Sony DHC-MD555 Operation Manual page 5

Control i & md walkman link

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The terminal for the earlier mentioned optional TC is of the 5-pin type used for system cables, etc. The serial data of the SDA terminal uses

the same signal format as CONTROL I.

Fig. 1-2. Optional TC Terminal

Table 1-2. Function of Optional TC Terminals

I/O

Terminal Name

I/O

SDA

Serial data input/output terminal

Normal:H, when the microprocessor is abnormal:L

I/O

HELP

–

GND

Grounding terminal

–

VDD

+5V terminal

Serial clock input/output

I/O

SCL

Function

– 5 –

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