AT43USB380E-AI Atmel, AT43USB380E-AI Datasheet - Page 2

• Manufacturer Part Number: AT43USB380E-AI
• Description: IC PROCESSOR USB 2.0 100-TQFP
• Manufacturer: Atmel
• Series: AVR®r

Specifications of AT43USB380E-AI

• Applications: USB Host/Function Processor
• Controller Series: AT43USB
• Interface: USB
• Number Of I /o: 32
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 100-TQFP, 100-VQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Voltage - Supply: -
• Core Processor: -
• Program Memory Type: -
• Ram Size: -

AT43USB380 OTG Processor Pin Description
2
AT43USB380 Upgrade Map Summary
USB functionality. Communication with the AT43USB380 is achieved through a small
set (less than 25) of high level, ANSI C-compliant APIs. The actual USB protocol includ-
ing HNP and SRP is transparent to the host processor.
Table 1 gives the description of the pins.
Table 1. Pin Description of the AT43USB380
Signal Name
System Interface
SYS_CLK
A[7:0]
CS_N
D[15:0]
D[31:16]/
GPIO[15:0]
DACK_N
DREQ_N
INTR_OUT
OE_N
WAIT_N
WE_N
BWIDTH[1:0]
WAKEUP_N
USB Interface
DM
DP
ID
RPU_EN
RPD_EN
Charge Pump Interface
CPClk
EN
PUMP_EN
Dir.
O
O
O
O
O
O
O
O
B
B
B
B
I
I
I
I
I
I
I
I
I
Polarity
LO
LO
LO
LO
LO
LO
LO
HI
Width
16
16
1
8
1
1
1
1
1
1
1
2
1
1
1
1
1
1
1
1
1
Description
Host system clock input for synchronization
of WAIT_N and DREQ_N. (Synchronization
requirement can be enable/disable through
internal register settings)
System Address Bus
CHIP_SELECT signal from System (ARM
System Data Bus [15:0]
BWIDTH[1:0]=1x : System Data Bus [31:16]
BWIDTH[1:0]=0x : GPIO[15:0]
DMA Acknowledge from System (ARM)
DMA Request to System (ARM)
Interrupt to System (ARM)
OUTPUT_ENABLE from System (ARM)
WAIT to System (ARM)
WRITE_ENABLE from System (ARM)
System Data Bus Size:
00 : 8 Bit Interface D[7:0]
01 : 16 Bit Interface D[15:0]
1x : 32 Bit Interface D[31:0]
Wakeup Request from System
USB Line (D-)
USB Line (D+)
OTG device type identification; used to
differentiate a Mini-A and Mini-B plug
Enable resistive pull-up to the D+ line
Enable resistive pull-down to the D+/D- lines
Charge Pump clock output
Charge Pump; Enable for Charge Pump
Charge Pump; Enable for Charge Pump
3420AS–USB–03/04
®
)