
7
AT85C51SND3Bx
7632A–MP3–03/06
Table 263. Low Voltage Regulator Power Characteristics
HV
DD
= 3 to 3.6 V; T
A
= -40 to +85°C
USB
Schematic Figure 137. USB Connection
Parameters Table 264. USB Component Characteristics
T
A
= -40 to +85°C
Audio Codec
Schematic Figure 138. Audio Codec Connection
Symbol Parameter Min Typ Max Unit Test Conditions
V
LV
Low Voltage Regulator Output Voltage 1.7 1.8 1.9 V I
DC
= 50 mA
I
LV
Low Voltage Regulator Output Current 50 mA
DPH
DMH
VBUS
GND
D+
D-
R
UFT
UVCC
DPF
DMF
R
UFT
UBIAS
C
UB
R
UB
UVSS
VSS
UID
ID
Symbol Parameter Min Typ Max Unit
R
UFT
USB Full Speed Termination Resistor 39 Ω
R
UB
USB Bias Filter Resistor 6810 Ω
C
UB
USB Bias Filter Capacitor 10 pF
AVSS2
OUTR
OUTL
C
OUT
C
OUT
LINL
LINR
C
INL
C
INL
AVCM
AVSS1
C
VCM
AREF
C
AREF
AVSS1
MICIN
C
INM
MICBIAS
C
MB
AVSS1
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