MC68302EH16C Freescale Semiconductor, MC68302EH16C Datasheet - Page 363

IC MPU MULTI-PROTOCOL 132-PQFP

MC68302EH16C

Manufacturer Part Number
MC68302EH16C
Description
IC MPU MULTI-PROTOCOL 132-PQFP
Manufacturer
Freescale Semiconductor

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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MOTOROLA
* Set up PACNT, PBCNT, etc., ignore for this example, only SCC1 is used
* Select Serial Interface Mode: normal operation, NMSI mode
*** SCC1 Initialization ***
*
*
* Determine Configuration
* Use Baud Rate Generator for transmit and receive, Rate is 130 kbps.
* Select SCC Mode
* HDLC, Loopback mode, CRC16, RTS negate between frames, NRZ mode.
* Set up Parameter RAM
* Clear Event Register
* Determine Maskable Interrupt Events by setting SCCM
* Allow the following interrupt: TXE, RFX, TXB, and RFB
* Clear M68000 data registers
***Prepare Buffer Descriptors ***
*SCC1 Rx Buffer Descriptors Initialization values before execution:
*00700400 D000 0000 0003 0000 D000 0000 0003 0010
*00700410 D000 0000 0003 0020 D000 0000 0003 0030
*00700420 D000 0000 0003 0040 D000 0000 0003 0050
*00700430 D000 0000 0003 0060 F000 0000 0003 0070
*
v7–v5 =5, v4–v0 = $ad -> vector = $ad -> Exception vector = ($ad<<2) = $2b4
Interrupt Vector: SCC1 interrupt handler is at INT_VEC = $31000
MOVE.W
MOVE.L
MOVE.W
MOVE.W
MOVE.W
MOVE.W
MOVE.W
MOVE.W
MOVE.W
MOVE.W
MOVE.W
MOVE.W
MOVE.W
MOVE.W
MOVE.B
MOVE.B
CLR.L
CLR.L
CLR.L
CLR.L
CLR.L
CLR.L
LEA.L
LEA.L
MOVE.W
MOVE.W
#0,SIMODE
#INT_VEC, $02B4
#$07E,SCON1
#$10,SCM1
#0,FCR_1
#$08,MRBLR_1
#$F0B8,CMSKL_1
#$070,MFLR_1
#0,HMASK_1
#0,DISFC_1
#0,CRCEC_1
#0,ABTSC 1
#0,NMARC_1
#0,RETRC_1
#$FF,SCCE1
#$1B,SCCM1
D0
D1
D2
D3
D4
D5
RXBD_01,A0
RXBF_01,A1
#$D000,D1
#$F000,D2
MC68302 USER’S MANUAL
;Same as default after reset
; Clear RFCR and TFCR
; Max Buffer Length = 8
; 16 bit CRC
; Max Frame Length = $70 bytes
; Do not check address
; Clear the counter
; Clear the counter
; Clear the counter
; Clear the counter
; Clear the counter
;A0 points to the first RXBD of SCC1
;A1 points to the first buffer
;D1 is used for setting the status of BD
;Empty = 1, External = 1, Int=1
;D2 is for the last BD, Wrap = 1
MC68302 Applications
D-13

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