MC68302EH16C Freescale Semiconductor, MC68302EH16C Datasheet - Page 217
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)
TD—Transmit DLE
TR—Transparent Mode
The following status bits are written by the CP after it has finished transmitting the associat-
ed data buffer.
UN—Underrun
CT—CTS Lost
Data Length
Tx Buffer Pointer
4.5.13.12 BISYNC Event Register
The SCC event register (SCCE) is referred to as the BISYNC event register when the SCC
is programmed as a BISYNC controller. It is an 8-bit register used to report events recog-
MOTOROLA
The BISYNC controller encountered a transmitter underrun condition while transmitting
the associated data buffer.
CTS in NMSI mode or L1GR in IDL/GCI mode was lost during message transmission.
The data length is the number of octets that the CP should transmit from this BD's data
buffer. It is never modified by the CP. The data length should be greater than zero.
The transmit buffer pointer, which always points to the first byte of the associated data
buffer, may be even or odd. The buffer may reside in either internal or external memory.
0 = No automatic DLE transmission before the data buffer.
1 = The transmitter will transmit a DLE character before sending the data buffer, which
0 = The transmitter will enter (remain in) the normal mode after sending the data buffer.
1 = The transmitter enters or remains in transparent mode after sending the data buff-
saves writing the first DLE to a separate data buffer when working in transparent
mode. The transmitter also checks for a DLE character in the middle of a buffer. If
found, it will insert an extra DLE (if the V-bit is set in the BISYNC SYNC register).
In this mode, the transmitter will automatically insert SYNCs in an underrun condi-
tion.
er. In this mode, the transmitter automatically inserts DLE-SYNC pairs in the un-
derrun condition. Underrun occurs when the BISYNC controller finishes a buffer
with L set to zero and the next BD is not available. The transmitter also checks all
characters before sending them; if a DLE is detected, another DLE is automatically
sent. The user must insert a DLE or program the BISYNC controller to insert it (us-
ing TD) before each control character required. The transmitter will calculate the
CRC16 BCS even if the BCS bit in the BISYNC mode register is programmed to
LRC. The PTCRC should be initialized to the CRC16 preset before setting this bit.
For correct operation of the function codes, the upper 8 bits of
the pointer must be initialized to zero.
MC68302 USER’S MANUAL
NOTE
Communications Processor (CP)
4-97
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