AT89C5132 Atmel Corporation, AT89C5132 Datasheet - Page 136

• 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 20-3. Format and States in the Master Transmitter Mode
136
Successful transmis-
sion to a slave receiver
Next transfer started with
a repeated start condition
Not acknowledge received
after the slave address
Not acknowledge received
after a data Byte
Arbitration lost in slave
address or data Byte
Arbitration lost and
addressed as slave
AT89C5132
From master to slave
From slave to master
08h
S
SLA
W
Data
MT
nnh
A or A
18h
20h
38h
68h
A
A
A
78h B0h
Other master
Other master
A
continues
continues
P
Any number of data Bytes and their associated
acknowledge bits
This number (contained in SSSTA) corresponds
to a defined state of the TWI bus
Data
A or A
28h
30h
38h
A
A
To corresponding
states in slave mode
Other master
10h
continues
P
S
P
SLA
W
4173E–USB–09/07
R
MR