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AS8202 Datasheet PDF : 10 Pages
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TTP/C-C2 Communication Controller – Preliminary Data Sheet
AS8202
TTP/C Asynchronous Bus Interface
The TTP/C asynchronous bus interface uses MFM patterns to transmit/receive signals at a
maximum data rate of 5 MBit/s on a shared media (physical bus). The pins can either be
connected to drivers using recessive/dominant states on the wire as well as drivers using active
push/pull functionality.
Pin Name
txd[0]
cts[0]
txclk[0]
rxer[0]
rxclk[0]
rxdv[0]
rxd[0]
txd[1]
cts[1]
txclk[1]
rxer[1]
rxclk[1]
rxdv[1]
rxd[1]
mode
out
out
in
in
in
in
in
out
out
in
in
in
in
in
comment
Transmit data channel 0
Transmit enable channel 0
no function (do not connect)
no function (do not connect)
no function (do not connect)
no function (do not connect)
Receive data channel 0
Transmit data channel 1
Transmit enable channel 1
no function (do not connect)
no function (do not connect)
no function (do not connect)
no function (do not connect)
Receive data channel 1
Table 2: TTP/C Asynchronous Bus Interface Pins
TTP/C Synchronous Bus Interface
The TTP/C synchronous bus interface uses a synchronous transfer method to transfer data at
a rate of 25 MBit/s. PHY drivers used in commercial 100 MBit Ethernet applications can be
connected to this interface.
Pin Name
txd[0]
cts[0]
txclk[0]
rxer[0]
rxclk[0]
rxdv[0]
rxd[0]
txd[1]
cts[1]
txclk[1]
rxer[1]
rxclk[1]
rxdv[1]
rxd[1]
mode
out
out
in
in
in
in
in
out
out
in
in
in
in
in
comment
Transmit data channel 0
Transmit enable channel 0
Transmit clock channel 0
Receive error channel 0
Receive clock channel 0
Receive data valid channel 0
Receive data channel 0
Transmit data channel 1
Transmit enable channel 1
Transmit clock channel 1
Receive error channel 1
Receive clock channel 1
Receive data valid channel 1
Receive data channel 1
Table 3: TTP/C Synchronous Bus Interface Pins
Rev. 1.0, October 2000
Page 9 of 9
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