mpc823rg Freescale Semiconductor, Inc, mpc823rg Datasheet - Page 670

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mpc823rg

Manufacturer Part Number
mpc823rg
Description
Mpc823 Powerquicc Integrated Communications Processor For Portable Systems
Manufacturer
Freescale Semiconductor, Inc
Datasheet
Communication Processor Module
POINTER
POINTER
POINTER
POINTER
LENGTH
STATUS
LENGTH
STATUS
LENGTH
STATUS
LENGTH
STATUS
RECEIVED BY UART
CHARACTERS
TIME
E
Figure 16-74. SCC2 UART Receive Buffer Descriptor Example
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
Freescale Semiconductor, Inc.
XXXX
0004
0008
0002
For More Information On This Product,
ID
ID
1
0
ID
0
MPC823 REFERENCE MANUAL
FR
Go to: www.freescale.com
1
LONG IDLE PERIOD
FRAMING ERROR
BYTE 4 HAS
IDLE TIMEOUT
OCCURRED
RECEPTION
PROGRESS
WITH THIS
BUFFER
STILL IN
BUFFER
FULL
MRBLR = 8 BYTES FOR SCC2
STORED UNLESS IDLE
COUNT EXPIRES
BYTE 4 ERROR!
HAS FRAMING ERROR!
BYTES WILL BE
FOURTH CHARACTER
ADDITIONAL
(MAX_IDL)
BUFFER
BUFFER
BYTE 10
BUFFER
BYTE 2
BUFFER
BYTE 9
BYTE 1
BYTE 3
EMPTY
BYTE 5
EMPTY
BYTE 8
BYTE 1
BYTE 2
ETC.
5 CHARS
PRESENT
MOTOROLA
TIME
8 BYTES
8 BYTES
8 BYTES
8 BYTES

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