AT89C5132 Atmel Corporation, AT89C5132 Datasheet - Page 137

• Manufacturer Part Number: AT89C5132
• Manufacturer: Atmel Corporation

Specifications of AT89C5132

• Flash (kbytes): 64 Kbytes
• Max. Operating Frequency: 20 MHz
• Cpu: 8051-12C
• Max I/o Pins: 44
• Usb Transceiver: 1
• Usb Speed: Full Speed
• Usb Interface: Device
• Spi: 1
• Uart: 1
• Adc Channels: 2
• Adc Resolution (bits): 10
• Adc Speed (ksps): 22.7
• Sram (kbytes): 2.25
• Self Program Memory: API
• Operating Voltage (vcc): 2.7 to 3.6
• Timers: 2
• Isp: UART/USB
• Watchdog: Yes

Figure 20-4. Format and States in the Master Receiver Mode
4173E–USB–09/07
Successful reception
from a slave transmitter
Next transfer started with
a repeated start condition
Not acknowledge received
after the slave address
Arbitration lost in slave
address or data Byte
Arbitration lost and
addressed as slave
From master to slave
From slave to master
08h
S
SLA
R
MR
A or A
Data
40h
48h
38h
68h
A
A
A
nnh
78h B0h
Other master
Other master
continues
continues
P
Data
A
Any number of data Bytes and their associated
acknowledge bits
This number (contained in SSSTA) corresponds
to a defined state of the TWI bus
50h
A
Data
To corresponding
states in slave mode
58h
38h
A
A
Other master
10h
continues
P
S
SLA
AT89C5132
W
R
MT
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