USB4640-HZH SMSC [SMSC Corporation], USB4640-HZH Datasheet - Page 61

• Manufacturer Part Number: USB4640-HZH
• Description: High Speed Inter-Chip (HSIC) USB 2.0 Hub and Flash Media Controller
• Manufacturer: SMSC [SMSC Corporation]

High Speed Inter-Chip (HSIC) USB 2.0 Hub and Flash Media Controller
Datasheet
Chapter 11 GPIO Usage
SMSC USB4640/USB4640i
GPIO10
GPIO12
GPIO14
GPIO15
GPIO1
GPIO2
GPIO4
GPIO5
GPIO6
NAME
ACTIVE
LEVEL
H
H
H
H
L
L
L
L
L
Table 11.1 USB4640/USB4640i GPIO Usage
LED / TxD
CRD_PWR_CTRL
xD_nCD
SD_nCD
RxD
SCL
SDA
SD_WP
MS_nCD
SYMBOL
DATASHEET
61
LED indicator / Serial port transmit line
Serial port receive line
Serial EEPROM clock
Serial EEPROM data
Secure Digital card write protect assertion
Card power control
Memory Stick card detect
xD-Picture card detect
Secure Digital card detect
DESCRIPTION AND NOTE
Revision 1.0 (06-09-09)