MC68HC05K0 Datasheet, PDF (32/154 Pages) Freescale Semiconductor, Inc – HCMOS Microcontroller Unit

Technical Data
Freescale Semiconductor, Inc.
Addr.
$0000
$0001
$0002
Register Name
Bit 7
6
5
4
3
2
1
Bit 0
Read:
Port A Data Register
PA7 PA6 PA5
PA4
PA3
PA2 PA1 PA0
(PORTA) Write:
See page 66.
Reset:
Unaffected by reset
Read: 0
0
0
0
0
0
Port B Data Register
PB1 PB0
(PORTB) Write:
See page 71.
Reset:
Unaffected by reset
Unimplemented
$0003
Unimplemented
$0004
$0005
$0006
Read:
Data Direction Register A
DDRA7
(DDRA) Write:
See page 67.
Reset: 0
DDRA6
0
DDRA5
0
Read: 0
0
0
Data Direction Register B
(DDRB) Write:
See page 72.
Reset: 0
0
0
Unimplemented
DDRA4
0
0
0
DDRA3
0
0
0
DDRA2 DDRA1 DDRA0
0
0
0
0
DDRB1 DDRB0
0
0
0
$0007
Unimplemented
$0008
$0009
$000A
Read: TOF RTIF
Timer Status and Control
TOIE
Register (TSCR) Write:
See page 79.
Reset: 0
0
0
Read:
Timer Counter Register
(TCNTR) Write:
See page 81.
Reset:
TCR7
0
TCR6
0
TCR5
0
Read:
0
0
IRQ Status and Control
IRQE
Register (ISCR) Write:
See page 48.
Reset: 1
0
0
= Unimplemented
RTIE
0
TCR4
0
TOFR
0
TCR3
0
RTIFR
0
TCR2
RT1
1
TCR1
RT0
1
TCR0
0
0
0
0
0
0
IRQF
0
0
0
IRQR
0
0
0
U
0
R = Reserved
U = Unaffected
Figure 2-2. Control, Status, and Data Registers (Sheet 1 of 2)
Technical Data
MC68HC05K0 • MC68HC05K1 — Rev. 2.0
Memory
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