參數(shù)資料
型號: T8xC51SND1
廠商: Atmel Corp.
英文描述: Single Chip Microcontroller with MP3 Decoder and Man Machine Interface
中文描述: 單芯片微控制器,帶有MP3解碼器和人機(jī)界面
文件頁數(shù): 6/60頁
文件大?。?/td> 868K
代理商: T8XC51SND1
6
T8xC51SND1
Rev. D
15-Nov-01
Table 4.
Audio Interface Signal Description
Table 5.
USB Controller Signal Description
Table 6.
MutiMediaCard Interface Signal Description
T0
I
Timer 0 External Clock Input
When timer 0 operates as a counter, a falling edge on the T0 pin
increments the count.
P3.4
T1
I
Timer 1 External Clock Input
When timer 1 operates as a counter, a falling edge on the T1 pin
increments the count.
P3.5
Signal
Name
Type
Description
Alternate
Function
DCLK
O
DAC Data Bit Clock
-
DOUT
O
DAC Audio Data
-
DSEL
O
DAC Channel Select Signal
DSEL is the sample rate clock output.
-
SCLK
O
DAC System Clock
SCLK is the oversampling clock synchronized to the digital audio data
(DOUT) and the channel selection signal (DSEL).
-
Signal
Name
Type
Description
Alternate
Function
D+
I/O
USB Positive Data Upstream Port
This pin requires an external 1.5 K
pull-up to V
DD
for full speed
operation.
-
D-
I/O
USB Negative Data Upstream Port
-
Signal
Name
Type
Description
Alternate
Function
MCLK
O
MMC Clock output
Data or command clock transfer.
-
MCMD
I/O
MMC Command line
Bidirectional command channel used for card initialization and data
transfer commands. To avoid any parasitic current consumption,
unused MCMD input must be polarized to V
DD
or V
SS
.
-
MDAT
I/O
MMC Data line
Bidirectional data channel. To avoid any parasitic current consumption,
unused MDAT input must be polarized to V
DD
or V
SS
.
-
Signal
Name
Type
Description
Alternate
Function
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