MC68HC16Z1CPV16 Freescale Semiconductor, MC68HC16Z1CPV16 Datasheet - Page 473

• Manufacturer Part Number: MC68HC16Z1CPV16
• Description: IC MPU 1K RAM 16MHZ 144-LQFP
• Manufacturer: Freescale Semiconductor
• Series: HC16r

Specifications of MC68HC16Z1CPV16

• 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: 144-LQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Program Memory Size: -

MINUTES:
HOURS:
RETURN: JSR
*****
DISPLAY:
SEND_HR:
SEND_COL:
SEND_MIN:
SN_COLON:
SEND_SEC:
M68HC16 Z SERIES
USER’S MANUAL
Send Time to Dummy Terminal Routine
LDAA
ADDA
DAA
CMPA
BEQ
STD
JSR
RTI
CLR
LDAA
ADDA
DAA
CMPA
BEQ
STD
JSR
RTI
CLR
LDAA
ADDA
DAA
STD
CMPA
BNE
CLR
RTI
LDAB
JSR
LDAB
JSR
LDAB
JSR
LDAB
JSR
SCCNT,Z
#$01
#$60
MINUTES
SCCNT,Z
DISPLAY
SCCNT,Z
MNCNT,Z
#$01
#$60
HOURS
MNCNT,Z
DISPLAY
MNCNT,Z
HRCNT,Z
#$01
HRCNT,Z
#$24
RETURN
HRCNT,Z
DISPLAY
HRCNT,Z
HEXTOASC
#$3A
SEND_CH
HEXTOASC
#$3A
SEND_CH
MNCNT,Z
INITIALIZATION AND PROGRAMMING EXAMPLES
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;increment # of seconds
;decimal adjust A
;compare # of seconds to 60
;if # of sec=60, then branch to minute routine
;if # of sec<60, store new # of sec
;send new time to dummy terminal for display
;return to main loop & wait for next interrupt
;advance counter for minutes
;set # of seconds to 0
;increment # of minutes
;decimal adjust A
;compare # of minutes to 60
;if # of min=60, then branch to hours routine
;if # of min<60, then store new # of min
;send new time to dummy terminal for display
;return to main loop & wait for next interrupt
;advance counter for hours
;set # of minutes to 0
;increment # of hours
;decimal adjust A
;store new # of hours
;compare # of hours to 24
;if # of hours < 24, then display new time
;if # of hours=24 then clear # of hours
;send new time to dummy terminal for display
;return to main loop & wait for next interrupt
;this routine takes what is stored in sccnt,
;mncnt and hrcnt, converts them to ASCII
;characters, and then sends them to a dummy
;terminal.
;output the hours
;convert hex number into ASCII and print
;output a colon
;ASCII number for a colon
;send character to terminal
;output the minutes
;convert hex number to ASCII and print
;output another colon
;ASCII number for a colon
;send character to terminal
;output the seconds
*****
E-21