MC68302EH16C Freescale Semiconductor, MC68302EH16C Datasheet - Page 208
MC68302EH16C
Manufacturer Part Number
MC68302EH16C
Description
IC MPU MULTI-PROTOCOL 132-PQFP
Manufacturer
Freescale Semiconductor
Datasheets
1.MC68302AG20C.pdf
(4 pages)
2.MC68302AG20C.pdf
(2 pages)
3.MC68302AG20C.pdf
(13 pages)
4.MC68302EH16C.pdf
(481 pages)
Specifications of MC68302EH16C
Processor Type
M683xx 32-Bit
Speed
16MHz
Voltage
5V
Mounting Type
Surface Mount
Package / Case
132-MQFP, 132-PQFP
Controller Family/series
68K
Core Size
32 Bit
Ram Memory Size
1152Byte
Cpu Speed
16MHz
No. Of Timers
3
Embedded Interface Type
SCP, TDM
Digital Ic Case Style
PQFP
Rohs Compliant
Yes
Family Name
M68000
Device Core
ColdFire
Device Core Size
32b
Frequency (max)
16MHz
Instruction Set Architecture
RISC
Supply Voltage 1 (typ)
5V
Operating Temp Range
0C to 70C
Operating Temperature Classification
Commercial
Mounting
Surface Mount
Pin Count
132
Package Type
PQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Features
-
Lead Free Status / Rohs Status
RoHS Compliant part
Electrostatic Device
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- MC68302AG20C PDF datasheet
- MC68302AG20C PDF datasheet #2
- MC68302AG20C PDF datasheet #3
- MC68302EH16C PDF datasheet #4
- Current page: 208 of 481
- Download datasheet (2Mb)
Communications Processor (CP)
The purpose of the control characters table is to enable automatic recognition (by the BI-
SYNC controller) of the end of the current block. See 4.5.13.14 Programming the BISYNC
Controllers for more information. Since the BISYNC controller imposes no restrictions on the
format of the BISYNC blocks, user software must respond to the received characters and
inform the BISYNC controller of mode changes and certain protocol events (e.g., resetting
the BCS). However, correct use of the control characters table allows the remainder of the
block to be received without interrupting the user software.
Up to eight control characters may be defined. These characters inform the BISYNC con-
troller that the end of the current block has been reached and whether a BCS is expected
following this character. For example, the end of text (ETX) character implies both an end
of block (ETB) and a BCS should be received. An enquiry (ENQ) character designates end
of block without a subsequent BCS. All the control characters are written into the data buffer.
The BISYNC controller uses a table of 16-bit entries to support control character recognition.
Each entry consists of the control character, an end-of-table bit, a BCS expected bit, and a
hunt mode bit. The control characters table is shown in Figure 4-31. To disable the entire
control characters table, write $8000 to the first table entry.
CHARACTER8–CHARACTER1—Control Character Value
E—End of Table
4-88
OFFSET + 0
OFFSET + 4
OFFSET +2
OFFSET + E
These fields define control characters.
0 = This entry is valid. The lower eight bits will be checked against the incoming char-
1 = The entry is not valid. No valid entries exist beyond this entry.
acter.
15
E
E
E
E
When using 7-bit characters with parity, the parity bit should be
included in the control character value.
14
B
B
B
•
•
•
B
Figure 4-31. BISYNC Control Characters Table
13
H
H
H
H
12
11
MC68302 USER’S MANUAL
10
NOTE
9
8
7
CHARACTER1
CHARACTER2
CHARACTER3
CHARACTER8
MOTOROLA
0
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