AT89LP6440-20AU Atmel, AT89LP6440-20AU Datasheet - Page 80
AT89LP6440-20AU
Manufacturer Part Number
AT89LP6440-20AU
Description
MCU 8051 64K FLASH ISP 44TQFP
Manufacturer
Atmel
Series
89LPr
Specifications of AT89LP6440-20AU
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
44-TQFP, 44-VQFP
Package
44TQFP
Device Core
8051
Family Name
89LP
Maximum Speed
20 MHz
Operating Supply Voltage
2.5|3.3 V
Data Bus Width
8 Bit
Number Of Programmable I/os
38
Interface Type
2-Wire/SPI
On-chip Dac
8-chx10-bit
Number Of Timers
3
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT89LP6440-20AU
Manufacturer:
Cirrus
Quantity:
89
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Figure 13-12. Multi-Phasic PWM Output Stage
Figure 13-13. Three-Phase Mode with Channel B Disabled
80
AT89LP6440 - Preliminary
1
0
1
1
PHS = 001B
PHSD
CCA
CCB
CCC
EN
EN
EN
EN
Table 13-6.
CCA
CCB
CCC
CCD
PHS
000
001
010
011
100
2-0
Mode
1
0
0
1
Off
1:2
1:3
1:4
2:4
Summary of Multi-Phasic Modes
PHS = 010B
EN
EN
EN
EN
A
→ → → → → → →
B
A
PHS = 010B, CCB disabled
CCA
CCB
CCC
CCD
→ → → → →
C
C
B
A
A
PHSD = 0
→ → →
→ → →
→ → →
Normal Operation (all channels active at all times)
C
D
D
B
B
A
A
A
C
A
1
0
0
0
PHS = 011B
B
B
B
B
D
EN
EN
EN
EN
C
C
D
Behavior
CCA
CCB
CCC
CCD
D
→ → → → → → →
1
0
1
0
C
C
→ → → → →
PHS = 100B
D
B
B
B
B
PHSD = 1
→ → →
→ → →
→ → →
EN
EN
EN
EN
C
A
A
A
A
B
C
D
B
D
3706A–MICRO–9/09
A
A
B
C
C
CCA
CCB
CCC
CCD
A
B
A
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