MC908MR16CFUE Datasheet, PDF (29/282 Pages) Freescale Semiconductor, Inc – On-chip programming firmware for use with host personal computer, Clock generator module (CGM)

Memory Map
Addr.
Register Name
Bit 7
$000E
TIMA Status/Control Register ^{Read: TOF}
(TASC) Write: 0
See page 226. _{Reset: 0}
$000F
TIMA Counter Register High
(TACNTH)
See page 227.
Read:
Write:
Reset:
Bit 15
R
0
$0010
TIMA Counter Register Low ^{Read: Bit 7}
(TACNTL) Write: R
See page 227. _{Reset: 0}
$0011
TIMA Counter Modulo
Register High (TAMODH)
See page 228.
Read:
Write:
Reset:
Bit 15
1
$0012
TIMA Counter Modulo ^Read: _{Bit 7}
Register Low (TAMODL) Write:
See page 228. _{Reset: 1}
$0013
TIMA Channel 0 Status/Control
Register (TASC0)
See page 229.
Read:
Write:
Reset:
CH0F
0
0
$0014
TIMA Channel 0 Register High
(TACH0H)
See page 232.
Read:
Write:
Reset:
Bit 15
$0015
TIMA Channel 0 Register Low ^Read: _{Bit 7}
(TACH0L) Write:
See page 232. _Reset:
$0016
TIMA Channel 1 Status/Control
Register (TASC1)
See page 232.
Read:
Write:
Reset:
CH1F
0
0
$0017
TIMA Channel 1 Register High
(TACH1H)
See page 232.
Read:
Write:
Reset:
Bit 15
$0018
TIMA Channel 1 Register Low ^Read: _{Bit 7}
(TACH1L) Write:
See page 232. _Reset:
$0019
TIMA Channel 2 Status/Control
Register (TASC2)
See page 229.
Read:
Write:
Reset:
CH2F
0
0
U = Unaffected X = Indeterminate
R
6
5
TOIE TSTOP
0
Bit 14
R
0
Bit 6
R
0
1
Bit 13
R
0
Bit 5
R
0
14
13
1
1
Bit 6
Bit 5
1
1
CH0IE MS0B
0
0
Bit 14 Bit 13
Bit 6
Bit 5
CH1IE
0
Bit 14
0
R
0
Bit 13
Bit 6
Bit 5
CH2IE MS2B
0
0
= Reserved
4
0
TRST
0
Bit 12
R
0
Bit 4
R
0
3
0
R
0
Bit 11
R
0
Bit 3
R
0
12
11
1
1
Bit 4
Bit 3
1
1
MS0A
ELS0B
0
0
Bit 12
Bit 11
Indeterminate after reset
Bit 4
Bit 3
Indeterminate after reset
MS1A
ELS1B
0
0
Bit 12
Bit 11
Indeterminate after reset
Bit 4
Bit 3
Indeterminate after reset
MS2A
ELS2B
0
0
Bold = Buffered
2
PS2
0
Bit 10
R
0
Bit 2
R
0
10
1
Bit 2
1
ELS0A
0
Bit 10
1
Bit 0
PS1
PS0
0
0
Bit 9
Bit 8
R
R
0
0
Bit 1
Bit 0
R
R
0
0
9
Bit 8
1
1
Bit 1
Bit 0
1
1
TOV0 CH0MAX
0
0
Bit 9
Bit 8
Bit 2
Bit 1
Bit 0
ELS1A
0
Bit 10
TOV1 CH1MAX
0
0
Bit 9
Bit 8
Bit 2
Bit 1
Bit 0
ELS2A TOV2 CH2MAX
0
0
0
= Unimplemented
Figure 2-2. Control, Status, and Data Registers Summary (Sheet 2 of 8)
MC68HC908MR32 • MC68HC908MR16 Data Sheet, Rev. 6.1
Freescale Semiconductor
29