AT83C51SND1C_03 ATMEL [ATMEL Corporation], AT83C51SND1C_03 Datasheet - Page 184

• Manufacturer Part Number: AT83C51SND1C_03
• Description: Single-Chip Flash Microcontroller with MP3 Decoder and Human Interface
• Manufacturer: ATMEL [ATMEL Corporation]

A to D Converter
Oscillator & Crystal
Schematic
Parameters
184
AT8xC51SND1C
Table 155. A to D Converter DC Characteristics
V
Figure 139. Crystal Connection
Note:
Table 156. Oscillator & Crystal Characteristics
V
DD
DD
Symbol
Symbol
AV
AV
R
AI
AI
AV
C
C
C
= 2.7 to 3.3 V, T
= 2.7 to 3.3 V, T
DL
RS
CS
C
REF
F
DD
REF
PD
IA
X1
X2
DD
IN
L
For operation with most standard crystals, no external components are needed on X1
and X2. It may be necessary to add external capacitors on X1 and X2 to ground in spe-
cial cases (max 10 pF). X1 and X2 may not be used to drive other circuits.
Analog Supply Voltage
Analog Operating Supply
Current
Analog Standby Current
Analog Input Voltage
Reference Voltage
AREF Input Resistance
Analog Input capacitance
Internal Capacitance (X1 - VSS)
Internal Capacitance (X2 - VSS)
Equivalent Load Capacitance (X1 - X2)
Drive Level
Crystal Frequency
Crystal Series Resistance
Crystal Shunt Capacitance
A
A
REFN
REFP
Parameter
A
A
= -40 to +85°C
= -40 to +85°C
Parameter
VSS
C1
C2
AV
AV
Min
2.7
2.4
10
SS
SS
Q
Typ
X1
X2
Min
AV
AV
Max
600
3.3
30
10
2
DD
DD
Units
KΩ
Typ
µA
µA
pF
10
10
V
V
V
5
AV
AIN1:0= 0 to AV
ADEN= 1
AV
ADEN= 0 or PD= 1
T
T
A
A
= 25°C
= 25°C
Test Conditions
DD
DD
Max
= 3.3V
= 3.3V
4109E–8051–06/03
50
20
40
6
MHz
Unit
µW
DD
pF
pF
pF
pF
Ω