MC68EN360AI25VL Freescale, MC68EN360AI25VL Datasheet - Page 610

• Manufacturer Part Number: MC68EN360AI25VL
• Manufacturer: Freescale

Specifications of MC68EN360AI25VL

• Family Name: M68000
• Device Core: ColdFire
• Device Core Size: 32b
• Frequency (max): 25MHz
• Instruction Set Architecture: RISC
• Operating Supply Voltage (max): 3.3V
• Operating Supply Voltage (min): 2.7V
• Operating Temp Range: 0C to 70C
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 240
• Package Type: FQFP
• Lead Free Status / RoHS Status: Compliant

Serial Management Controllers (SMCs)
7.11.7.13 SMC UART TRANSMIT BUFFER DESCRIPTOR (TX BD). Data is presented to
the CP for transmission on an SMC channel by arranging it in buffers referenced by the
7-286
POINTER
POINTER
POINTER
POINTER
LENGTH
LENGTH
LENGTH
LENGTH
STATUS
STATUS
STATUS
STATUS
RECEIVED BY UART
CHARACTERS
TIME
E
0
E
E
1
E
0
0
32-BIT BUFFER POINTER
32-BIT BUFFER POINTER
32-BIT BUFFER POINTER
32-BIT BUFFER POINTER
10 CHARS
RECEIVE BD 1
RECEIVE BD 0
RECEIVE BD 3
RECEIVE BD 2
Figure 7-76. SMC UART Rx BD Example
XXXX
Freescale Semiconductor, Inc.
0004
0008
0002
ID
ID
1
0
ID
0
For More Information On This Product,
MC68360 USER’S MANUAL
FR
1
Go to: www.freescale.com
LONG IDLE PERIOD
FRAMING ERROR
BYTE 4 HAS
IDLE TIMEOUT
OCCURRED
RECEPTION
PROGRESS
WITH THIS
STILL IN
BUFFER
BUFFER
FULL
MRBLR = 8 BYTES FOR THIS SMC
STORED UNLESS IDLE
COUNT EXPIRES
BYTE 4 ERROR!
BYTES WILL BE
HAS FRAMING ERROR!
FOURTH CHARACTER
ADDITIONAL
(MAX_IDL)
BUFFER
BUFFER
BYTE 10
BUFFER
BYTE 2
BYTE 9
BYTE 1
BYTE 3
EMPTY
BYTE 5
BUFFER
EMPTY
BYTE 8
BYTE 1
BYTE 2
ETC.
5 CHARS
PRESENT
TIME
8 BYTES
8 BYTES
8 BYTES
8 BYTES