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| 型號(hào)： | SAF-C513A-HN |
| 廠商： | INFINEON TECHNOLOGIES AG |
| 元件分類(lèi)： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, EEPROM, 8 MHz, MICROCONTROLLER, PQCC44 |
| 封裝： | PLASTIC, LCC-44 |
| 文件頁(yè)數(shù)： | 36/128頁(yè) |
| 文件大?。?/td> | 1837K |
| 代理商： | SAF-C513A-HN |
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Semiconductor Group
1-10
Introduction
ALE
33
27
O
The Address Latch Enable
output is used for latching the low-byte of the address into
external memory during normal operation. It is activated
every six oscillator periodes except during an external
data memory access.
If no external memory is used, the ALE signal generation
can be inhibited, reducing system RFI, by clearing
register bit EALE in the SYSCON register.
EA
35
29
I
External Access Enable
When held at high level, instructions are fetched from the
internal ROM when the PC is less than the size of the
internal ROM :
C511
0A00H
C511A
1000H
C513
2000H
C513A/A-H
3000H
C513A-2R
4000H
When held at low level, the microcontroller fetches all
instructions from external program memory.
P0.0-P0.7
43-36
37-30
I/O
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 pullup transistors when
issuing 1s. External pullup resistors are required during
program verification.
V
SS
22
16
–
Circuit ground potential
V
CC
44
38
–
Power Supply terminal for all operating modes
N.C.
1, 12,
23, 34
6, 17,
28, 39
–
No connection, do not connect externally
*) I = Input
O = Output
Table 1-2
Pin Definitions and Functions (cont’d)
Symbol
Pin Number
I/O*) Function
P-LCC-
44
P-MQFP-
44
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| SAF-C515A-LM | 8-BIT, 18 MHz, MICROCONTROLLER, PQFP80 |
| SAF-C515C-8EMCA | 8-BIT, OTPROM, 10 MHz, MICROCONTROLLER, PQFP80 |
| SAF-C517A-4R24M | 8-BIT, MROM, 24 MHz, MICROCONTROLLER, PQFP100 |
| SAF-C868-1RR | 8-BIT, MROM, 40 MHz, MICROCONTROLLER, PDSO38 |
| SAF-C868-1SR | 8-BIT, 40 MHz, MICROCONTROLLER, PDSO38 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SAF-C513AO | 制造商:INFINEON 制造商全稱(chēng):Infineon Technologies AG 功能描述:8-bit CMOS Microcontroller |
| SAF-C515 | 制造商:INFINEON 制造商全稱(chēng):Infineon Technologies AG 功能描述:8-Bit CMOS Microcontroller |
| SAF-C515-1R24M | 制造商:INFINEON 制造商全稱(chēng):Infineon Technologies AG 功能描述:8-Bit CMOS Microcontroller |
| SAF-C515-1RM | 制造商:INFINEON 制造商全稱(chēng):Infineon Technologies AG 功能描述:8-Bit CMOS Microcontroller |
| SAF-C515A-4R | 制造商:INFINEON 制造商全稱(chēng):Infineon Technologies AG 功能描述:8-Bit CMOS Microcontroller |
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