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Pin No. Pin Name I/O
Description
97 TMS I
Test mode control signal input terminal for JTAG scan test Not used (open)
98 TCX I
Clock signal input terminal for JTAG scan test Not used (open)
99 XTRST I
Reset signal input terminal for JTAG scan test Not used (fixed at “L”)
100 TDO O
Data output terminal for JTAG scan test Not used (open)
101 NC O
Not used (open)
102 SSB DATA I/O Two-way SSB serial data bus with the SN761056CDBT (IC501)
103 SSB CLK O SSB serial clock signal output to the SN761056CDBT (IC501)
104 FLASH WR EN I
Write enable signal input terminal Not used (fixed at “H”)
105 VDD —
Power supply terminal (+2.4V)
106 VSS — Ground terminal
107 to 109
VLC1 to VCL3 I
Not used (fixed at “H”)
110 to 115
SEG0 to SEG5 O
Segment drive signal output to the liquid display module (LCD901)
116 DBB0 I Set switch (S806) input terminal (A/D input) (DIGITAL SOUND PRESET switch 1 input)
117 DBB1 I Set switch (S806) input terminal (A/D input) (DIGITAL SOUND PRESET switch 2 input)
118 XAVLS I Set switch (S807) input terminal (A/D input) (AVLS switch input) “L”: limit
119 XCS NV O
Chip select signal output to the EEPROM (IC802)
120 NC O
Not used (open)