參數(shù)資料
型號: DOC4106
廠商: Atmel Corp.
英文描述: Single-Chip Microcontroller with MP3 Decoder and Man-Machine Interface
中文描述: 單片微控制器,帶有MP3解碼器和人機(jī)界面
文件頁數(shù): 6/47頁
文件大?。?/td> 791K
代理商: DOC4106
6
AT8xC51SND1C
4106F–8051–10/02
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
Table 4.
Audio Interface Signal Description
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).
-
Table 5.
USB Controller Signal Description
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
-
Table 6.
MutiMediaCard Interface Signal Description
Signal
Name
Type
Description
Alternate
Function
MCLK
O
MMC Clock output
Data or command clock transfer.
-
MCMD
I/O
MMC Command line
bi-directional 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
bi-directional data channel. To avoid any parasitic current consumption,
unused MDAT input must be polarized to
V
DD
or V
SS
.
-
Table 3.
Timer 0 and Timer 1 Signal Description (Continued)
Signal
Name
Type
Description
Alternate
Function
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