MC68HC16Z1CFC16 Freescale Semiconductor, MC68HC16Z1CFC16 Datasheet - Page 467

• Manufacturer Part Number: MC68HC16Z1CFC16
• Description: IC MPU 1K RAM 16MHZ 132-PQFP
• Manufacturer: Freescale Semiconductor
• Series: HC16r

Specifications of MC68HC16Z1CFC16

• Core Processor: CPU16
• Core Size: 16-Bit
• Speed: 16MHz
• Connectivity: EBI/EMI, SCI, SPI
• Peripherals: POR, PWM, WDT
• Number Of I /o: 16
• Program Memory Type: ROMless
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 132-QFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Program Memory Size: -

*****
MAIN:
XLOOP:
PRINT:
*****
SEND_STRING:
STRING_DONE:
SEND_CH:
time
M68HC16 Z SERIES
USER’S MANUAL
The Main Program
Subroutines
LDD
STD
LDD
STD
LDD
STD
LDD
STD
LDAB
TBXK
LDX
LDAB
TBZK
LDZ
LDD
STD
AIX
AIZ
CMPA
BEQ
CMPB
BNE
LDAB
TBXK
LDX
JSR
BRA
LDAB
BEQ
JSR
AIX
BRA
RTS
LDAA
ANDA
#$3030
CSOR1
#$0303
CSBAR2
#$7830
CSOR2
#$3FFF
CSPAR0
#$00
#STRING
#$03
#0000
0,X
0,Z
#2
#2
#$00
PRINT
#$00
XLOOP
#$03
#$0000
SEND_STRING
PRINT
0,X
STRING_DONE
SEND_CH
#1
SEND_STRING
SCSR
#01
INITIALIZATION AND PROGRAMMING EXAMPLES
*****
Freescale Semiconductor, Inc.
For More Information On This Product,
*****
Go to: www.freescale.com
;set Chip Select 1, lower byte, write only
;set Chip Select 2 to fire at base addr $30000
;set Chip Select 2, both bytes, read and write
;set Chip Selects 0,1,2 to 16-bit ports
;Move data from another place in memory
;into the U1 and U3 RAM slots.....
;set XK to bank 0 for access to the STRING
;load the starting address of STRING into IX
;set ZK to bank 3
;for access to U1 & U3 during write in XLOOP
;clear IZ so ZK:IZ = $30000
;load two bytes from $10000 into accum. D
;store accum. D into U1 and U3 RAM:
;the chip select logic takes care of us!
;increment X index register to next word
;increment Z index register to next word
;end xloop if the end of the string $00 is
;detected in either accumulator A or B
;This loop reads its string from the U1 and U3
;slots and prints it at the dummy terminal....
;set XK:IX index to point to bank 3
;point to the beginning of the ASCII string
;go output the ASCII string
;loop back and print again
;subroutine to send out the entire ASCII
;string
;get next char in string as pointed to by IX
;if B=00, then message is done
;go send out a character
;increment IX to point to the next ASCII char
;loop back
;go back to whence we came
;subroutine to send out one character at a
;read the SCI status reg to check TDRE bit
;check only the tdre flag bit
E-15