MC68331
USER’S MANUAL
REGISTER SUMMARY
MOTOROLA
D-37
D
Table D-17 MC68331 Module Address Map
(Assumes SIMCR MM = 1)
GPT
Access
S
S
S
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
S/U
S/U
S/U
S/U
S/U
S/U
Address
$FFF900
$FFF902
$FFF904
$FFF906
$FFF908
$FFF90A
$FFF90C
$FFF90E
$FFF910
$FFF912
$FFF914
$FFF916
$FFF918
$FFF91A
$FFF91C
$FFF91E
$FFF920
$FFF922
$FFF924
$FFF926
$FFF928
$FFF92A
$FFF92C
$FFF92E –
$FFF93F
15
8 7
0
GPT MODULE CONFIGURATION (GPTMCR)
(RESERVED FOR TEST)
INTERRUPT CONFIGURATION (ICR)
PGP DATA DIRECTION (DDRGP)
OC1 ACTION MASK (OC1M)
TIMER COUNTER (TCNT)
PA CONTROL (PACTL)
INPUT CAPTURE 1 (TIC1)
INPUT CAPTURE 2 (TIC2)
INPUT CAPTURE 3 (TIC3)
OUTPUT COMPARE 1 (TOC1)
OUTPUT COMPARE 2 (TOC2)
OUTPUT COMPARE 3 (TOC3)
OUTPUT COMPARE 4 (TOC4)
INPUT CAPTURE 4/OUTPUT COMPARE 5 (TI4/O5)
TIMER CONTROL 1 (TCTL1)
TIMER MASK 1 (TMSK1)
TIMER FLAG 1 (TFLG1)
FORCE COMPARE (CFORC)
PWM CONTROL A (PWMA)
PWM COUNT (PWMCNT)
PWMA BUFFER (PWMBUFA)
GPT PRESCALER (PRESCL)
PGP DATA (PORTGP)
OC1 ACTION DATA (OC1D)
PA COUNTER (PACNT)
TIMER CONTROL 2 (TCTL2)
TIMER MASK 2 (TMSK2)
TIMER FLAG 2 (TFLG2)
PWM CONTROL C (PWMC)
PWM CONTROL B (PWMB)
PWMB BUFFER (PWMBUFB)
NOT USED
SIM
Access
S
S
S
S
S
S
S
S
S/U
S/U
S/U
S
S/U
S/U
S/U
S
S
Address
$FFFA00
$FFFA02
$FFFA04
$FFFA06
$FFFA08
$FFFA0A
$FFFA0C
$FFFA0E
$FFFA10
$FFFA12
$FFFA14
$FFFA16
$FFFA18
$FFFA1A
$FFFA1C
$FFFA1E
$FFFA20
15
8 7
0
MODULE CONFIGURATION (SIMCR)
FACTORY TEST (SIMTR)
CLOCK SYNTHESIZER CONTROL (SYNCR)
NOT USED
MODULE TEST E (SIMTRE)
NOT USED
NOT USED
NOT USED
NOT USED
NOT USED
NOT USED
NOT USED
NOT USED
NOT USED
NOT USED
NOT USED
NOT USED
RESET STATUS (RSR)
NOT USED
NOT USED
NOT USED
PORTE DATA (PORTE0)
PORTE DATA (PORTE1)
PORTE DATA DIRECTION (DDRE)
PORTE PIN ASSIGNMENT (PEPAR)
PORTF DATA (PORTF0)
PORTF DATA (PORTF1)
PORTF DATA DIRECTION (DDRF)
PORTF PIN ASSIGNMENT (PFPAR)
SYSTEM PROTECTION CONTROL
(SYPCR)
S
$FFFA22
PERIODIC INTERRUPT CONTROL (PICR)