at83c5132 ATMEL Corporation, at83c5132 Datasheet - Page 17

• Manufacturer Part Number: at83c5132
• Description: Usb Microcontroller With 64k Bytes Flash Memory
• Manufacturer: ATMEL Corporation

A-to-D Converter
Oscillator and Crystal
Schematic
Parameters
4173CS–USB–07/04
Table 2. A-to-D Converter DC Characteristics
V
Figure 4. Crystal Connection
Note:
Table 3. Oscillator and Crystal Characteristics
V
DD
DD
Symbol
Symbol
AV
AV
R
AI
AI
AV
= 2.7 to 3.3V , T
= 2.7 to 3.3V , T
C
C
C
RS
CS
DL
C
REF
F
REF
DD
PD
X1
X2
IA
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.
Parameter
Analog Supply Voltage
Analog Operating Supply
Current
Analog Standby Current
Analog Input Voltage
Reference Voltage
A
A
AREF Input Resistance
Analog Input capacitance
Parameter
Internal Capacitance (X1 -
Internal Capacitance (X2 -
Equivalent Load Capacitance (X1 - X2)
Drive Level
Crystal Frequency
Crystal Series Resistance
Crystal Shunt Capacitance
REFN
REFP
A
A
= -40°C to +85°C
= -40° to +85°C
VSS
V
V
SS
SS
C1
C2
)
)
AV
AV
Min
2.7
2.4
10
SS
SS
Q
Typ
X1
X2
Min
A
A
Max
600
3.3
V
V
30
10
2
DD
DD
Units
Typ
kΩ
µA
µA
pF
V
V
V
V
10
10
5
AT89C5132
Test Conditions
AV
AIN1:0 = 0 to AV
A
ADEN = 0 or PD = 1
T
T
A
A
V
DD
= 25°C
= 25°C
DD
Max
= 3.3V
50
20
40
6
= 3.3V
Unit
MHz
µW
DD
pF
pF
pF
pF
Ω
21