mc68hc05l25 Freescale Semiconductor, Inc, mc68hc05l25 Datasheet - Page 27

• Manufacturer Part Number: mc68hc05l25
• Description: M68hc05 Microcontrollers Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

Freescale Semiconductor
Addr.
$000A
$000B
$000C
$000D
$0000
$0001
$0002
$0003
$0007
$0008
$0009
$000F
$0020
↓
↓
Serial Peripheral Control Register
Serial Peripheral Status Register
Serial Peripheral Data Register
Register Name
Interrupt Control Register
Interrupt Status Register
LCD Control Register
Port C Data Register
Port A Data Register
Port B Data Register
Unimplemented
Unimplemented
Unimplemented
Unimplemented
See page 100.
See page 53.
See page 62.
See page 68.
See page 44.
See page 45.
See page 94.
See page 95.
See page 96.
(PORTC)
(PORTA)
(PORTB)
(LCDCR)
(INTCR)
(INTSR)
(SPCR)
(SPDR)
(SPSR)
Figure 2-4. I/O Registers (Sheet 1 of 3)
Reset:
Reset:
Reset:
Reset:
Reset:
Reset:
Reset:
Reset:
Reset:
Read:
Read:
Read:
Read:
Read:
Read:
Read:
Read:
Read:
MC68HC05L25 Data Sheet, Rev. 3.1
Write:
Write:
Write:
Write:
Write:
Write:
Write:
Write:
Write:
Bit 7
SPD7
LCDE
IRQE
IRQF
SPIE
SPIF
PA7
PB7
0
0
0
0
0
0
0
= Unimplemented
DCOL
PBEH
SPD6
PA6
PB6
SPE
6
0
0
0
0
0
0
0
0
0
DORD
DUTY
SPD5
PA5
PB5
5
0
0
0
0
0
0
0
0
0
0
Unaffected by reset
Unaffected by reset
Unaffected by reset
MSTR
SPD4
KWIE
KWIF
PBEL
PA4
PB4
4
R
0
0
0
0
0
0
0
0
= Reserved
RIRQ
SPD3
IRQS
PA3
PB3
PC3
U
3
0
0
0
0
0
0
0
0
0
Read-Only Memory (ROM)
SPD2
PC2
PA2
PB2
U = Unaffected
2
U
0
0
0
0
0
0
0
0
0
0
SPD1
PC1
PA1
PB1
FC
1
U
0
0
0
0
0
0
0
0
0
RKWIF
Bit 0
SPD0
SPR
PA0
PB0
PC0
LC
U
0
0
0
0
0
0
0
0
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