AT83C5135 Atmel Corporation, AT83C5135 Datasheet - Page 28

• Manufacturer Part Number: AT83C5135
• Manufacturer: Atmel Corporation

Specifications of AT83C5135

• Max. Operating Frequency: 32 MHz
• Cpu: 8051-12C
• Max I/o Pins: 34
• Usb Transceiver: 1
• Usb Speed: Full Speed
• Usb Interface: Device
• Spi: 1
• Twi (i2c): 1
• Uart: 1
• Sram (kbytes): 1.25
• Eeprom (bytes): 512
• Operating Voltage (vcc): 2.7 to 3.6
• Timers: 4
• Mask Rom (kbytes): 16
• Watchdog: Yes

9.2.1
28
AT83C5134/35/36
Program ROM lock Bits
The lock bits when programmed according to Table 9-2 will provide different level of protection
for the on-chip code and data.
Table 9-2.
U: unprogrammed
P: programmed
Security
level
1
3
Program Lock Bits
LB1
U
P
Program Lock bits
LB0
U
U
Protection Description
No program lock feature enabled.
Reading ROM data from programmer is disabled.
7683C–USB–11/07