MC68302EH16C Freescale Semiconductor, MC68302EH16C Datasheet - Page 364
![IC MPU MULTI-PROTOCOL 132-PQFP](/photos/6/76/67684/mc68302eh16c_sml.jpg)
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
Available stocks
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Price
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Part Number:
MC68302EH16C
Manufacturer:
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Quantity:
135
Company:
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MC68302EH16C
Manufacturer:
PANA
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Quantity:
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Part Number:
MC68302EH16C
Manufacturer:
FREESCALE
Quantity:
20 000
Company:
Part Number:
MC68302EH16CB1
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
Company:
Part Number:
MC68302EH16CR2
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
- MC68302AG20C PDF datasheet
- MC68302AG20C PDF datasheet #2
- MC68302AG20C PDF datasheet #3
- MC68302EH16C PDF datasheet #4
- Current page: 364 of 481
- Download datasheet (2Mb)
MC68302 Applications
D-14
Set RXBD
* Set the last BD
*SCC1 Tx Buffer Descriptors Initialization values before execution
*00700440 5C00 0000 0003 0080 5C00 0000 0003 0090
*00700450 5C00 0000 0003 00A0 5C00 0000 0003 00B0
*00700460 5C00 0000 0003 00C0 5C00 0000 0003 00D0
*00700470 5C00 0000 0003 00E0 7C00 0000 0003 00F0
*
*
SetTXBD
*Set the last BD
***Prepare Tx Buffers: In this example each frame fits into one buffer ***
*00030080 0001 0203 0405 0607 0809 0A0B 0C0D 0E0F
*00030090 0001 0203 0405 0607 0809 0A0B 0C0D 0E0F
* . . .
*000300F0 0001 0203 0405 0607 0809 0A0B 0C0D 0E0F
NxtBF
NxtBT
MOVE.B
SUBQ.B
MOVE.W
MOVE.W
MOVE.L
ADDQ.L
ADDA.L
DBRA
MOVE.W
MOVE.W
MOVE.L
LEA.L
LEA.L
MOVE.W
MOVE.W
MOVE.L
SUBQ.B
MOVE.W
MOVE.W
MOVE.L
ADDQ.L
ADDA.L
DBRA
MOVE.W
MOVE.W
MOVE.L
LEA.L
MOVE.L
SUBO.B
CLR.L
MOVE.B
ADDQ.B
CMPI.B
#BD_CNT,D3
#2,D3
D1,ST_BD(A0)
#0,LN_BD(A0)
A1,PT BD(A0)
#SZ_BD,A0
#SZ_BF,A1
D3,SetRXBD
D2,ST_BD(A0)
#0,LN_BD(A0)
A1,PT_BD(A0)
TXBD_01,A0
TXBF_01,A1
#$5C00, D1
#$7C00,D2
#BD_CNT,D3
#$2,D3
D1,ST_BD(A0)
#0,LN_BD(A0)
A1,PT_BD(A0)
#SZ_BD,A0
#SZ_BF,A1
D3,SetTXBD
D2,ST_BD(A0)
#0,LN_BD(A0)
A1,PT_BD(A0)
TXBF_01,A0
#SZ_BD,D1
#1,D1
D2
D2,(A0)+
#$1,D2
#SZ_BF,D2
MC68302 USER’S MANUAL
;# of BD used = 8
;Set Control and Status Bits
;Length = 0
;Set buffer pointer
;Next BD
;Next BF
;Wrap = 1
;Length = 0
;Buffer Pointer
;A0 points to the first TXBD of SCC1
;A1 points to the first buffer
;D1 is used for setting the status of BD
;Ready = 0, External = 1, Interrupt = 1,
;Last = 1, TxCRC = 1
;D2 is for the last BD, Wrap = 1
;# of BD used = 8
;Count from 6 to 0
;Set Control and Status Bits
;Length = 0
;Set buffer pointer
;Next BD
;Next BF
;Wrap = 1
;Length = 0
;Buffer Pointer
;A1 points to the first buffer
;D1 is used to count the BD
;D2 is used as content and counter of BF
;Number of data in a buffer is 16
MOTOROLA
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