参数资料
型号: SAX-XC878LM-13FFA5V
厂商: INFINEON TECHNOLOGIES AG
元件分类: 微控制器/微处理器
英文描述: 8-BIT, FLASH, 24 MHz, MICROCONTROLLER, PQFP64
封装: GREEN, PLASTIC, LQFP-64
文件页数: 122/145页
文件大小: 2156K
代理商: SAX-XC878LM-13FFA5V
XC87xCLM
Functional Description
Data Sheet
71
V1.5, 2011-03
Figure 18 shows the structure of a bidirectional port pin.
Figure 18
General Structure of Bidirectional Port
Px_OD
Open Drain
Control Register
Px_Data
Data Register
Internal Bus
AltDataOut 3
AltDataOut 2
Px_ALTSEL0
Alternate SelectRegister 0
Px_ALTSEL1
Alternate SelectRegister 1
AltDataIn
Pin
Px_DS
Drive Strength
Control Register
Px_DIR
Direction Register
Px_PUDEN
Pull-up/Pull-down
Enable Register
AltDataOut1
Pad
Out
In
Pull
Device
Output
Driver
Input
Driver
11
10
01
00
Schmitt Trigger
OpenDrain/Output
Control Logic
1
0
Px_PUDSEL
Pull-up/Pull-down
SelectRegister
Pull-up/Pull-down
Control Logic
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