +SD Memory Card + iPod

BU94601KV BU94603KV BU94604BKV
Datasheet
21.2 LED operation
Seven types of LEDs used to display the LSI operation states are controlled.
Table 11. shows the types and states of LEDs.
Table 11. Types of LEDs and operation description
Types of LEDs
LED_ERROR
LED_PLAY
LED_PSD
LED_PUSB
LED_ACCESS
LED_RANDOM
LED_REPEAT
Operation description
Lights when an error occurs. This happens in the following cases:
(1) Neither USB memory nor SD memory card is connected. No supported file
exists even if these devices are connected.
(2) Communication error or disconnection occurs in the memory being played.
Lights during play. Blinks during pause.
Lights when SD memory card is connected and selected.
Blinks when SD memory card is connected but SD memory card is not selected.
Goes off when SD memory card is not connected.
Lights when USB memory is connected and selected.
Blinks when USB memory is connected but USB memory card is not selected.
Goes off when USB memory is not connected.
Lights during access to USB memory or SD memory card.
Lights during random play.
Lights during folder repeat. Blinks during repeat of one tune. Goes off during repeat
all tunes in memory
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TSZ02201-0V2V0E600010-1-2
2012.07.12 Rev.001