参数资料
型号: MC68HC08AS20CFN
厂商: MOTOROLA INC
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, MICROCONTROLLER, PQCC52
封装: PLASTIC, LCC-52
文件页数: 50/96页
文件大小: 3243K
代理商: MC68HC08AS20CFN
6
MOTOROLA
6-2
MC68HC05E0
PARALLEL INPUT/OUTPUT PORTS
Figure 6-1 Bidirectional I/O Port Structure
MC68HC05E0
Internal
Connections
Data
Direction
Register
Data
Register
Input
Data
Reg.
I/O
Pin
Input
I/O
Output
Buffer
(a)
DDR7 DDR6 DDR5 DDR4 DDR3 DDR2 DDR1 DDR0
Px7
Px6
Px5
Px4
Px3
Px2
Px1
Px0
Typical Port
Data Direction
Register
Typical Port
Register
I/O Port Lines
(b)
(c)
P*
PAD
IP
VDD
Internal
Logic
Port Data
Port DDR
N*
Notes:
1.
* Denotes devices have
same physical size and
are enhancement type.
2.
IP = Input Protection.
3.
Latch-up Protection not shown.
54
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