MC68302EH16C Freescale Semiconductor, MC68302EH16C Datasheet - Page 166
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)
The UART may receive fractional stop bits. The next character's start bit may begin anytime
after the 11th internal clock of the previous character's first stop bit (the UART uses a 16X
clock).
The UART transmit shift register transmits the outgoing data on the TXD pin as shown in
Figure 4-17. Data is clocked synchronously with the transmit clock, which may have either
an internal or external source. The order of bit transmission is as stated for reception.
Only the data portion of the UART frame is actually stored in the data buffers. The start and
stop bits are always generated and stripped by the UART controller. The parity bit may also
be generated in the case of transmission, and checked during reception. Although parity is
not stored in the data buffer, its value may be inferred by the reporting mechanism in the
data buffer (i.e., characters with parity errors are identified). Similarly, the optional address
bit is not stored in the transmit or receive data buffer, but is implied from the buffer descriptor
itself. Parity is generated and checked for the address bit, when present.
4.5.11.2 Asynchronous DDCMP MODE
The IMP also allows the DDCMP protocol to be run over an asynchronous connection, using
the UART. The description of this operation is contained in 4.5.14 DDCMP Controller. This
operation uses the DDCMP buffer structures and the DDCMP-specific parameter RAM;
however, the SCC mode register must be configured as a UART. The proper programming
of the UART mode register to obtain asynchronous DDCMP is covered in 4.5.11.13 UART
Mode Register.
4.5.11.3 UART Memory Map
When configured to operate in UART mode, the IMP overlays the structure (see Table 4-6)
onto the protocol-specific area of that SCC's parameter RAM. Refer to 2.8 MC68302 Mem-
ory Map for the placement of the three SCC parameter RAM areas and to Table 4-5 for the
other parameter RAM values.
4-46
# Initialized by the user (M68000 core).
SCC Base + 9C #
SCC Base + 9E
SCC Base + A0 #
SCC Base + A2 #
SCC Base + A4 #
SCC Base + A6 #
SCC Base + A8 #
SCC Base + AA #
SCC Base + AC #
SCC Base + AE
SCC Base + B0 #
SCC Base + B2 #
SCC Base + B4 #
SCC Base + B6 #
SCC Base + B8 #
SCC Base + BA #
SCC Base + BC #
SCC Base + BE #
Address
Table 4-7. UART Specific Parameter RAM
CHARACTER1
CHARACTER2
CHARACTER3
CHARACTER4
CHARACTER5
CHARACTER6
CHARACTER7
CHARACTER8
MAX_IDL
UADDR1
UADDR2
BRKCR
FRMEC
NOSEC
PAREC
BRKEC
RCCR
Name
IDLC
MC68302 USER’S MANUAL
Width
Word
Word
Word
Word
Word
Word
Word
Word
Word
Word
Word
Word
Word
Word
Word
Word
Word
Word
Maximum IDLE Characters (Receive)
Temporary Receive IDLE Counter
Break Count Register (Transmit)
Receive Parity Error Counter
Receive Framing Error Counter
Receive Noise Counter
Receive Break Condition Counter
UART ADDRESS Character 1
UART ADDRESS Character 2
Receive Control Character Register
CONTROL Character 1
CONTROL Character 2
CONTROL Character 3
CONTROL Character 4
CONTROL Character 5
CONTROL Character 6
CONTROL Character 7
CONTROL Character 8
Description
MOTOROLA
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