Single-chip with duration of 60, 75, 90, or 120 seconds.
Manual switch or microcontroller compatible
Playback can be edge- or level-activated
Directly cascadable for longer durations
Automatic power-down (push-button mode)
- Standby current 1 µA (typical)
Zero-power message storage
- Eliminates battery backup circuits
Fully addressable to handle multiple messages
100-year message retention (typical)
100,000 record cycles (typical)
On-chip clock source
Programmer support for play-only applications
Single +5 volt power supply
Available in die form, PDIP, SOIC and TSOP packaging
Temperature = die (0°C to +50°C) and package (0°C to +70°C)
•
•
•
•
•
•
•
•
•
-2-
ISD2560/75/90/120
3. BLOCK DIAGRAM
Internal Clock
XCLK
Timing
Sampling Clock
ANA IN
Amp
5-Pole Active
Antialiasing Filter
Decoders
Analog Transceivers
480K Cell
Nonvolatile
Multilevel Storage
Array
ANA OUT
MIC
MIC REF
AGC
Pre-
Amp
Automatic
Gain Control
(AGC)
Power Conditioning
5-Pole Active
Smoothing Filter
SP +
Mux
Amp
SP -
Address Buffers
Device Control
V
CCA
V
SSA
V
SSD
V
CCD
A0 A1 A2 A3 A4 A5 A6 A7 A8
A9
PD
OVF
P/R
CE
EOM
AUX IN
-3-
Publication Release Date: May 2003
Revision 1.0
ISD2560/75/90/120
4. TABLE OF CONTENTS
1. GENERAL DESCRIPTION.................................................................................................................. 2
2. FEATURES ......................................................................................................................................... 2
FR5739 does not have internally configured capacitors like g2553, so when connected to an external crystal oscillator, an external capacitor is required to start oscillation: (a) For XT1DRIVE = {0}, C...
[i=s]This post was last edited by paulhyde on 2014-9-15 03:53[/i] You are not allowed to bring anything. Is the minimum system board a Renesas one? :cold:...
Driver for Samsung flash, model K5E1G13ACA. Why is the data misaligned when I read it? For example, I write 0x11 to all the pages with number 0xFF, and then read it out. The result is (I save the read...
[b] There is an mbxtest program in the DSP BIOS routine provided by TI, which is probably used to teach the use of mailboxes. The program has three write tasks and one read task, with the same priorit...
In our common sense, the word technology often has two definitions. The first is the technology sealed in the laboratory. They are like flowers on the mountain top. Only a few people on the mountai...[Details]
Recently, the results of the 2018 German Red Dot Design Award were announced. GoodWe, a company located in Suzhou High-tech Zone, stood out among thousands of outstanding design products from 5...[Details]
In the war without gunpowder between China and the United States,
ZTE
has become a new victim. The seven-year chip ban by the United States has pushed this communications giant to a life-or...[Details]
I recently upgraded MDK to V5.25 and found that there are many libraries in the Managing Run-Time Environment. Compared with the past, it is much better, from the bottom-level driver to the upper-le...[Details]
In the previous article, I wrote a simple GPIO running light test, which looked a bit monotonous. I was used to serial port debugging. If there was no serial port on the board, I had to find another ...[Details]
background After the hardware engineer completed the PCB and schematic design, the routine was modified according to the tutorial of Zhengdian Atom to verify the correctness of the hardware. STM32F...[Details]
In 1952, Bell Labs built a 6-foot-tall automatic number recognition machine called "Audrey", which could recognize the pronunciation of the numbers 0 to 9 with an accuracy of more than 90%. And its...[Details]
China Energy Storage Network News:
The State Grid Corporation of China, this elephant, is planning to turn around and enter the emerging power service market.
The rallying cry for the tr...[Details]
In the Huaxing Optoelectronics LCD panel
factory
located in Guangming New District, Shenzhen
, apart from a few people repairing machines, it is often difficult to see other people. Here, ev...[Details]
This program is used in the development board to generate sounds of different frequencies. The overall program is relatively simple, mainly using two timers. The code and my comments are as follows. ...[Details]
On the eve of 5G
commercialization,
ZTE
has established and adhered to
the
5G
pioneer strategy, focusing on
5G
end-to-end solutions, and investing in standard setting, ...[Details]
On May 8,
Google
I/O 2018 Developer Conference was held as scheduled in Mountain View, California. In the second year of the full promotion of the "AI first" strategy, artificial intelligen...[Details]
The photovoltaic industry has become a new business card for China to the world. It not only represents China's leading technology, but also constantly breaks various records with its development spee...[Details]
The first one is a DMA mode of multiple channel acquisition void ADC_DMA_Config(void) { ADC_InitTypeDef ADC_InitStructure; RCC_HSICmd(ENABLE); while (RCC_GetFlagStatus(RCC_FLAG_HSIRDY) == RESET); ...[Details]
PCB Design
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