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參數(shù)資料
| 型號： | SAF-C513AO |
| 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)： | 12/59頁 |
| 文件大?。?/td> | 1634K |
| 代理商： | SAF-C513AO |
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C513AO
Data Sheet
10
02.00
ALE
30
33
27
O
Address Latch Enable
This output is used for latching the low-byte of the
address into external memory during normal
operation. It is activated every six oscillator periods
except during an external data memory access.
When instructions are executed from internal
program memory (EA = 1) the ALE generation can
be disabled by bit EALE in SFR SYSCON.
This pin should not be driven during reset operation.
EA
31
35
29
I
External Access Enable
When held at high level, instructions are fetched
from the internal program memory when the PC is
less than 4000
. When held at low level, the
C513AO fetches all instructions from external
program memory.
This pin should not be driven during reset operation.
Note:
For the C513AO-L this pin must be tied low.
P0.0-
P0.7
32-39
43-36
37-30
I/O
Port 0
Port 0 is an 8-bit open-drain bidirectional I/O port.
Port 0 pins that have “1s” 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 pull-up transistors when issuing 1s. External
pull-up resistors are required during program
verification.
V
SS
V
DD
N.C.
20
22, 1
16, 39
–
Ground
(0 V)
40
44, 23
38, 17
–
Power Supply
(+ 5 V)
–
12, 34
6, 28
–
No Connection
. These pins should not be
connected.
*)
I = Input
O = Output
Table 1
Pin Definitions and Functions
(cont’d)
Symbol Pin Number
I/O
*)
Function
P- DIP
-40
P-LCC-
44
P-MQFP-
44
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| SAB-C515-1R24M | 8-Bit CMOS Microcontroller |
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相關(guān)代理商/技術(shù)參數(shù) |
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| SAF-C515 | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:8-Bit CMOS Microcontroller |
| SAF-C515-1R24M | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:8-Bit CMOS Microcontroller |
| SAF-C515-1RM | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:8-Bit CMOS Microcontroller |
| SAF-C515A-4R | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:8-Bit CMOS Microcontroller |
| SAF-C515A-4R24M | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:8-Bit CMOS Microcontroller |
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