LU850425 Datasheet, PDF (7/15 Pages) Sharp Electrionic Components – 8-bit Microcomputer for DSP Camera Systems

LU850425
FUNCTIONAL DESCRIPTION
Serial Control Interface (For adjustment tool)
FORMAT OF DATA TRANSFERS
• Format of transfers : Asynchronous (Based on
RS-232C standard)
• Bit rate : 9 600 bps
• Data length : 8 bits
• Parity check : 1 even parity bit
• Start bit : 1 bit
• Stop bit : 1 bit
• Signal voltage level (CMOS)
3.3 V
UIN
Start D0
Bit
D1
D2
D3
D4
D5
D6
D7
Even
Parity
Bit
Stop
Bit
GND
LSB
MSB
Data Bit
• Connection
Micro-
computer
UIN
UOUT
UIN
UOUT
TXD
RXD
PC or
Adjustment tool
ADJUSTMENT MODE
When the signal level of pin 6 (ADJIN) is low, the
video quality adjustment by a PC or an adjustment
tool is possible.
When the signal level of pin 6 (ADJIN) is high, the
microcomputer control is by a PC.
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