DVD 37 (serv.man6) - Harman Kardon Audio Service Manual (repair manual). Page 105

are not implemented). See See “I/O PORTS” on page 39. and 

Section 12.8 I/O PORT PIN CHARACTER-

ISTICS

 for more details.

3. OSC1 and OSC2 pins connect a crystal/ceramic resonator, or an external source to the on-chip oscil-
lator; see 

 and 

Section 12.5 CLOCK AND TIMING CHARACTERISTICS

 for

more details.

4. On the chip, each I/O port has 8 pads. Pads that are not bonded to external pins are in input pull-up con-
figuration after reset. The configuration of these pads must be kept at reset state to avoid added current
consumption.

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harman/kardon

Service manual DVD37EU

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