MC68MH360EM25L Freescale Semiconductor, MC68MH360EM25L Datasheet - Page 625

• Manufacturer Part Number: MC68MH360EM25L
• Description: IC MPU QUICC ETHER 25MHZ 240FQFP
• Manufacturer: Freescale Semiconductor

Specifications of MC68MH360EM25L

• Processor Type: M683xx 32-Bit
• Speed: 25MHz
• Voltage: 5V
• Mounting Type: Surface Mount
• Package / Case: 240-FQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Features: -

R—Ready
Bits 14, 10, 8–2, 0—Reserved
W—Wrap (Final BD in Table)
I—Interrupt
L— Last in Message
CM—Continuous Mode
MOTOROLA
OFFSET + 0
OFFSET + 2
OFFSET + 4
OFFSET + 6
NOTE : Entries in boldface must be initialized by the user
0 = The data buffer associated with this BD is not ready for transmission. The user is
1 = The data buffer, which has been prepared for transmission by the user, has not
0 = This is not the last BD in the Tx BD table.
1 = This is the last BD in the Tx BD table. After this buffer has been used, the CP will
0 = No interrupt is generated after this buffer has been serviced.
1 = The TX or TXE bit in the event register will be set when this buffer has been ser-
0 = The last byte in the buffer is not the last byte in the transmitted transparent frame.
1 = The last byte in this buffer is the last byte in the transmitted transparent frame. After
0 = Normal operation.
1 = The R-bit is not cleared by the CP after this BD is closed, allowing the associated
free to manipulate this BD or its associated data buffer. The CP clears this bit after
the buffer has been transmitted or after an error condition is encountered.
been transmitted or is currently being transmitted. No fields of this BD may be writ-
ten by the user once this bit is set.
receive incoming data into the first BD in the table (the BD pointed to by TBASE).
The number of Tx BDs in this table is programmable and is determined by the
W-bit and the overall space constraints of the dual-port RAM.
viced. TX and TXE can cause interrupts if they are enabled.
Data from the next transmit buffer (if ready) will be transmitted immediately follow-
ing the last byte of this buffer.
this buffer is transmitted, the transmitter will require synchronization before the
next buffer will be transmitted.
data buffer to be retransmitted automatically when the CP next accesses this BD.
However, the R-bit will be cleared if an error occurs during transmission, regard-
less of the CM bit.
15
R
14
—
13
W
Freescale Semiconductor, Inc.
For More Information On This Product,
12
I
11
L
MC68360 USER’S MANUAL
Go to: www.freescale.com
10
—
CM
TX DATA BUFFER POINTER
9
DATA LENGTH
—
8
—
7
Serial Management Controllers (SMCs)
—
6
—
5
—
4
—
3
—
2
UN
1
7-301
—
0