AT89LP6440-20JU Atmel, AT89LP6440-20JU Datasheet - Page 80

• Manufacturer Part Number: AT89LP6440-20JU
• Description: MCU 8051 64K FLASH ISP 44PLCC
• Manufacturer: Atmel
• Series: 89LPr

Specifications of AT89LP6440-20JU

• 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-PLCC
• Processor Series: AT89x
• Core: 8051
• Data Bus Width: 8 bit
• Data Ram Size: 8 KB
• Interface Type: 2-Wire, SPI
• Maximum Clock Frequency: 24 MHz
• Number Of Programmable I/os: 38
• Number Of Timers: 3
• Operating Supply Voltage: 2.7 V to 3.6 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: PK51, CA51, A51, ULINK2
• Development Tools By Supplier: AT89ISP
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10 bit, 8 Channel
• On-chip Dac: 10 bit, 8 Channel
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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