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A Performance Analysis System for the Sport of Bowling

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Appendix C: SMARTDOT Module Command Timing Diagrams<br />

'U' - 0x55 'U' - 0x55 'T' EEPROM CONTENTS<br />

512 Bytes<br />

@ 38400 baud<br />

200 msec time out<br />

200 msec time out<br />

200 msec time out<br />

10 msec typical<br />

"HI" character<br />

@ 38400 baud<br />

"HI" character<br />

@ 38400 baud<br />

Echo Command<br />

@ 38400 baud<br />

500 msec typical<br />

to<br />

1second max<br />

160 msec nominal<br />

C-2<br />

500 msec typical<br />

to<br />

1 second max<br />

125 msec<br />

40 msec delay<br />

40 msec delay<br />

40 msec delay<br />

TRANSMIT<br />

1 Start<br />

8 Data<br />

EVEN Parity<br />

2 Stop<br />

0x00 'T' 0x11<br />

uP START-UP<br />

RELEASE<br />

WAND IN PLACE<br />

MODULE: "HI"<br />

WAND: "I'M HERE"<br />

MODULE: "CLEAR TO SEND"<br />

WAND: "TRANSMIT"<br />

MODULE: ECHO<br />

WAND: "CLEAR TO SEND"<br />

MODULE: UPLOADING DATA<br />

uP SHUTDOWN<br />

NULL character<br />

@ 600 baud<br />

Transmit Command<br />

@ 600 baud<br />

XON character<br />

@ 600 baud<br />

RECEIVE<br />

1 Start<br />

8 Data<br />

EVEN Parity<br />

1 Stop<br />

Figure C-1<br />

AMBIENT LIGHT<br />

UPLOAD COMMAND TIMING DIAGRAM

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