MC68HC705P9 Datasheet, PDF (22/156 Pages) Motorola, Inc – HCMOS Microcontroller Unit

Memory _{Input/Output Register Summary}
Addr.
$000A
$000B
$000C
$000D
$000E
$000F
$0010
$0011
$0012
Name
R/W Bit 7 6
Read:
SIOP Control Register (SCR)
0
SPE
Write:
Reset: 0
0
SIOP Status Register (SSR)
Read:
Write:
Reset:
SIOP Data Register (SDR)
Read:
Write:
Reset:
SPIF
0
Bit 7
DCOL
0
6
Unimplemented
Unimplemented
Unimplemented
5
4
3
2
0 MSTR 0
0
0
0
0
0
0
0
0
0
0
0
0
0
5
4
3
2
Unaffected by reset
Unimplemented
Unimplemented
Read:
Timer Control Register (TCR)
ICIE OCIE TOIE
0
0
0
Write:
Reset: 0
0
0
0
0
0
1 Bit 0
0
0
0
0
0
0
0
0
1
Bit 0
IEDG OLVL
U
0
$0013
Read: ICF OCF TOF
0
0
0
0
0
Timer Status Register (TSR)
Write:
Reset: Unaffected by reset
0
0
0
0
0
$0014
Read: Bit 15 14
13
12
11
10
Input Capture Register High (ICRH)
Write:
Reset:
9
Bit 8
$0015
Read: Bit 7 6
Input Capture Register Low (ICRL)
Write:
Reset:
5
4
3
2
Unaffected by reset
1
Bit 0
Read:
$0016 Output Compare Register High (OCRH)
Bit 15 14
Write:
Reset:
13
12
11
10
Unaffected by reset
9
Bit 8
= Unimplemented
R = Reserved
Figure 2. I/O Register Summary (Continued)
U = Unaffected
4-mc68hc705p9
22
Memory
MOTOROLA