AT89LP51RC2 Atmel Corporation, AT89LP51RC2 Datasheet - Page 232
AT89LP51RC2
Manufacturer Part Number
AT89LP51RC2
Description
Manufacturer
Atmel Corporation
Specifications of AT89LP51RC2
Flash (kbytes)
32 Kbytes
Max. Operating Frequency
20 MHz
Cpu
8051-1C
Max I/o Pins
42
Spi
1
Twi (i2c)
1
Uart
1
Adc Channels
7
Adc Resolution (bits)
10
Adc Speed (ksps)
153.8
Sram (kbytes)
1.375
Self Program Memory
API
Operating Voltage (vcc)
2.4 to 5.5
Timers
4
Isp
SPI/OCD/UART
Watchdog
Yes
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Table 25-5.
Table 25-6.
Figure 25-10. SPI Master Timing (CPHA = 0)
232
Symbol
t
t
t
Symbol
t
t
t
t
t
t
t
t
t
t
t
t
t
t
SIH
SOH
SOV
CLCL
SCK
SHSL
SLSH
SR
SF
SIS
SIH
SOH
SOV
SOE
SOX
SSE
SSD
AT89LP51RB2/RC2/IC2 Preliminary
SPI Master Characteristics
SPI Slave Characteristics
(CPOL = 0)
(CPOL = 1)
Parameter
Serial Input Hold Time
Serial Output Hold Time
Serial Output Valid Time
Parameter
Oscillator Period
Serial Clock Cycle Time
Clock High Time
Clock Low Time
Rise Time
Fall Time
Serial Input Setup Time
Serial Input Hold Time
Serial Output Hold Time
Serial Output Valid Time
Output Enable Time
Output Disable Time
Slave Enable Lead Time
Slave Disable Lag Time
MISO
MOSI
SCK
SCK
SS
t
t
SHSL
SLSH
t
SCK
t
t
SHSL
SLSH
t
SR
t
SOH
1.5 t
1.5 t
t
SOV
4t
41.6
Min
Min
CLCL
CLCL
10
10
10
10
CLCL
0
- 25
- 25
t
SF
t
SIS
Max
Max
t
10
35
SIH
25
25
10
35
10
25
3722A–MICRO–10/11
Units
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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