LG GCE 8480B Service Manual page 51

175 UP3_1
/ UTXD
176 UP3_0
/ URXD
177 UALE
178 UPSEN#
189,188,186, UA[7:0]
185,184,182,
181,179
190,192,193, UP2_[7:0]
194,195,197, / UA[15:8]
198,199
191 FLASH_WE# 3.3V LV TTL output,
200 UP1_1
/UA17
201 UP1_0
/ UA16
202 FLASH_CS#
203,204,3, UP0_[7:0]
4,5,6,8,9 / UAD[7:0]
205 UP1_2
/UA18
Motor and Actuator Driver Interface (11)
20
42
3.3V LVTTL I/O,
Slew rate,
4mA driving,
75K pull-up
3.3V LVTTL I/O,
Slew rate,
4mA driving,
75K pull-up
3.3V LV TTL I/O,
Slew rate, SMT,
4mA driving,
75K pull-up
3.3V LVTTL I/O,
Slew rate, SMT,
4mA driving,
75K pull-up
3.3V LVTTL output,
Slew rate,
2mA, 4mA, 6mA
8mA PDR,
75K pull-up
3.3V LVTTL I/O,
Slew rate,
2mA, 4mA, 6mA
8mA PDR,
75K pull-up
4mA driving
3.3V LVTTL I/O,
Slew rate,
2mA, 4mA, 6mA
8mA PDR,
75K pull-up
3.3V LVTTL I/O,
Slew rate,
2mA, 4mA, 6mA
8mA PDR,
75K pull-up
3.3V LV TTL I/O,
4mA driving,
75K pull-up
3.3V LVTTL I/O,
Slew rate,
2mA, 4mA, 6mA
8mA PDR
3.3V LVTTL I/O,
Slew rate,
4mA driving,
75K pull-up
FG 3.3V LV TTL Input,
SMT, 75K pull-up
Programmable bi-directional I/O.
Alternate function : TXD. Serial transmit data.
Programmable bi-directional I/O.
Alternate function : RXD. Serial receive data.
Address latch enable output during internal µP mode, active
high. And as address latch enable input during ICE mode.
Programmable store enable output during internal µP mode,
active low. UPSEN# enables the external ROM output port.
And as input during ICE mode.
Lower address bus output for external device.
Alternate function : Internal monitored signal output.
Programmable bi-directional I/O.
Alternate function : A[15:8]. Upper address bus input/output.
Flash memory write enable signal output, low active.
Programmable bi-directional I/O.
Alternate function : A17. Address bit 17 output.
Programmable bi-directional I/O.
Alternate function : A16. Address bit 16 output.
Flash memory chip select signal output, low active.
Programmable bi-directional I/O.
Alternate function : AD[7:0]. Lower address/data bus output for
external device.
Programmable bi-directional I/O.
Alternate function : UA18. Address bit 18 output.
Motor Hall sensor input.