MCF5272VF66 Freescale, MCF5272VF66 Datasheet - Page 270

• Manufacturer Part Number: MCF5272VF66
• Manufacturer: Freescale

Specifications of MCF5272VF66

• Family Name: MCF5xxx
• Device Core: ColdFire
• Device Core Size: 32b
• Frequency (max): 66MHz
• Instruction Set Architecture: RISC
• Supply Voltage 1 (typ): 3.3V
• Operating Temp Range: 0C to 70C
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 196
• Package Type: MA-BGA
• Lead Free Status / RoHS Status: Not Compliant

Universal Serial Bus (USB)
12.3.2.6
Defines which of several possible interfaces is currently active.
Figure 12-8
user in order to determine which interfaces are currently valid.
Table 12-8
12-12
31–0
Bits
IFn_AS
lists field descriptions for the USB alternate settings register.
Name
shows the USB alternate settings register. The configuration descriptors must be read by the
Reset
Reset
Field IF15_AS
Field
USB Alternate Settings Register (ASR)
Addr
R/W
R/W
USB alternate settings for interface n. This field indicates which alternate setting is active for each
interface.
00 Alternate Setting 0
01 Alternate Setting 1
10 Alternate Setting 2
11 Alternate Setting 3
31
15
IF7_AS
MCF5272 ColdFire
30
14
Figure 12-8. USB Alternate Settings Register (ASR)
IF14_AS
29
13
IF6_AS
28
12
Table 12-8. ASR Field Descriptions
®
IF13_AS
27
11
IF5_AS
Integrated Microprocessor User’s Manual, Rev. 3
26
10
0000_0000_0000_0000
0000_0000_0000_0000
IF12_AS
25
IF4_AS
9
MBAR + 0x1014
24
8
Read
Read
Description
IF11_AS
23
IF3_AS
7
22
6
IF10_AS
21
IF2_AS
5
20
4
19
IF9_AS
IF1_AS
3
18
2
Freescale Semiconductor
17
IF8_AS
IF0_AS
1
16
0