MC68HC705P6A Datasheet, PDF (31/130 Pages) Motorola, Inc – HCMOS Microcontroller Unit

Memory
Input/Output and Control Registers
Addr.
$0009
Register Name
Unimplemented
Bit 7
6
5
4
3
2
1
Bit 0
Read: 0
SIOP Control Register
$000A
(SCR) Write:
See page 62.
Reset: 0
$000B
Read: SPIF
SIOP Status Register
(SSR) Write:
See page 63.
Reset: 0
$000C
SIOP Data Register
(SDR)
See page 64.
Read:
Write:
Reset:
SDR7
$000D
Reserved for Test
R
SPE
0
DCOL
0
SDR6
R
0
0
0
0
MSTR
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
SDR5 SDR4 SDR3 SSDR2 SDR1
Unaffected by reset
R
R
R
R
R
0
0
0
0
SDR0
R
$000E
Unimplemented
$000F
Unimplemented
$0010
Unimplemented
$0011
Unimplemented
Read:
0
0
0
Timer Control Register
ICIE OCIE TOIE
IEDG OLVL
$0012
(TCR) Write:
See page 68.
Reset: 0
0
0
0
0
0
U
0
Read: ICF
OCF
TOF
0
0
0
0
0
Timer Status Register
$0013
(TSR) Write:
See page 70.
Reset: U
U
U
0
0
0
0
0
= Unimplemented
R = Reserved
U = Undetermined
Figure 2-3. I/O and Control Register Summary (Sheet 2 of 4)
MC68HC705P6A — Rev. 2.0
MOTOROLA
Memory
Advance Information
31