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参数资料
| 型号： | SAF-C515A-LM |
| 厂商： | INFINEON TECHNOLOGIES AG |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 8-BIT, 18 MHz, MICROCONTROLLER, PQFP80 |
| 封装： | METRIC, PLASTIC, QFP-80 |
| 文件页数： | 2/58页 |
| 文件大小： | 634K |
| 代理商： | SAF-C515A-LM |
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C515A
Semiconductor Group
10
1997-10-01
XTAL2
36
–
XTAL2
Input to the inverting oscillator amplifier and input to the
internal clock generator circuits. To drive the device
from an external clock source, XTAL2 should be driven,
while XTAL1 is left unconnected. Minimum and
maximum high and low times as well as rise/fall times
specified in the AC characteristics must be observed.
XTAL1
37
–
XTAL1
Output of the inverting oscillator amplifier.
P2.0-P2.7
38-45
I/O
Port 2
is an 8-bit quasi-bidirectional I/O port with internal pullup
resistors. Port 2 pins that have 1's 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 resistors when issuing 1's. During
accesses to external data memory that use 8-bit
addresses (MOVX @Ri), port 2 issues the contents of
the P2 special function register.
PSEN
47
O
The Program Store Enable
output is a control signal that enables the external
program memory to the bus during external fetch
operations. It is activated every six oscillator periods,
except during external data memory accesses. The
signal remains high during internal program execution.
ALE
48
O
The Address Latch Enable
output is used for latching the address into external
memory during normal operation. It is activated every
six oscillator periods, except during an external data
memory access. ALE can be switched off when the
program is executed internally.
*) I = Input
O = Output
Table 1
Pin Denitions and Functions (cont’d)
Symbol
Pin Number
(P-MQFP-80)
I/O*)
Function
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SAFC515C8EM | 制造商:Infineon Technologies AG 功能描述:8bit microcontrollerSAF-C515C-8EM MQFP80 |
| SAF-C515C-8EM | 制造商:Infineon Technologies AG 功能描述:IC 8BIT MCU OTP SMD 制造商:Infineon Technologies AG 功能描述:IC, 8BIT MCU OTP, SMD |
| SAFC515C-8EM | 制造商:Infineon Technologies AG 功能描述:IC 8BIT CPU SMD MQFP80 515 |
| SAF-C515C-8EM CA | 功能描述:8位微控制器 -MCU 8 BIT OTP RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT |
| SAFC515C8EM-BC | 制造商:Infineon Technologies AG 功能描述:MCU 8-Bit C500 8051 CISC 64KB EPROM 5V 80-Pin MQFP |
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