895132-IL View Datasheet(PDF) - Atmel Corporation
Part Name
Description
Manufacturer
895132-IL Datasheet PDF : 182 Pages
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Signal
Name
T0
T1
Type
I
I
Description
Timer 0 External Clock Input
When timer 0 operates as a counter, a falling edge on the T0 pin increments
the count.
Timer 1 External Clock Input
When timer 1 operates as a counter, a falling edge on the T1 pin increments
the count.
Alternate
Function
P3.4
P3.5
Table 4. Audio Interface Signal Description
Signal
Name
DCLK
DOUT
DSEL
SCLK
Type
O
O
O
O
Description
DAC Data Bit Clock
DAC Audio Data
DAC Channel Select Signal
DSEL is the sample rate clock output.
DAC System Clock
SCLK is the oversampling clock synchronized to the digital audio data (DOUT)
and the channel selection signal (DSEL).
Alternate
Function
-
-
-
-
Table 5. USB Controller Signal Description
Signal
Name
Type Description
D+
I/O
USB Positive Data Upstream Port
This pin requires an external 1.5 KΩ pull-up to VDD for full speed operation.
D-
I/O USB Negative Data Upstream Port
Alternate
Function
-
-
Table 6. MutiMediaCard Interface Signal Description
Signal
Name
MCLK
MCMD
MDAT
Type
O
I/O
I/O
Description
MMC Clock output
Data or command clock transfer.
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 VDD or VSS.
MMC Data line
Bidirectional data channel. To avoid any parasitic current consumption, unused
MDAT input must be polarized to VDD or VSS.
Alternate
Function
-
-
-
6 AT89C5132
4173E–USB–09/07
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