ST7586S 데이터 시트보기 (PDF) - Sitronix Technology Co., Ltd.
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ST7586S Datasheet PDF : 63 Pages
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ST7586S
Name
Type
Description
Read / Write execution control pin. (This pin is only used in parallel interface)
MPU Type
ERD
Description
ERD
Input
6800-series
Read / Write control input pin.
R/W = “H”: When E is “H”, data bus is in output status.
E
R/W = “L”: The data are latched at the falling edge of the
E signal.
8080-series
Read enable input pin.
/RD
When /RD is “L”, data bus is in output status.
This pin is not used in serial interfaces and should be connected to VDD1.
D[7:0]
The bi-directional data bus of the MPU interface. When CSB is “H”, they are high impedance.
If using serial interface:
I/O
D0 is the SDA signal in 4-Line & 3-Line interface.
D1 is the A0 signal in 4-Line interface.
Note:
1. After VDD1 is turned ON, all MPU interface pins should not be left OPEN.
2. The un-used pins should be connected to VDD1.
OTP Pins
Name
Type
VPP
Power
EXTB
Input
Description
The programming power supply of the built-in OTP. Apply external power (6.5~6.75V) here when
programming (> 8mA for successful programming).
EXTB=“L”: Enable the extension operation mode.
When programming OTP, connect EXTB to VSS1 externally.
This pin has an internal pull-high resistor. Please leave this pin OPEN after special operation.
Test Pins
Name
Type
CLS
Test
CL
Test
TCAP
Test
VREF
Test
TE
Test
Description
Reserved for testing only.
Please fix this pin to VDD1.
Reserved for testing only. Leave this pin open.
Reserved for testing only. Leave this pin open.
Reserved for testing only. Leave this pin open.
Reserved for testing only. Leave this pin open.
Ver-1.1a
14/63
2009/11/30
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