MC68302EH16C Freescale Semiconductor, MC68302EH16C Datasheet - Page 371
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
- Current page: 371 of 481
- Download datasheet (2Mb)
MOTOROLA
* of idles are received without a new * character. Note that 0 is the maximum
* value. In this case the buffer will always be closed after 1 character, so
* MAX_IDL is a don't care.
* STOP TRANSMIT command executed. The STOP TRANSMIT command is not used in
* this code.
* Initialize counters to zero
* UART Address characters not used in normal operation.
* Initialize CHARACTER8
* No control characters are initialized to cause special interrupts.
* The flow-control facility (XON-XOFF) is not used.
*Interrupts in SCCM3 are allowed only for BRK (break character
*received), BSY (no receive buffer available), and RX (buffer
* received). Note that buffers are 1 character in this application.
* Set ENR and ENT bib in SCM3.
***************************************************************************
* Tr ans mit C od e
* OUTERLOOP
OUTLOOP
* INNERLOOP:
INLOOP
* The following sets up and sends out the transmit buffer
MOVE.W
MOVE.W
MOVE.W
MOVE.W
MOVE.W
MOVE.W
MOVE.W
MOVE.W
MOVE.W
MOVE.B
MOVE.B
MOVE.W
MOVE.W
CLR.L
CLR.L
CLR.L
CLR.L
CLR.L
CLR.L
MOVEA.L
MOVEA.L
MOVEA.L
MOVE.W
CMPI.B
BEQ.B
SUBQ.B
BTST.B
BNE.B
ADDO.W
MOVEA.L
ADDQ.W
MOVEA.L
MOVE.B
ADDQ.W
MOVE.W
SUBO.W
#$1,$7006A0
#$0,$7006A2
#$0,$7006A4
#$0,$7006A6
#$0,S7006A8
#$0,$7006aa
#$0,$7006ac
#$8000,$7006B0
#$0000,$7006BE
#$FF,SCCE3
#$15,SCCM3
#$0100,1MR
#$17d,SCM3
D0
D1
D3
D4
D5
D6
#$700600,A0
#$30002,A1
#$700640,A2
#$2000,SR
#$0,D6
OUTLOOP
#$1,D6
#$07,(A2)
INLOOP
#$1,D4
A2,A3
#$4,A3
(A3),A3
(A1),(A3)
#2,A2
#$1,(A2)
#2,A2
MC68302 USER’S MANUAL
;BRKCR = 1. Only one break char. sent if
;PAREC = 0000
;FRMEC = 0000
;NOSEC = 0000
;BRKEC = 0000
;UADDR1 = 0000
;UADDR2 = 0000
;CHARACTER1 = 8000
;CHARACTER8 = 0000
;clear SCCE3
;SCCM3 = 15
;IMR=0100. Allow SCC3 interrupts only.
;SCM3 = 017d
;clear all used data registers
;Load A0 as current Rx BD pointer
;Load A1 as current “next Tx Byte” ptr
;Load A2 as current Tx BD pointer
;Enable interrupts. Stay in spvr mode.
; Something to send (is D6> =1?)
; Stay in outerloop if 0
; Decrement send status by 1 (0 = empty)
; Test Ready bit of Tx BD
; Fall thru if 0, else wait in innerloop
; Increment number of chars transmitted
; A3 will be used to find Tx data buffer
; Inc A3 to point to Tx data pointer
; A3 now points to Tx Data buffer
; Move char from Rx Buffer to Tx Buffer
; Increment A2 to point to byte count
; Set TxBD Byte count to 1
; A2 now points to beginning of Tx BD
MC68302 Applications
D-21
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