MSC8101 Datasheet

  • MSC8101

  • Networking Digital Signal Processor

  • 1873.07KB

  • Motorola

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Signals/Connections
Table 1-7.
Name
General-
Purpose I/O
PA22
Port A Signals (Continued)
Peripheral Controller:
Dedicated Signal
Protocol
FCC1: TXD3
UTOPIA
Dedicated
I/O Data
Direction
Output
Description
FCC1: UTOPIA Transmit Data Bit 3
The MSC8101 outputs ATM cell octets (UTOPIA interface data) on
TXD[0鈥?]. This is bit 3 of the transmit data. TXD7 is the most significant
bit. When no ATM data is available, idle cells are inserted. A cell is 53
bytes.
FCC1: UTOPIA Transmit Data Bit 4
The MSC8101 outputs ATM cell octets (UTOPIA interface data) on
TXD[0鈥?]. This is bit 4 of the transmit data. TXD7 is the most significant
bit. When no ATM data is available, idle cells are inserted. A cell is 53
bytes.
FCC1: MII and HDLC Nibble Transmit Data Bit 3
TXD[3鈥?] supports MII and HDLC nibble modes in FCC1. TXD3 is the
most significant bit.
FCC1: UTOPIA Transmit Data Bit 5
The MSC8101 outputs ATM cell octets (UTOPIA interface data) on
TXD[0鈥?]. This is bit 5 of the transmit data. TXD7 is the most significant
bit. When no ATM data is available, idle cells are inserted. A cell is 53
bytes.
FCC1: MII and HDLC Nibble Transmit Data Bit 2
TXD[3鈥?] is supported by MII and HDLC nibble modes in FCC1. This is
bit 2 of the transmit data. TXD3 is the most significant bit.
FCC1: UTOPIA Transmit Data Bit 6
The MSC8101MSC8101 outputs ATM cell octets (UTOPIA interface
data) on TXD[0鈥?]. This is bit 6 of the transmit data. TXD7 is the most
significant bit. When no ATM data is available, idle cells are inserted. A
cell is 53 bytes.
FCC1: MII and HDLC Nibble Transmit Data Bit 1
TXD[3鈥?] is supported by MII and HDLC transparent nibble modes in
FCC1. This is bit 1 of the transmit data. TXD3 is the most significant bit.
FCC1: UTOPIA Transmit Data Bit 7.
The MSC8101 outputs ATM cell octets (UTOPIA interface data) on
TXD[0鈥?]. TXD7 is the most significant bit. When no ATM data is
available, idle cells are inserted. A cell is 53 bytes.
FCC1: MII and HDLC Nibble Transmit Data Bit 0
TXD[3鈥?] is supported by MII and HDLC nibble modes in FCC1. TXD0
is the least significant bit.
FCC1: HDLC Serial and Transparent Transmit Data Bit
This is the single transmit data bit in supported by HDLC serial and
transparent modes.
PA21
FCC1: TXD4
UTOPIA
Output
FCC1: TXD3
MII
and
HDLC nibble
PA20
FCC1: TXD5
UTOPIA
Output
Output
FCC1: TXD2
MII
and
HDLC nibble
PA19
FCC1: TXD6
UTOPIA
Output
Output
FCC1: TXD1
MII
and
HDLC nibble
PA18
FCC1: TXD7
UTOPIA
Output
Output
FCC1: TXD0
MII
and
HDLC nibble
Output
FCC1: TXD
HDLC serial
and
transparent
Output
MSC8101 Technical Data, Rev. 16
1-18
Freescale Semiconductor

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