Motorola MC68HC908AB32 User Manual

Timer Interface Module B (TIMB)
Functional Description
MC68HC908AB32 — Rev. 1.0 Technical Data
MOTOROLA Timer Interface Module B (TIMB) 199
Addr. Register Name Bit 7 654321Bit 0
$0040
Timer B Status and
Control Register
(TBSC)
Read: TOF
TOIE TSTOP
00
PS2 PS1 PS0
Write: 0 TRST
Reset: 00100000
$0041
Timer B Counter
Register High
(TBCNTH)
Read: Bit 15 14 13 12 11 10 9 Bit 8
Write:
Reset: 00000000
$0042
Timer B Counter
Register Low
(TBCNTL)
Read: Bit 7 654321Bit 0
Write:
Reset: 00000000
$0043
Timer B Counter Modulo
Register High
(TBMODH)
Read:
Bit 15 14 13 12 11 10 9 Bit 8
Write:
Reset: 11111111
$0044
Timer B Counter Modulo
Register Low
(TBMODL)
Read:
Bit 7 654321Bit 0
Write:
Reset: 11111111
$0045
Timer B Channel 0 Status
and Control Register
(TBSC0)
Read: CH0F
CH0IE MS0B MS0A ELS0B ELS0A TOV0 CH0MAX
Write: 0
Reset: 00000000
$0046
Timer B Channel 0
Register High
(TBCH0H)
Read:
Bit 15 14 13 12 11 10 9 Bit 8
Write:
Reset: Indeterminate after reset
$0047
Timer B Channel 0
Register Low
(TBCH0L)
Read:
Bit 7 654321Bit 0
Write:
Reset: Indeterminate after reset
$0048
Timer B Channel 1 Status
and Control Register
(TBSC1)
Read: CH1F
CH1IE
0
MS1A ELS1B ELS1A TOV1 CH1MAX
Write: 0
Reset: 00000000
$0049
Timer B Channel 1
Register High
(TBCH1H)
Read:
Bit 15 14 13 12 11 10 9 Bit 8
Write:
Reset: Indeterminate after reset
= Unimplemented
Figure 12-2. TIMB I/O Register Summary (Sheet 1 of 2)

Motorola MC68HC908AB32 Specifications

General

Brand	Motorola
Model	MC68HC908AB32
Category	Controller
Language	English