MC34825EPR2 Freescale Semiconductor, MC34825EPR2 Datasheet - Page 33

• Manufacturer Part Number: MC34825EPR2
• Description: IC USB MINI UNIV CHARGING 20QFN
• Manufacturer: Freescale Semiconductor
• Type: USB Interface ICr

Specifications of MC34825EPR2

• Controller Type: USB Peripheral Controller
• Interface: Micro-USB
• Voltage - Supply: 2.7 V ~ 5.5 V
• Current - Supply: 100mA
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 20-UFQFN Exposed Pad
• Usb Version: 2.0
• No. Of Ports: 1
• Supply Voltage Range: 2.7V To 5.5V
• Operating Temperature Range: -40°C To +85°C
• No. Of Pins: 20
• Msl: MSL 3 - 168 Hours
• Peak Reflow Compatible (260 C): Yes
• Rohs Compliant: Yes
• Leaded Process Compatible: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ID RESISTANCE VALUE ASSIGNMENT
resistors.
assignment. The ones with the Assigned Functions filled are
the ones that are already used with special functions. The
ones reserved can be assigned to other functions.
Table 21. ID Resistance Assignment (Unit: kΩ)
Analog Integrated Circuit Device Data
Freescale Semiconductor
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
Item#
The ID resistors used with the 34825 are standard 1%
Table 21
ADC Result
00000
00001
00010
00011
00100
00101
00110
00111
01000
01001
01010
01011
01100
01101
01110
01111
10000
10001
10010
10011
10100
10101
10110
10111
11000
11001
11010
11011
11100
lists the complete 32 ID resistor
ID Resistance
2.604
3.208
4.014
4.820
10.03
12.03
14.46
17.26
24.07
<1.9
6.03
8.03
20.5
28.7
34.0
40.2
49.9
64.9
80.6
102
121
150
200
255
301
365
442
523
2.0
UART Test Cable 1
UART Test Cable 2
USB Test Cable 1
USB Test Cable 2
Carkit Charger
Carkit Charger
TYPICAL APPLICATIONS
Assignment
APPLICATION INFORMATION
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Type 1
Type 2
S10
S11
S12
S0
S1
S2
S3
S4
S5
S6
S7
S8
S9
Table 21. ID Resistance Assignment (Unit: kΩ)
The recommended resistors for the remote control resistor
network are given in
Table 22. Remote Control Resistor Values (Unit: kΩ)
DECOUPLING CAPACITOR
input and output pins. For the VDD pin, a X5R capacitor of
1.0
as the microphone input, the decoupling capacitance at
VBUS pin must be carefully considered. Assuming the voice
band is 3.4 kHz and the pull-up resistance for the microphone
is 2kΩ, the decoupling capacitance at the VBUS pin should
29
30
31
R1
R2
R3
R4
R5
R6
R7
R8
R9
R10
R11
R12
R13
R14
Item#
The remote control architecture is illustrated in
Decoupling capacitors are required at all power supply
ID
GND
μ
F is recommended. For VBUS pin, because it also acts
Resistor
Figure 26. Remote Control Architecture
ADC Result
11101
11110
11111
HOLD
R
1
S0
Table
Standard Value
R
2
S1
590/976
ID Resistance
22.
0.604
0.604
0.806
0.806
1.21
2.43
3.24
3.57
2.0
2.0
2.0
2.0
2.8
1000
APPLICATION INFORMATION
619
R
3
S2
-
TYPICAL APPLICATIONS
…...
R/C Accessory 1
R/C Accessory 2
ID Resistance
R
S12
13
Assignment
614/1000
2.604
3.208
4.014
10.03
12.03
14.46
17.26
24.07
ID float
4.82
6.03
8.03
20.5
2.0
Figure
R
34825
14
26.
33