MC908AP8CFBE Datasheet, PDF (33/324 Pages) Freescale Semiconductor, Inc – Microcontrollers

Monitor ROM
Addr.
Register Name
Bit 7
6
Keyboard Status and Control ^Read:
0
0
$001A
Register Write:
(KBSCR) _Reset:
0
0
$001B
Keyboard Interrupt ^Read:
Enable Register Write:
(KBIER) _Reset:
KBIE7
0
KBIE6
0
IRQ2 Status and Control Reg- ^Read:
0
PUC0ENB
$001C
ister Write:
(INTSCR2) _Reset:
0
0
$001D
Read:
Configuration Register 2
(CONFIG2)^{† Write:}
Reset:
STOP_
ICLKDIS
0
STOP_
RCLKEN
0
† One-time writable register after each reset.
IRQ1 Status and Control Reg- ^Read:
0
0
$001E
ister Write:
(INTSCR1) _Reset:
0
0
$001F
Read:
Configuration Register 1
(CONFIG1)^{† Write:}
Reset:
COPRS
0
LVISTOP
0
† One-time writable register after each reset.
$0020
Timer 1 Status and ^{Read: TOF}
TOIE
Control Register Write:
0
(T1SC) _Reset:
0
0
$0021
Timer 1 Counter ^{Read: Bit 15}
14
Register High Write:
(T1CNTH) _Reset:
0
0
$0022
Timer 1 Counter ^{Read: Bit 7}
6
Register Low Write:
(T1CNTL) _Reset:
0
0
Timer 1 Counter Modulo Reg- ^Read: _{Bit 15}
14
$0023
ister High Write:
(T1MODH) _Reset:
1
1
Timer 1 Counter Modulo ^Read: _{Bit 7}
6
$0024
Register Low Write:
(T1MODL) _Reset:
1
1
Read:
$0025
Timer 1 Channel 0 Status and
Control Register (T1SC0)
Write:
Reset:
CH0F
0
0
CH0IE
0
U = Unaffected
X = Indeterminate
5
0
0
KBIE5
0
0
0
STOP_
XCLKEN
0
0
0
LVIRSTD
0
TSTOP
1
13
0
5
0
13
1
5
1
MS0B
0
4
3
0
KEYF
0
KBIE4
0
0
0
KBIE3
0
IRQ2F
0
0
OSCCLK1 OSCCLK0
0
0
0
IRQ1F
0
0
LVIPWRD LVIREGD
0
0
0
0
TRST
0
0
12
11
0
0
4
3
0
0
12
11
1
1
4
3
1
1
MS0A ELS0B
0
0
= Unimplemented
2
0
ACK
0
KBIE2
0
0
ACK2
0
0
0
0
ACK1
0
SSREC
0
PS2
0
10
0
2
0
10
1
2
1
ELS0A
0
R
1
Bit 0
IMASK MODE
0
0
KBIE1 KBIE0
0
0
IMASK2 MODE2
0
0
0
SCIBDSRC
0
0
IMASK1 MODE1
0
0
STOP COPD
0
0
PS1
PS0
0
0
9
Bit 8
0
0
1
Bit 0
0
0
9
Bit 8
1
1
1
Bit 0
1
1
TOV0 CH0MAX
0
0
= Reserved
Figure 2-2. Control, Status, and Data Registers (Sheet 3 of 9)
MC68HC908AP Family Data Sheet, Rev. 4
Freescale Semiconductor
33