Motorola MC68HC908AB32 User Manual

Memory Map
Technical Data MC68HC908AB32 — Rev. 1.0
52 Memory Map MOTOROLA
$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
$004A
Timer B Channel 1
Register Low
(TBCH1L)
Read:
Bit 7 654321Bit 0
Write:
Reset: Indeterminate after reset
$004B
PIT Status and Control
Register
(PSC)
Read: POF
POIE PSTOP
00
PPS2 PPS1 PPS0
Write: 0 PRST
Reset: 00100000
$004C
PIT Counter Register High
(PCNTH)
Read: Bit 15 14 13 12 11 10 9 Bit 8
Write:
Reset: 00000000
$004D
PIT Counter Register Low
(PCNTL)
Read: Bit 7 654321Bit 0
Write:
Reset: 00000000
$004E
PIT Counter Modulo
Register High
(PMODH)
Read:
Bit 15 14 13 12 11 10 9 Bit 8
Write:
Reset: 11111111
$004F
PIT Counter Modulo
Register Low
(PMODL)
Read:
Bit 7 654321Bit 0
Write:
Reset: 11111111
Addr. Register Name Bit 7 654321Bit 0
= Unimplemented R = Reserved
Figure 2-2. Control, Status, and Data Registers (Sheet 8 of 11)

Motorola MC68HC908AB32 Specifications

General

Brand	Motorola
Model	MC68HC908AB32
Category	Controller
Language	English