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| 型号： | TLE7719-T |
| 厂商： | INFINEON TECHNOLOGIES AG |
| 元件分类： | 模拟信号调理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, PDSO28 |
| 封装： | PLASTIC, TSSOP-28 |
| 文件页数： | 30/75页 |
| 文件大小： | 1485K |
| 代理商： | TLE7719-T |
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TLE7719-T
Functional Block Description
Data Sheet
36
V1.1, 2004-09-13
3.2.2.2
Interrupt Source Register (ISR) and Interrupt-Pins
To keep the microcontroller’s load for handling the satellite communication as low as
possible, TLE7719-T provides two interrupt outputs. Therefore the pin [INTN1234]
([INTN34]) is forced to LOW after receiving data or change of the satellite’s status. To
indicate the interrupt source, the Interrupt Source Register (ISR) is programmed at the
same time. This register is reset by reading its status via the LineStat SPI-command.
Figure 14
Interrupt-Pin-Handling
The [INTN1234] pin ([INTN34] pin) will be activated, if
an edge has been detected at the [LINEx] pin, but no valid start-bit has been received.
In this case the ISR-status is set to ‘01’ (Start bit error).
during the data frame, the satellite signal did not show any transition within the
expected edge-detection-window. This exception will be handled as stop bit violation
(indicated by setting the ISR-bits to ’10’).
a signal transition has been detected during the inter-frame time (stop bit violation).
Pos.
Parameter
Symbol
Limit Values
Unit Test
Conditions
min.
typ. max.
3.2.29 Samples for evaluating the
qualified data sample
nEval
7-9
–
3.2.30 Sample Clock cycles from
“begin of stop bit” to “data valid”
in SDRx
nrdy
11
–
3.2.31 Edge detection window
ndetect
8
±2
–
≥ 1
INTN1234
ISR (7:0)
For channels
LINE1...LINE4
SFR (7:0)
ASR2 (7:4)
≥ 1
INTN34
ISR (7:4)
SFR (7:4)
ASR2 (7:6)
For channels
LINE3, LINE4
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相关代理商/技术参数 |
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| TLE7809G | 功能描述:8位微控制器 -MCU Integrated DBL LW side switch 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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