AT89LP428-20PU Atmel, AT89LP428-20PU Datasheet - Page 134
AT89LP428-20PU
Manufacturer Part Number
AT89LP428-20PU
Description
MCU 8051 4K FLASH SPI 28PDIP
Manufacturer
Atmel
Series
89LPr
Datasheet
1.AT89LP428-20AU.pdf
(149 pages)
Specifications of AT89LP428-20PU
Core Processor
8051
Core Size
8-Bit
Speed
20MHz
Connectivity
SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
30
Program Memory Size
4KB (4K x 8)
Program Memory Type
FLASH
Eeprom Size
512 x 8
Ram Size
768 x 8
Voltage - Supply (vcc/vdd)
2.4 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
28-DIP (0.300", 7.62mm)
Processor Series
AT89x
Core
8051
3rd Party Development Tools
PK51, CA51, A51, ULINK2
Development Tools By Supplier
AT89ISP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Data Converters
-
Lead Free Status / Rohs Status
Details
- Current page: 134 of 149
- Download datasheet (5Mb)
Figure 24-10. SPI Master Timing (CPHA = 0)
Figure 24-11. SPI Slave Timing (CPHA = 0)
Figure 24-12. SPI Master Timing (CPHA = 1)
134
AT89LP428/828
(CPOL = 0)
(CPOL= 1)
(CPOL = 0)
(CPOL = 1)
(CPOL = 0)
(CPOL = 1)
MISO
MOSI
MISO
MOSI
SCK
SCK
MISO
MOSI
SCK
SCK
SCK
SCK
SS
SS
SS
t
SSE
t
SOE
t
t
t
SHSL
SLSH
t
SHSL
SLSH
t
SCK
t
SCK
t
t
t
t
SHSL
t
SLSH
SHSL
SLSH
SR
t
SR
t
SOH
t
SOV
t
SF
t
SOH
t
SOV
t
SOV
t
t
SF
SF
t
SIS
t
t
SIS
SR
t
SIH
t
SIH
t
SSD
t
SOX
3654A–MICRO–8/09
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