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| 型号： | C505CA |
| 厂商： | INFINEON TECHNOLOGIES AG |
| 元件分类： | 8位微控制器 |
| 英文描述： | 8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash |
| 中文描述： | 8位微控制器与2/4/8K字节在系统可编程闪存 |
| 文件页数： | 14/88页 |
| 文件大小： | 1224K |
| 代理商： | C505CA |
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C505/C505C/C505A/C505CA
Data Sheet
10
12.00
EA
29
I
External Access Enable
When held at high level, instructions are fetched from the
internal program memory when the PC is less than 4000H
(C505(C)(A)-2R) or 8000
H
(C505A-4R/C505CA-4R/C505A-
4E/C505CA-4E). When held at low level, the C505 fetches
all instructions from external program memory.
For the C505 romless versions (i.e. C505-L, C505C-L,
C505A-L and C505CA-L) this pin must be tied low.
For the ROM protection version EA pin is latched during
reset.
P0.0-P0.7
37-30
I/O
Port 0
is an 8-bit open-drain bidirectional I/O port. Port 0 pins that
have 1
’
s 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 1
’
s.
Port 0 also outputs the code bytes during program
verification in the C505 ROM versions. External pullup
resistors are required during program verification.
V
AREF
V
AGND
V
SS
V
DD
*) I = Input
O= Output
38
–
Reference voltage
for the A/D converter.
39
–
Reference ground
for the A/D converter.
16
–
Ground
(0V)
17
–
Power Supply
(+5V)
Table 2
Pin Definitions and Functions
(cont
’
d)
Symbol
Pin Number
I/O
*)
Function
相关PDF资料 |
PDF描述 |
|---|---|
| C505C-2R | Circular Connector; No. of Contacts:5; Series:; Body Material:Aluminum; Connecting Termination:Solder; Connector Shell Size:18; Circular Contact Gender:Pin; Circular Shell Style:Straight Plug; Insert Arrangement:18-5 |
| C505CA-L | 8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash |
| C505 | 8-Bit CMOS Microcontroller |
| C505CA-4RC | 8-bit Single-Chip Microcontroller (Bare Die Delivery) |
| C505CA-4EM | 8-Bit CMOS Microcontroller |
相关代理商/技术参数 |
参数描述 |
|---|---|
| C505CA-2R | 制造商:INFINEON 制造商全称:Infineon Technologies AG 功能描述:8-Bit Single-Chip Microcontroller |
| C505CA2RMCAKXUMA1 | 功能描述:IC MCU 32BIT 44MQFP 制造商:infineon technologies 系列:* 零件状态:最後搶購 标准包装:1 |
| C505CA2RMCAKXUMA2 | 功能描述:IC MCU 32BIT 44MQFP 制造商:infineon technologies 系列:* 零件状态:最後搶購 标准包装:1 |
| C505CA-4E | 制造商:INFINEON 制造商全称:Infineon Technologies AG 功能描述:8-Bit Single-Chip Microcontroller |
| C505CA-4EM | 制造商:INFINEON 制造商全称:Infineon Technologies AG 功能描述:8-Bit CMOS Microcontroller |
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