MC68302EH16C Freescale Semiconductor, MC68302EH16C Datasheet - Page 200
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)
UN—Underrun
The HDLC controller encountered a transmitter underrun condition while transmitting the as-
sociated data buffer.
CT—CTS Lost
CTS in NMSI mode or L1GR (layer-1 grant) in IDL/GCI mode was lost during frame trans-
mission. If data from more than one buffer is currently in the FIFO when this error occurs,
this bit will be set in the Tx BD that is currently open.
Data Length
Tx Buffer Pointer
4.5.12.12 HDLC Event Register
The SCC event register (SCCE) is called the HDLC event register when the SCC is operat-
ing as an HDLC controller. It is an 8-bit register used to report events recognized by the
HDLC channel and to generate interrupts. Upon recognition of an event, the HDLC controller
sets its corresponding bit in the HDLC event register. Interrupts generated by this register
may be masked in the HDLC mask register.
The HDLC event register is a memory-mapped register that may be read at any time. A bit
is cleared by writing a one; writing a zero does not affect a bit's value. More than one bit may
be cleared at a time. All unmasked bits must be cleared before the CP will clear the internal
interrupt request. This register is cleared at reset.
An example of the timing of various events in the HDLC event register is shown in Figure 4-
29.
4-80
The data length is the number of octets the HDLC controller should transmit from this BD's
data buffer. It is never modified by the CP. The value of this field should be greater than
zero.
The transmit buffer pointer, which contains the address of the associated data buffer, may
be even or odd. The buffer may reside in either internal or external memory.
For correct operation of the function codes, the upper 8 bits of
the pointer must be initialized to zero.
MC68302 USER’S MANUAL
NOTE
MOTOROLA
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