AT89C5132 Atmel Corporation, AT89C5132 Datasheet - Page 16

• Manufacturer Part Number: AT89C5132
• Manufacturer: Atmel Corporation

Specifications of AT89C5132

• Flash (kbytes): 64 Kbytes
• Max. Operating Frequency: 20 MHz
• Cpu: 8051-12C
• Max I/o Pins: 44
• Usb Transceiver: 1
• Usb Speed: Full Speed
• Usb Interface: Device
• Spi: 1
• Uart: 1
• Adc Channels: 2
• Adc Resolution (bits): 10
• Adc Speed (ksps): 22.7
• Sram (kbytes): 2.25
• Self Program Memory: API
• Operating Voltage (vcc): 2.7 to 3.6
• Timers: 2
• Isp: UART/USB
• Watchdog: Yes

6.2.3
16
AT89C5132
A-to-D Converter
Figure 6-2.
Figure 6-3.
Table 2. A-to-D Converter DC Characteristics
V
DD
Symbol
AV
AV
R
AI
AV
AI
= 2.7 to 3.3V , T
C
REF
REF
DD
PD
IA
DD
IN
Parameter
Analog Supply Voltage
Analog Operating Supply Current
Analog Standby Current
Analog Input Voltage
Reference Voltage
A
A
AREF Input Resistance
Analog Input capacitance
REFN
REFP
I
I
DL
PD
Test Condition, Idle Mode
Test Condition, Power-Down Mode
Clock Signal
A
= -40 to +85°C
(NC)
(NC)
VSS
VSS
VSS
VSS
All other pins are unconnected
All other pins are unconnected
RST
VSS
PVSS
UVSS
AVSS
RST
VSS
PVSS
UVSS
AVSS
X2
X1
X2
X1
AV
AV
Min
2.7
2.4
10
SS
SS
MCMD
MDAT
UVDD
UVDD
PVDD
AVDD
PVDD
AVDD
VDD
VDD
TST
TST
Typ
P0
P0
VDD
VDD
A
A
Max
600
3.3
V
V
30
10
2
VDD
VDD
DD
DD
I
I
DL
PD
Units
μA
μA
kΩ
pF
V
V
V
V
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
4173ES–USB–09/07
= 3.3V
= 3.3V
DD