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參數(shù)資料
| 型號： | SAFC505 |
| 廠商： | INFINEON TECHNOLOGIES AG |
| 元件分類： | 8位微控制器 |
| 英文描述： | 8-bit CMOS Microcontroller |
| 中文描述： | 8位CMOS微控制器 |
| 文件頁數(shù)： | 12/85頁 |
| 文件大小： | 487K |
| 代理商： | SAFC505 |
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C505L
Data Sheet
10
06.99
P2.7-P2.0
53-60
I/O
Port 2
is a an 8-bit quasi-bidirectional I/O port with internal pullup
resistors. Port 2 pins that have a 1 written to them are pulled
high by the internal pullup resistors, and in that state can be
used as inputs. As inputs, port 2 pins being externally pulled
low will source current (
I
IL
, in the DC characteristics)
because of the internal pullup resistors. Port 2 emits the
high-order address byte during fetches from external
program memory and during accesses to external data
memory that use 16-bit addresses (MOVX @DPTR). In this
application it uses strong internal pullup transistors when
issuing 1s. During accesses to external data memory that
use 8-bit addresses (MOVX @Ri), port 2 issues the
contents of the P2 special function register and uses only
the internal pullup resistors.
P0.7-P0.0
61-68
I/O
Port 0
is an 8-bit open-drain bidirectional I/O port. Port 0 pins that
have a 1 written to them float, and in that state can be used
as high-impendance inputs. Port 0 is also the multiplexed
low-order address and data bus during accesses to external
program or data memory. In this application it uses strong
internal pullup transistors when issuing 1s.
*) I = Input
O= Output
Table 1
Pin Definitions and Functions
(cont’d)
Symbol
Pin Number
I/O*)
Function
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| SAF-C505C-LM | 8-Bit CMOS Microcontroller |
| SAF-C505-LM | 8-Bit CMOS Microcontroller |
| SAB-C505-LM | 8-Bit CMOS Microcontroller |
| SAB-C505C-LM | 8-Bit CMOS Microcontroller |
| SAF-C505 | 8-Bit CMOS Microcontroller |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SAF-C505 | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:8-Bit CMOS Microcontroller |
| SAF-C505-2RM | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:8-Bit CMOS Microcontroller |
| SAF-C505A-4EM | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| SAFC505A4EM-CA | 制造商:Infineon Technologies AG 功能描述:MCU 8-bit C500 8051 CISC 32KB EPROM 5V 44-Pin MQFP Ammo |
| SAF-C505C-2RM | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:8-Bit CMOS Microcontroller |
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