MC68302EH16C Freescale Semiconductor, MC68302EH16C Datasheet - Page 209
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: 209 of 481
- Download datasheet (2Mb)
B—BCS Expected
H—Enter Hunt Mode
4.5.13.6 BSYNC-BISYNC SYNC Register
The 16-bit, memory-mapped, read-write BSYNC register is used to define the BISYNC strip-
ping and insertion of the SYNC character. When an underrun occurs during message trans-
mission, the BISYNC controller will insert SYNC characters until the next data buffer is
available for transmission. When the BISYNC receiver is not in hunt mode and a SYN1 char-
acter has been received and discarded, the receiver will discard a SYNC character if the val-
id (V) bit is set.
4.5.13.7 BDLE-BISYNC DLE Register
The 16-bit, memory-mapped, read-write BDLE register is used to define the BISYNC strip-
ping and insertion of the DLE character. When the BISYNC controller is in transparent mode
and an underrun occurs during message transmission, the BISYNC controller inserts DLE-
SYNC pairs until the next data buffer is available for transmission.
When the BISYNC receiver is in transparent mode and a DLE character is received, the re-
ceiver discards this character and excludes it from the BCS if the valid (V) bit is set. If the
second (next) character is a SYNC character, the BISYNC controller discards it and ex-
MOTOROLA
15
V
0 = The character is written into the receive buffer. The buffer is then closed.
1 = The character is written into the receive buffer. The receiver waits for one LRC or
0 = The BISYNC controller will maintain character synchronization after closing this
1 = The BISYNC controller will enter hunt mode after closing the buffer. When the B bit
14
0
two CRC bytes of BCS and then closes the buffer. This should be used for ETB,
ETX, and ITB.
buffer.
is set, the controller will enter hunt mode after the reception of the BCS.
In tables with eight control characters, E should be zero in all
eight positions.
A maskable interrupt is generated after the buffer is closed.
Normal Bisync operation requires that SYN1=SYN2=SYNC
(and the V bit must be set in the BISYNC SYNC register).
When using 7-bit characters with parity, the parity bit should be
included in the SYNC register value.
13
0
12
0
11
0
10
0
MC68302 USER’S MANUAL
9
0
NOTE
NOTE
NOTE
8
0
7
6
5
Communications Processor (CP)
4
SYNC
3
2
1
4-89
0
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