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参数资料
| 型号： | SAB-C505C-2RM |
| 厂商： | INFINEON TECHNOLOGIES AG |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 8-BIT, MROM, 20 MHz, MICROCONTROLLER, PQFP44 |
| 封装： | METRIC, PLASTIC, QFP-44 |
| 文件页数： | 37/37页 |
| 文件大小： | 335K |
| 代理商： | SAB-C505C-2RM |
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Semiconductor Group
9
1997-12-01
C505 / C505C
C505A / C505CA
RESET
4
I
RESET
A high level on this pin for one machine cycle while the
oscillator is running resets the device. An internal diffused
resistor to
VSS permits power-on reset using only an
external capacitor to
VCC.
P3.0-P3.7
5, 7-13
5
7
8
9
10
11
12
13
I/O
Port 3
is an 8-bit quasi-bidirectional port with internal pull-up
arrangement. Port 3 pins that have 1’s written to them are
pulled high by the internal pull-up transistors and in that
state can be used as inputs. As inputs, port 3 pins being
externally pulled low will source current (
IIL, in the DC
characteristics) because of the internal pullup transistors.
The output latch corresponding to a secondary function
must be programmed to a one (1) for that function to operate
(except for TxD and WR). The secondary functions are
assigned to the pins of port 3 as follows:
P3.0 / RxD
Receiver data input (asynch.) or data
input/output (synch.) of serial interface
P3.1 / TxD
Transmitter data output (asynch.) or
clock output (synch.) of serial interface
P3.2 / INT0
External interrupt 0 input / timer 0 gate
control input
P3.3 / INT1
External interrupt 1 input / timer 1 gate
control input
P3.4 / T0
Timer 0 counter input
P3.5 / T1
Timer 1 counter input
P3.6 / WR
WR control output; latches the data
byte from port 0 into the external data
memory
P3.7 / RD
RD control output; enables the external
data memory
*) I = Input
O = Output
Table 3
Pin Denitions and Functions (cont’d)
Symbol
Pin Number
I/O
*)
Function
相关PDF资料 |
PDF描述 |
|---|---|
| SAF-C505-2RM | 8-BIT, MROM, 20 MHz, MICROCONTROLLER, PQFP44 |
| SAF-C513A-H8N | 8-BIT, OTPROM, 8 MHz, MICROCONTROLLER, PQCC44 |
| SAF-C513A-HN | 8-BIT, EEPROM, 8 MHz, MICROCONTROLLER, PQCC44 |
| SAF-C515A-LM | 8-BIT, 18 MHz, MICROCONTROLLER, PQFP80 |
| SAF-C515C-8EMCA | 8-BIT, OTPROM, 10 MHz, MICROCONTROLLER, PQFP80 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| SAB-C505CA-4EM | 制造商:Infineon Technologies 功能描述:Bulk |
| SAB-C505CA-4EM 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 |
| SAB-C505CA-4EM CATR | 制造商:Infineon Technologies AG 功能描述: |
| SABC505CA4EMCA | 制造商:Infineon Technologies AG 功能描述: 制造商:Rochester Electronics LLC 功能描述: |
| SAB-C505CA-4EMCA | 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 |
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