MC68HC16Z1CPV25 Freescale Semiconductor, MC68HC16Z1CPV25 Datasheet - Page 479

IC MPU 1K RAM 25MHZ 144-LQFP

MC68HC16Z1CPV25

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

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

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*
*
*
*
PAOV_CNT EQU
*****
GO:
*****
SEND_STRING:
string
STRING_DONE:
SEND_CH:
M68HC16 Z SERIES
USER’S MANUAL
Start of main program
Subroutines
STAB
Set up Input Capture and Output Compare
LDAB
STAB
LDAB
STAB
LDD
STD
Set up the Pulse Width Modulators A and B
LDD
STD
LDAB
STAB
STAB
Set up the Pulse Accumulator
LDD
STD
Other Initializations
LDAB
TBXK
LDAB
TBZK
LDZ
LDAB
STAB
ANDP
NOP
BRA
LDAB
BEQ
JSR
AIX
BRA
RTS
LDAA
EVEN
TMSK2
#$27
TCTL2
#$01
TCTL1
#$1000
TOC2
#$0064
PWMC
#$80
PWMA
PWMB
#$5000
PACTL
#$00
0
#$01
#$0000
#$0A
PAOV_CNT,Z
#$FF1F
GO
0,X
STRING_DONE
SEND_CH
#$01
SEND_STRING
SCSR
INITIALIZATION AND PROGRAMMING EXAMPLES
*****
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
*****
;& set the TCNT's prescale to sysclock/128
;Input Captures
;TIC1=either, TIC2=rise, TIC3=fall, TIC4=off
;Output Compares
;TOC2=toggle, TOC3=off, TOC4=off, TOC5=off
;set OC2 to toggle every time that
;TCNT is #$1000
;set PWM prescaler to div by 128
;set PWMA fast (512 Hz)
;and PWMB slow (4 Hz)
;set 50% duty cycle
;in PWMA
;in PWMB
;set PAC to sense rising edges in
;event counting mode
;set XK to bank 0 for STRING access
;counter variable for PAOV_ROUTINE
;PAOV_CNT will be indexed off ZK:IZ
;load a 10 into the variable
;set interrupt priority mask level to 0
;Let's loop until we're interrupted
;get next byte in string as pointed to by IX
;if B=00, then the string is done
;go send out the byte
;increment IX to point to the next byte
;loop back and do next byte in string
;go back to whence we came
;subroutine to send out one byte to SCI
;read SCI status reg to check/clear TDRE bit
;subroutine to send out the entire ASCII
E-27

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