M 6 8 E V B 9 1 2 C 3 2
0 5 / 1 5 / 0 3
2
CONTENTS
CAUTIONARY NOTES ...........................................................................................................................................................3
TERMINOLOGY......................................................................................................................................................................3
FEATURES................................................................................................................................................................................4
GETTING STARTED...............................................................................................................................................................5
M68EVB912C32 STARTUP ..................................................................................................................................................5
R
EFERENCE
D
OCUMENTATION
.................................................................................................................................................6
DEBUG MONITOR OPERATION.........................................................................................................................................6
MONITOR MEMORY MAP:.................................................................................................................................................7
M68EVB912C32 BOARD OPERATION................................................................................................................................7
POWER SUPPLY ...................................................................................................................................................................7
ON_OFF Switch ..................................................................................................................................................................7
PWR - Power Jack ...............................................................................................................................................................8
TB1 - Power Access Term Block..........................................................................................................................................8
VDDR_EN ...........................................................................................................................................................................8
RESET
AND
RESET C
ONFIGURATION
.....................................................................................................................................8
RESET SWITCH ..................................................................................................................................................................9
LV1 Reset Generator ...........................................................................................................................................................9
LV1_EN Option ...................................................................................................................................................................9
RESET Indicator..................................................................................................................................................................9
MODA and MODB Options.................................................................................................................................................9
MODC Option ...................................................................................................................................................................10
ROM_EN Option ...............................................................................................................................................................10
TEST Option ......................................................................................................................................................................10
O
SCILLATOR
X1
AND
Y1........................................................................................................................................................10
OSC_SEL1 Option – HCS12 clock mode ..........................................................................................................................11
OSC_SEL2 Option.............................................................................................................................................................11
Oscillator Configuration Table .........................................................................................................................................11
COM1 (SCI) P
ORT
.................................................................................................................................................................12
COM1 Connection .............................................................................................................................................................12
RX_EN Option ...................................................................................................................................................................12
RTS_EN and CTS_EN Options..........................................................................................................................................12
CAN P
ORT
.............................................................................................................................................................................13
CAN_TXEN and CAN_RXEN Options ..............................................................................................................................13
RS Test Pad and Cut Option 1...........................................................................................................................................13
RC11,12,and 13 CAN Terminations ..................................................................................................................................14
LED 1-8 I
NDICATORS AND
LED_EN O
PTION
........................................................................................................................14
SW1 DIP S
WITCH AND
SW1_EN O
PTION
.............................................................................................................................14
O
PTIONAL
S
ERIAL
EEPROM .................................................................................................................................................14
M68EVB912C32 I/O PORT CONNECTORS ......................................................................................................................15
ANALOG
AND
PAD0-7 I/O P
ORT
C
ONNECTOR
....................................................................................................................15
VRH_EN and VRL_EN Options.........................................................................................................................................15
MCU I/O P
ORT
C
ONNECTOR
..................................................................................................................................................16
BDM PORT...........................................................................................................................................................................16
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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