Alcor Micro AU9412EEP, Technical Reference Manual

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PIN ASSIGNMENT 7
Table 3-1 (continued). Pin Descriptions
Pin # Pin Name I/O Description
5 USB1_DM I/O
USB D- for downstream port 1. Add 15K
Ω
pull-down
to ground
6 SCAN1_1 I Matrix scan line; internal 3.3k pull-up
7 SCAN1_2 I Matrix scan line; internal 3.3k pull-up
8 SCAN1_3 I Matrix scan line; internal 3.3k pull-up
9 SCAN1_4 I Matrix scan line; internal 3.3k pull-up
10 SCAN1_5 I Matrix scan line; internal 3.3k pull-up
11 SCAN1_6 I Matrix scan line; internal 3.3k pull-up
12 SCAN1_7/
EEP_DIN I/O Input: Matrix scan line; internal 3.3k pull-up.
Output: EEPROM data in; connect to EEPROM DIN
pin; 2 mA.
13 SCAN1_8/
EEP_CLK I/O Input: Matrix scan line; internal 3.3k pull-up.
Output: Clock for EEPROM; 2 mA.
14 SCR_LOCK O Scroll Lock LED. Active low; 8 mA
15 VDD PWR +5v power supply
16 SCAN2_12 I/O Matrix scan line; 16 mA, internal 33k pull-down
17 SCAN2_13 I/O Matrix scan line; 16 mA, internal 33k pull-down
18 SCAN2_14 I/O Matrix scan line; 16 mA, internal 33k pull-down