AT89LP4052 Atmel Corporation, AT89LP4052 Datasheet - Page 35

• Manufacturer Part Number: AT89LP4052
• Manufacturer: Atmel Corporation

Specifications of AT89LP4052

• Flash (kbytes): 4 Kbytes
• Max. Operating Frequency: 20 MHz
• Cpu: 8051-1C
• Max I/o Pins: 15
• Spi: 1
• Uart: 1
• Sram (kbytes): 0.25
• Operating Voltage (vcc): 2.4 to 5.5
• Timers: 2
• Isp: SPI
• Watchdog: Yes

Figure 18-1. Serial Port Mode 0
3547J–MICRO–10/09
SEND
SHIFT
RXD
TXD
TI
RI
RECEIVE
SHIFT
RXD
TXD
(SHIFT CLOCK)
(SHIFT CLOCK)
(DATA OUT)
(DATA IN)
WRITE TO SBUF
WRITE TO SCON (CLEAR RI)
1/2 f
osc
“1“
INTERNAL BUS
INTERNAL BUS
AT89LP2052/LP4052
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