EVB-USB2240-IND SMSC, EVB-USB2240-IND Datasheet - Page 37

• Manufacturer Part Number: EVB-USB2240-IND
• Description: EVALUATION BOARD USB2241-AEZG
• Manufacturer: SMSC

Specifications of EVB-USB2240-IND

• Main Purpose: Memory, SD/MMC
• Embedded: No
• Utilized Ic / Part: USB2241
• Primary Attributes: Read and Write to Over 22 Flash Media Formats from xD, MS, SD, and MMC
• Secondary Attributes: Socket for External EEPROM Expansion, USB Power with 3.3 V Regulator
• Interface Type: USB
• Product: Interface Modules
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With/related Products: USB2240
• Other names: 638-1078

Ultra Fast USB 2.0 Multi-Format, SD/MMC, and MS Flash Media Controllers
Datasheet
Chapter 8 Pin Reset States
SMSC USB224x
8.1
USB2240/40i/41/41i Pin Reset States
PIN
30
25
26
8
7
5
4
V
V
Voltage
Signal
DD33
SS
(v)
Table 8.2 USB2240/40i/41/41i 36-Pin Reset States
xD_D4 / GPIO6 (SD_WP) / MS_SCLK
Table 8.1 Legend for Pin Reset States Table
SYMBOL DESCRIPTION
0
1
IP
PU
PD
--
Z
xD_D0 / SD_D6 / MS_D7
xD_D1 / SD_D7 / MS_D6
xD_D2 / SD_D0 / MS_D4
xD_D3 / SD_D1 / MS_D5
RESET
GPIO15 (SD_nCD)
xD_D5 / SD_D2
Figure 8.1 Pin Reset States
PIN NAME
Output driven low
Output driven high
Input enabled
Hardware enables pull-up
Hardware enables pull-down
Hardware disables function
Hardware disables pad. Both output
driver and input buffers are disabled.
DATASHEET
Initialization
Hardware
37
Operational
FUNCTION
Firmware
SD_WP
GPIO
none
none
none
none
none
RESET STATE
INPUT/
OUT-
PUT
IP
Time
0
z
z
z
z
z
RESET
(t)
PU/
PD
pu
--
--
--
--
--
--
Revision 2.0 (10-14-09)