MC68HC16Z1CPV25 Freescale Semiconductor, MC68HC16Z1CPV25 Datasheet - Page 469

• Manufacturer Part Number: MC68HC16Z1CPV25
• Description: IC MPU 1K RAM 25MHZ 144-LQFP
• Manufacturer: Freescale Semiconductor
• Series: HC16r

Specifications of MC68HC16Z1CPV25

• Core Processor: CPU16
• Core Size: 16-Bit
• Speed: 25MHz
• 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: -
• Other names: Q1141110

CNT
DLY
*****
MAIN:
NOT_L:
LOOP1:
LOOP2:
LOOP3:
*****
DELAY:
LOOP4:
SEND_STRING:
M68HC16 Z SERIES
USER’S MANUAL
Main Program
Subroutines
STD
LDAB
TBZK
LDZ
EQU
EQU
LDAB
STAB
BRCLR
LDD
STD
JSR
LDX
JSR
LDAB
STAB
LDX
JSR
DEC
BNE
LDAB
STAB
BRCLR
LDD
STD
JSR
LDX
JSR
LDAB
STAB
LDX
JSR
DEC
BNE
LBRA
LDD
STD
DEC
BNE
RTS
LDAB
BEQ
SCCR1
#$01
#$0000
$0000
$0002
#$7F
SYNCR
SYNCR+1,#8,NOT_L
#$01B5
SCCR0
DELAY
#STRING
SEND_STRING
#$05
CNT,Z
#SEC_STR
SEND_STRING
CNT,Z
LOOP1
#$4F
SYNCR
SYNCR+1,#8,LOOP2
#$006D
SCCR0
DELAY
#STRING2
SEND_STRING
#$05
CNT,Z
#SEC_STR
SEND_STRING
CNT,Z
LOOP3
MAIN
#$FFFF
DLY,Z
DLY,Z
LOOP4
0,X
STRING_DONE
INITIALIZATION AND PROGRAMMING EXAMPLES
*****
Freescale Semiconductor, Inc.
*****
For More Information On This Product,
Go to: www.freescale.com
;enable SCI receiver and transmitter
;point ZK at bank 1 (the SRAM)
;for indexing the variables CNT and DLY
;loop counter
;delay counter
;set baud rate to 1200
;delay for modulus counter of SCI to flush
;load address of string into IX
;subroutine to send string to dummy terminal
;set up loop counter
;load address of string into IX
;subroutine to send string to dummy terminal
;decrement loop counter
;loop 5 times
;set BAUD rate back to 1200
;delay for modulus counter of SCI to flush
;load address of string into IX
;subroutine to send string to dummy terminal
;set up # of loops for loop counter to 5
;load address of string into IX
;subroutine to send string to dummy terminal
;decrement loop counter
;loop 5 times
;branch back to main
;delay loop
;subroutine to send out the entire ASCII
;string
;get next byte in string as pointed to by IX
;if B=00, then message is done
;set clock speed to 16.777MHz
;w=0, x=1, y=111111
;wait until synthesizer lock bit is set
;change clock frequency to 4.194MHz
;w=0, x=1, y=001111
;wait until synthesizer lock bit is set
E-17