Table D-17 MC68331 Module Address Map, (Continued)
(Assumes SIMCR MM = 1)
QSM
Access
S
Address 15
$FFFC00
$FFFC02
$FFFC04
$FFFC06
$FFFC08
$FFFC0A
$FFFC0C
$FFFC0E
$FFFC10
$FFFC12
$FFFC14
$FFFC16
$FFFC18
$FFFC1A
$FFFC1C
$FFFC1E
8 7
0
QSM MODULE CONFIGURATION (QSMCR)
QSM TEST (QTEST)
S
S
QSM INTERRUPT LEVEL (QILR)
QSM INTERRUPT VECTOR (QIVR)
S/U
S/U
S/U
S/U
S/U
S/U
S/U
S/U
S/U
S/U
S/U
S/U
S/U
S/U
NOT USED
SCI CONTROL 0 (SCCR0)
SCI CONTROL 1 (SCCR1)
SCI STATUS (SCSR)
SCI DATA (SCDR)
NOT USED
NOT USED
NOT USED
PQS PIN ASSIGNMENT (PQSPAR)
PQS DATA (PORTQS)
PQS DATA DIRECTION (DDRQS)
SPI CONTROL 0 (SPCR0)
SPI CONTROL 1 (SPCR1)
SPI CONTROL 2 (SPCR2)
SPI CONTROL 3 (SPCR3)
SPI STATUS (SPSR)
D
$FFFC20–
$FFFCFF
NOT USED
S/U
QUEUE
RAM
$FFFD00–
$FFFD1F
RECEIVE RAM (RR[0:F])
S/U
QUEUE
RAM
$FFFD20–
$FFFD3F
TRANSMIT RAM (TR[0:F])
COMMAND RAM (CR[0:F])
S/U
QUEUE
RAM
$FFFD40–
$FFFD4F
MC68331
REGISTER SUMMARY
MOTOROLA
D-39
USER’S MANUAL
MOTOROLA [ MOTOROLA ]
