MC68302EH16C Freescale Semiconductor, MC68302EH16C Datasheet - Page 210
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
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- Download datasheet (2Mb)
Communications Processor (CP)
cludes it from the BCS. If the second character is a DLE, the BISYNC controller will write it
to the buffer and include it in the BCS. If the character is not a DLE or SYNC, the BISYNC
controller will examine the control characters table and act accordingly. If the character is
not in the table, the buffer will be closed with the DLE follow character error (DL) bit set. If
the V bit is not set, the receiver will treat the character as a normal character.
4.5.13.8 BISYNC Error-Handling Procedure
The BISYNC controller reports message reception and transmission error conditions using
the channel BDs, the error counters, and the BISYNC event register. The modem interface
lines can also be directly monitored in the SCC status register.
Transmission Errors:
Reception Errors:
4-90
1. Transmitter Underrun. When this error occurs, the channel terminates buffer transmis-
2. Clear-To-Send Lost During Message Transmission. When this error occurs and the
1. Overrun Error. The BISYNC controller maintains an internal three-byte FIFO for re-
2. Carrier Detect Lost During Message Reception. When this error occurs and the chan-
3. Parity Error. When this error occurs, the channel writes the received character to the
15
V
sion, closes the buffer, sets the underrun (UN) bit in the BD, and generates the TXE
interrupt (if enabled). The channel resumes transmission after the reception of the RE-
START TRANSMIT command. Underrun cannot occur between frames or during a
DLE-XXX pair in transparent mode. The FIFO size is three bytes in BISYNC.
channel is not programmed to control this line with software, the channel terminates
buffer transmission, closes the buffer, sets the CTS lost (CT) bit in the BD, and gener-
ates the TXE interrupt (if enabled). The channel will resume transmission after the re-
ception of the RESTART TRANSMIT command.
ceiving data. The CP begins programming the SDMA channel (if the data buffer is in
external memory) and updating the CRC when the first word is received into the FIFO.
If a FIFO overrun occurs, the BISYNC controller writes the received data byte to the
internal FIFO over the previously received byte. The previous character and its status
bits are lost. Following this, the channel closes the buffer, sets the overrun (OV) bit in
the BD, and generates the RX interrupt (if enabled). The receiver then enters hunt
mode immediately.
nel is not programmed to control this line with software, the channel terminates mes-
sage reception, closes the buffer, sets the carrier detect lost (CD) bit in the BD, and
generates the RX interrupt (if enabled). This error is the highest priority; the rest of the
message is lost and no other errors are checked in the message. The receiver then
enters hunt mode immediately.
14
0
When using 7-bit characters with parity, the parity bit should be
included in the DLE register value.
13
0
12
0
11
0
10
0
MC68302 USER’S MANUAL
9
0
NOTE
8
0
7
6
5
4
DLE
3
2
MOTOROLA
1
0
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