MC68302EH16C Freescale Semiconductor, MC68302EH16C Datasheet - Page 28
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)
General Description
In the example shown in Figure 1-4, one SCC channel connects through the NMSI mode to
a commercial packet data network. This connection might be used for remote status moni-
toring or for maintenance functions for a system. Another SCC is used to connect to a local
asynchronous terminal. The other SCC channel is used as a local synchronous channel,
which could connect to another computer or subsystem. The SCP channel could then be
used for local interconnection of interface chips or peripherals to the MC68302-based sys-
tem.
1.5 BASIC RATE ISDN OR DIGITAL VOICE/DATA TERMINAL
A basic rate ISDN (2B + D) or digital voice/data terminal can be made from a chip set based
on the MC68302. Refer to Figure 1-5 for an example of a basic rate ISDN voice/data termi-
nal. In this terminal, the CP can directly support the 2B + D channels and perform either
V.110 or V.120 rate adaption. The physical layer serial interface is connected to the local
interconnection bus (IDL in Figure 1-5, but the GCI and PCM buses can also be supported).
The system then supports one of the B channels for voice (connected directly to the physical
bus). The D channel consists of one SCC port; the other B channel is used for data transfer
through a second SCC port. The data can be routed to a terminal (RS-232 type) via the third
SCC port in the NMSI mode. The SCP functions as a control channel for the IDL bus in this
case.
Some ISDN physical layer devices support the signaling and framing functions of the D
channel. In these cases, the D channel can connect through the microprocessor interface
to the physical layer device, and the extra SCC port can then be used for a second B channel
to transfer data.
The benefit of a local interconnection bus (see Figure 1-5) versus a microprocessor bus is
a lower pin count. It is also easy to maintain this low pin-count interface between several
different interface chips, such as the MC145554 PCM codec/filter monocircuit and the
MC145474 S/T transceiver.
The MC68302 combines the M68000 architecture with a number of peripherals for integrat-
ed applications in communications control. The M68000 core manages the CP through the
on-chip, dual-port RAM and internal registers. The base address of the dual-port RAM and
internal registers is selected through the base address register. Other peripherals are also
accessed and controlled through internal registers: the IDMA controller, the three timers,
I/O ports, and the interrupt controller.
1-6
MC68302 USER’S MANUAL
MOTOROLA
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