参数资料
型号: MC68HC05C12ACB
厂商: MOTOROLA INC
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PDIP42
封装: SHRINK, PLASTIC, DIP-42
文件页数: 78/156页
文件大小: 756K
代理商: MC68HC05C12ACB
NON-DISCLOSURE
AGREEMENT
REQUIRED
Memory
General Release Specification
MC68HC05C12A Rev. 3.0
28
Memory
MOTOROLA
Addr.
Register
R/W
Bit 7
6
5
4
3
2
1
Bit 0
$0000
Port A Data
PORTA
Read:
PA7
PA6
PA5
PA4
PA3
PA2
PA1
PA0
Write:
$0001
Port B Data
PORTB
Read:
PB7
PB6
PB5
PB4
PB3
PB2
PB1
PB0
Write:
$0002
Port C Data
PORTD
Read:
PC7
PC6
PC5
PC4
PC3
PC2
PC1
PC0
Write:
$0003
Port D Data
PORTD
Read:
PD7
PD5
PD4
PD3
PD2
PD1
PD0
Write:
$0004
Port A Data Direction
DDRA
Read:
DDRA7
DDRA6
DDRA5
DDRA4
DDRA3
DDRA2
DDRA1
DDRA0
Write:
$0005
Port B Data Direction
DDRB
Read:
DDRB7
DDRB6
DDRB5
DDRB4
DDRB3
DDRB2
DDRB1
DDRB0
Write:
$0006
Port C Data Direction
DDRC
Read:
DDRC7
DDRC6
DDRC5
DDRC4
DDRC3
DDRC2
DDRC1
DDRC0
Write:
$0007
Unimplemented
Read:
Write:
$0008
Unimplemented
Read:
Write:
$0009
Unimplemented
Read:
Write:
$000A
SPI Control Register
SPCR
Read:
SPIE
SPE
MSTR
CPOL
CPHA
SPR1
SPR0
Write:
$000B
SPI Status Register
SPSR
Read:
SPIF
WCOL
0
MODF
0000
Write:
$000C
SPI Data Register
SPDR
Read:
SPD7
SPD6
SPD5
SPD4
SPD3
SPD2
SPD1
SPD0
Write:
= Unimplemented
Figure 2-2. Input/Output Registers
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