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參數(shù)資料
| 型號(hào)： | K9S3208V0A |
| 廠商： | SAMSUNG SEMICONDUCTOR CO. LTD. |
| 英文描述： | 4M x 8 bit SmartMedia Card |
| 中文描述： | 4米× 8位SmartMedia卡 |
| 文件頁數(shù)： | 25/26頁 |
| 文件大?。?/td> | 353K |
| 代理商： | K9S3208V0A |
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K9S3208V0A-SSB0
SmartMedia
TM
25
READY/BUSY
The device has a R/
B
output that provides a hardware method of indicating the completion of a page program, erase and random
read completion. The R/B pin is normally high but transitions to low after program or erase command is written to the command reg-
ister or random read is begin after address loading. It returns to high when the internal controller has finished the operation. The pin
is an open-drain driver thereby allowing two or more R/B outputs to be Or-tied. An appropriate pull-up resister is required for proper
operation and the value may be calculated by following equation.
DATA PROTECTION
The device is designed to offer protection from any involuntary program/erase during power-transitions. An internal voltage detector
disables all functions whenever Vcc is below about 2V. WP pin provides hardware protection and is recommended to be kept at V
IL
during power-up and power-down as shown in Figure 8. The two step command sequence for program/erase provides additional
software protection.
Figure 8. AC Waveforms for Power Transition
V
CC
WP
High
≈
≈
~ 2.5V
~ 2.5V
V
CC
R/B
open drain output
Device
GND
Rp =
V
CC
(Max.) - V
OL
(Max.)
I
OL
+
Σ
I
L
=
3.2V
8mA
+
Σ
I
L
where I
L
is the sum of the input currents of all devices tied to the
R/B pin.
Rp
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PDF描述 |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| K9S3208V0A-SSB0 | 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:4M x 8 bit SmartMedia Card |
| K9S5608V0A-SSB0 | 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:32M x 8 Bit SmartMediaTM Card |
| K9S5608V0B | 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:SmartMedia CARD |
| K9S5608V0BSSB0000 PRG | 制造商:Samsung Semiconductor 功能描述: |
| K9S5608V0C | 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:SmartMedia CARD |
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