Datasheet

Direct Page Registers
MC68HC908QYA/QTA Family Data Sheet, Rev. 3
Freescale Semiconductor 25
$0028
TIM Channel 1 Status and
Control Register (TSC1)
See page 135.
Read: CH1F
CH1IE
0
MS1A ELS1B ELS1A TOV1 CH1MAX
Write: 0
Reset:00000000
$0029
TIM Channel 1
Register High (TCH1H)
See page 137.
Read:
Bit 15 Bit 14 Bit 13 Bit 12 Bit 11 Bit 10 Bit 9 Bit 8
Write:
Reset: Indeterminate after reset
$002A
TIM Channel 1
Register Low (TCH1L)
See page 137.
Read:
Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
Write:
Reset: Indeterminate after reset
$002B
↓
$0035
Reserved
$0036
Oscillator Status and
Control Register (OSCSC)
See page 100.
Read:
OSCOPT1 OSCOPT0 ICFS1 ICFS0 ECFS1 ECFS0 ECGON
ECGST
Write:
Reset:00100000
$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 48.
Read:
ADLPC ADIV1 ADIV0 ADICLK MODE1 MODE0 ADLSMP ACLKEN
Write:
Reset:00000000
Addr.Register Name Bit 7654321Bit 0
= Unimplemented R = Reserved U = Unaffected
Figure 2-2. Control, Status, and Data Registers (Sheet 3 of 5)