Datasheet

Memory
MC68HC908QB8 Data Sheet, Rev. 3
28 Freescale Semiconductor
$0036
Oscillator Status and
Control Register (OSCSC)
See page 100.
Read:
OSCOPT1 OSCOPT0 ICFS1 ICFS0 ECFS1 ECFS0 ECGON
ECGST
Write:
Reset:00000000
$0037 Reserved
$0038
Oscillator Trim Register
(OSCTRIM)
See page 101.
Read:
TRIM7 TRIM6 TRIM5 TRIM4 TRIM3 TRIM2 TRIM1 TRIM0
Write:
Reset:10000000
$0039
↓
$003B
Reserved
$003C
ADC10 Status and Control
Register (ADSCR)
See page 46.
Read: COCO
AIEN ADCO ADCH4 ADCH3 ADCH2 ADCH1 ADCH0
Write:
Reset:00011111
$003D
ADC10 Data Register High
(ADRH)
See page 48.
Read:000000AD9AD8
Write:RRRRRRRR
Reset:00000000
$003E
ADC10 Data Register Low
(ADRL)
See page 48.
Read: AD7 AD6 AD5 AD4 AD3 AD2 AD1 AD0
Write:RRRRRRRR
Reset:00000000
$003F
ADC10 Clock Register
(ADCLK)
See page 49.
Read:
ADLPC ADIV1 ADIV0 ADICLK MODE1 MODE0 ADLSMP ACLKEN
Write:
Reset:00000000
$FE00
Break Status Register
(BSR)
See page 195.
Read:
RRRRRR
SBSW
R
Write: 0
Reset: 0
$FE01
SIM Reset Status Register
(SRSR)
See page 152.
Read: POR PIN COP ILOP ILAD MODRST LVI 0
Write:
POR:10000000
$FE02
Break Auxiliary
Register (BRKAR)
See page 195.
Read:0000000
BDCOP
Write:
Reset:00000000
$FE03
Break Flag Control
Register (BFCR)
See page 195.
Read:
BCFERRRRRRR
Write:
Reset: 0
$FE04
Interrupt Status Register 1
(INT1)
See page 149.
Read: IF6 IF5 IF4 IF3 IF2 IF1 0 0
Write:RRRRRRRR
Reset:00000000
$FE05
Interrupt Status Register 2
(INT2)
See page 149.
Read: IF14 IF13 IF12 IF11 IF10 IF9 IF8 IF7
Write:RRRRRRRR
Reset:00000000
$FE06
Interrupt Status Register 3
(INT3)
See page 149.
Read: IF22 IF21 IF20 IF19 IF18 IF17 IF16 IF15
Write:RRRRRRRR
Reset:00000000
Addr.Register Name Bit 7654321Bit 0
= Unimplemented R = Reserved U = Unaffected
Figure 2-2. Control, Status, and Data Registers (Sheet 4 of 5)