MC68HC05K1 FREESCALE [Freescale Semiconductor, Inc], MC68HC05K1 Datasheet - Page 32

• Manufacturer Part Number: MC68HC05K1
• Description: HCMOS Microcontroller Unit
• Manufacturer: FREESCALE [Freescale Semiconductor, Inc]

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