MC68HC705MC4 Datasheet, PDF (39/99 Pages) Motorola, Inc – Microcontrollers

MC68HC705MC4 Specification Rev. 1.5
Register
Port A
Port A Data Register
Port B
Port B Data Register
Port C
Port C Data Register
Port D
Port D Data Register
Port A Data Direction Register
Port B Data Direction Register
Port C Data Direction Register
Port D Data Direction Register
Core Timer Control & Status Register
Core Timer Counter Register
SCI BAUD
SCI CONTROL 1
SCI CONTROL 2
SCI STATUS
SCI DATA
IRQ STATUS/CONTROL
ADDR R/W 7
6
5
4
3
2
1
0
$0000 R PA7 PA6 PA5 PA4 PA3 PA2 PA1 PA0
W
$0001 R PB7 PB6 PB5 PB4
0
0
0
0
W
$0002 R PC7 PC6 PC5 PC4 PC3 PC2 PC1 PC0
W
$0003 R PD7 PD6
0
0
0
0
0
0
W
$0004 R DDRA7 DDRA6 DDRA5 DDRA4 DDRA3 DDRA2 DDRA1 DDRA0
W
$0005 R DDRB7 DDRB6 DDRB5 DDRB4 0
0
0
0
W
$0006 R DDRC7 DDRC6 DDRC5 DDRC4 DDRC3 DDRC2 DDRC1 DDRC0
W
$0007 R
DDRD6
W
$0008 R CTOF RTIF CTOIE RTIE 0
0
RT1 RT0
W
$0009 R CTCR7 CTCR6 CTCR5 CTCR4 CTCR3 CTCR2 CTCR1 CTCR0
W
$000A R
0
0 SCP1 SCP0 0 SCR2 SCR1 SCR0
W
$000B R R8
T8
0
M WAKE 0
0
0
W
$000C R TIE TCIE RIE ILIE
TE
RE RWU SBK
W
$000D R TDRE TC RDRF IDLE OR
NF
FE
0
W
$000E R SC7 SC6 SC5 SC4 SC3 SC2 SC1 SC0
W
$000F R IRQM IRQS EDGE 0
REQ
0
0
0
W
ACK
UNIMPLEMENTED
Figure 5-3: I/O and Control Registers $0000-$000F
MOTOROLA
Page 30
Section 5: Memory