AT89LP6440-20PU Atmel, AT89LP6440-20PU Datasheet - Page 180

• Manufacturer Part Number: AT89LP6440-20PU
• Description: MCU 8051 64K FLASH ISP 40PDIP
• Manufacturer: Atmel
• Series: 89LPr

Specifications of AT89LP6440-20PU

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 38
• Program Memory Size: 64KB (64K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 8K x 8
• Ram Size: 4.25K x 8
• Voltage - Supply (vcc/vdd): 2.4 V ~ 3.6 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 40-DIP (0.600", 15.24mm)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

26.10 Dual Analog Comparator Characteristics
The values shown in this table are valid for T
Table 26-8.
26.11 DADC Characteristics
The values shown in these tables are valid for T
Table 26-9.
180
Symbol
V
V
V
V
t
t
Symbol
t
t
AV
V
V
V
V
R
R
C
CMP
AREF
ACK
ADC
OS
AREF
CM
ΔREF
REF
IN
CMI
DI
IN
MUX
S/H
DD
AT89LP6440 - Preliminary
Parameter
Resolution
Absolute Accuracy (including
INL, DNL, quantization error,
gain and offset error)
Integral Non-Linearity (INL)
DIfferential Non-Linearity
(DNL)
Gain Error
Offset Error
Clock Period
Conversion Time
Analog Supply Voltage
Reference Voltage
Single-Ended Input Voltage
Differential Input Common
Mode Voltage
Differential Input Voltage
Analog Input Resistance
Analog Mux Resistance
Sample & Hold Capacitance
Parameter
Common Mode Input Voltage
Input Offset Voltage
Analog Reference Voltage
Reference Delta Voltage
Comparator Propagation Delay
Reference Settling Time
Dual Analog Comparator Characteristics
ADC Characteristics
Condition
External Reference
Internal Reference
A
= -40°C to 85°C and V
Condition
V
V
A
DD
IN+
= -40°C to 85°C and V
= 3.6V
– V
IN-
= 20mV; V
DD
AV
= 2.4V
DD
AV
V
DD
13t
DD
= 2.4 to 3.6V, unless otherwise noted.
DD
DD
GND
Min
500
/2 - V
0.9
/2 - 0.2
0
ACK
- 0.3
= 2.4 to 3.6V, unless otherwise noted.
REF
GND
Min
1.2
70
Typical
3
AV
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
1.0
10
DD
/2
AV
AV
V
Max
200
V
170
DD
14t
1.3
20
DD
DD
2t
±V
DD
AV
Max
/2 + V
1.1
/2 + 0.2
ACK
CLCL
+ 0.3
REF
DD
3706A–MICRO–9/09
+
REF
Units
Units
mV
mV
ns
µs
LSB
LSB
LSB
LSB
LSB
Bits
V
V
pF
ns
ns
V
V
V
V
V
V
Ω
Ω