MC68HC16Z1CPV25 Freescale Semiconductor, MC68HC16Z1CPV25 Datasheet - Page 471

• 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

*****
INIT:
TEMP
SCCNT
MNCNT
HRCNT
INITSYS:
Autovector:
M68HC16 Z SERIES
USER’S MANUAL
Initialize
ORG
EQU
EQU
EQU
EQU
LDAB
TBEK
LDAB
TBXK
TBYK
TBZK
LDD
STD
LDAA
STAA
LDAB
STAB
INCLUDE
INCLUDE
LDD
STD
LDD
STD
LDD
STD
LDD
STD
LDAB
STAB
LDAB
TBZK
LDZ
LDD
STD
STD
STD
STD
LDAB
SIMMCR
$0200
$0006
$0004
$0002
$0000
#$0F
#$00
#$00CF
#$7F
SYNCR
#$C0
SYPCR
#$0638
PICR
#$0110
PITR
#$FFF9
CSBAR3
#$7801
CSOR3
#$FF
PFPAR
#$01
#$0000
#$0000
SCCNT,Z
MNCNT,Z
HRCNT,Z
TEMP,Z
RSR
*****
INITIALIZATION AND PROGRAMMING EXAMPLES
Freescale Semiconductor, Inc.
For More Information On This Product,
'INITRAM.ASM'
'INITSCI.ASM'
Go to: www.freescale.com
;start program after interrupt table
;initialization stuff
;variable space used in hex to asc routine
;stores the current number of seconds
;stores the current number of minutes
;stores the current number of hours
;The following section is normally part of
;INCLUDE 'INITSYS.ASM', but we want to
;leave the COP on.
;point EK to bank F for register access
;point XK to bank 0
;point YK to bank 0
;point ZK to bank 0
;initialize the SIM MCR
;this is redundant; it happens at reset
;set system clock to 16.78 Mhz
;enable the watchdog (COP)
;and set time-out period to 8 seconds
;set the periodic interrupt at request level 6
;& assign vector #56 (address $00070) to it
;initialize PITR to interrupt every 1 sec
;initialize Chip Sel Base Reg for Autovector
;on an IACK cycle: A24-A11=$FFF8, blK_sz = 8K
;initialize Chip Sel Option Reg for
;asynchronous, any Interrupt Priority Level
;set port F pins to be IRQ pins
;this is redundant: it happens at reset
;set zk nibble to bank 1 for variable access
;index those variables from $10000
;clear sccnt register
;clear mncnt register
;clear hrcnt register
;clear “save” variable space
;find out who caused the last reset
;turn on internal SRAM at $10000
;set stack in bank 1 (SK=1, SP=03FE)
;set SCI baud rate at 9600 baud
;enable SCI transmitter and receiver
E-19