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| 型號(hào)： | S1C17705B00E100 |
| 元件分類(lèi)： | 微控制器/微處理器 |
| 英文描述： | 16-BIT, FLASH, 8.2 MHz, RISC MICROCONTROLLER, BGA240 |
| 封裝： | 10 X 10 MM, 0.50 MM PITCH, BGA-240 |
| 文件頁(yè)數(shù)： | 239/318頁(yè) |
| 文件大小： | 2516K |
| 代理商： | S1C17705B00E100 |
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APPENDIX C MOUNTING PRECAUTIONS
S1C17705 TECHNICAL MANUAL
Seiko Epson Corporation
AP-C-3
If you detect potential noise-induced malfunctions while observing the waveform with an oscilloscope, recheck
with a low-impedance (less than 1 k
W) resistor connecting the relevant pin to GND or to the power supply.
Malfunctions at that pin are likely if changes are visible, such as the malfunction disappearing, becoming less
frequent, or the phenomena changing.
The DSIO and #RESET input circuits described above detect input signal edges and are susceptible to malfunc-
tions induced by spike noise. This makes these digital signal pins the most susceptible to noise.
To reduce potential noise, keep the following two points in mind when designing circuit boards:
(A) It is important to lower the signal-driving impedance, as described above. Connect pins to the power supply
or GND, with impedance of 1 k
W or less, preferably 0 W. The signal lines connected should be no longer
than approximately 5 mm.
(B) Parallel routing of signal lines with other digital lines on the board is undesirable, since the noise generated
when the signal changes from High to Low or vice versa may adversely affect the digital lines. The sig-
nal may be subject to the most noise when signal lines are laid between multiple signal lines whose states
change simultaneously. Take corrective measures by shortening the parallel distance (to several cm) or
separating signal lines (2 mm or more).
Handling of light (for bare chip mounting)
The characteristics of semiconductor components can vary when exposed to light. ICs may malfunction or non-
volatile memory data may be corrupted if ICs are exposed to light.
Consider the following precautions for circuit boards and products in which this IC is mounted to prevent IC
malfunctions attributable to light exposure.
(1) Design and mount the product so that the IC is shielded from light during use.
(2) Shield the IC from light during inspection processes.
(3) Shield the IC on the upper, underside, and side faces of the IC chip.
(4) Mount the IC chip within one week of opening the package. If the IC chip must be stored before mounting,
take measures to ensure light shielding.
(5) Adequate evaluations are required to assess nonvolatile memory data retention characteristics before prod-
uct delivery if the product is subjected to heat stress exceeding regular reflow conditions during mounting
processes.
Unused pins
(1) I/O port (P) pins
Unused pins should be left open. The control registers should be fixed at the initial status (input with pull-
up enabled).
(2) OSC1, OSC2, OSC3, and OSC4 pins
If an oscillator circuit is not used, the oscillator pins should be left open. The control registers should be
fixed at the initial status (oscillation disabled).
(3) VC1–5, CA–CE, SEGx, and COMx pins
If the LCD driver is not used, these pins should be left open. The control registers should be fixed at the
initial status (display off). The unused SEGx and COMx pins that are not required to connect should be left
open even if the LCD driver is used.
(4) VD2, CF, and CG pins
If the power voltage booster is not used, these pins should be left open. The control registers should be fixed
at the initial status (power voltage booster disabled).
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| S1C33209F01E | 32-BIT, 60 MHz, RISC MICROCONTROLLER, PQFP128 |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| S1C17705F101100 | 功能描述:16位微控制器 - MCU 16-bit 512KB Flash LCD 128x32 RoHS:否 制造商:Texas Instruments 核心:RISC 處理器系列:MSP430FR572x 數(shù)據(jù)總線寬度:16 bit 最大時(shí)鐘頻率:24 MHz 程序存儲(chǔ)器大小:8 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:VQFN-40 安裝風(fēng)格:SMD/SMT |
| S1C17706 | 制造商:EPSON 制造商全稱:EPSON 功能描述:Low Power 16-bit Single Chip Microcontroller |
| S1C17711 | 制造商:EPSON 制造商全稱:EPSON 功能描述:Low Power 16-bit Single Chip Microcontroller |
| S1C17801 | 制造商:EPSON 制造商全稱:EPSON 功能描述:CMOS 16-bit Application Specific Controller |
| S1C17801B | 制造商:EPSON 制造商全稱:EPSON 功能描述:CMOS 16-bit Application Specific Controller |
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