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参数资料
| 型号： | C513A-RN |
| 厂商： | SIEMENS A G |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 8-Bit CMOS Microcontroller |
| 中文描述： | 8-BIT, MROM, 12 MHz, MICROCONTROLLER, PQCC44 |
| 文件页数： | 11/43页 |
| 文件大小： | 692K |
| 代理商： | C513A-RN |
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C511 / C513
Semiconductor Group
11
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
C511A
C513
C513A/A-H
C513A-2R
When held at low level, the microcontroller fetches all
instructions from external program memory.
0A00H
1000H
2000H
3000H
4000H
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
V
CC
N.C.
22
16
–
Circuit ground potential
Power Supply terminal
for all operating modes
No connection
, do not connect externally
44
38
–
1, 12,
23, 34
6, 17,
28, 39
–
*) I = Input
O = Output
Table 3
Pin Definitions and Functions
(cont’d)
Symbol
Pin Number
I/O*) Function
P-LCC-
44
P-MQFP-
44
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相关代理商/技术参数 |
参数描述 |
|---|---|
| C513A-WSN | 制造商:CREE 制造商全称:Cree, Inc 功能描述:5-mm Round LED |
| C513A-WSN-CV0Y0151 | 功能描述:标准LED-通孔 White Round LED RoHS:否 制造商:Vishay Semiconductors 照明颜色:Red 光强度:0.7 mcd 波长/色温:615 nm 显示角:45 deg 透镜颜色/类型:Clear, Non-Diffused 正向电流:70 mA 正向电压:1.83 V to 3.03 V LED 大小:2 mm 系列: 封装:Tube |
| C513A-WSN-CV0Y0151 | 制造商:Cree 功能描述:LED 5MM COOL WHITE 4000MCD 制造商:Cree 功能描述:LED, 5MM, COOL WHITE, 4000MCD |
| C513A-WSN-CV0Y0152 | 功能描述:标准LED-通孔 55DG C-WT NOSTNDOF BRT LAMP 9000K 3.2V RoHS:否 制造商:Vishay Semiconductors 照明颜色:Red 光强度:0.7 mcd 波长/色温:615 nm 显示角:45 deg 透镜颜色/类型:Clear, Non-Diffused 正向电流:70 mA 正向电压:1.83 V to 3.03 V LED 大小:2 mm 系列: 封装:Tube |
| C513A-WSN-CW0Y0231 | 功能描述:标准LED-通孔 White Round LED RoHS:否 制造商:Vishay Semiconductors 照明颜色:Red 光强度:0.7 mcd 波长/色温:615 nm 显示角:45 deg 透镜颜色/类型:Clear, Non-Diffused 正向电流:70 mA 正向电压:1.83 V to 3.03 V LED 大小:2 mm 系列: 封装:Tube |
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