AT89C5132 Atmel Corporation, AT89C5132 Datasheet - Page 20

• 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

Second Request from
Host
Answers from the
Device
Answers from the
Device to a Blank Check
Command
20
AT89C5132
The Host sends a DFU Upload request.
The device send to the Host the firmware from the specified start address to the end address.
The Host controller send a GET_STATUS request to the device. Once internal blank check has
been completed, the device sends its status.
•
•
Command Identifier
Id_display_data
If the device status is “OK”:
the device memory is then blank and the device waits the next Host request.
If the device status is “
the device memory is not blank. The device waits for an DFU_UPLOAD request to send the
first address where the byte is not 0xFF.
OUT
SETUP
IN
IN
IN
03h
data[0]
00h
01h
errCHECK_ERASED
ZLP
DFU_UPLOAD
Firmware Packet 1
Firmware Packet 2
Firmware Packet n
data[1]
start_address
data[2]
”:
data[3]
end_address
data[4]
Display Flash Data
Blank Check in Flash
Description
4256B–USB–03/06