AT89C5115-RATUM Atmel, AT89C5115-RATUM Datasheet - Page 48
AT89C5115-RATUM
Manufacturer Part Number
AT89C5115-RATUM
Description
IC 8051 MCU FLASH 16K 32VQFP
Manufacturer
Atmel
Series
89Cr
Datasheet
1.T89C5115-RATIM.pdf
(113 pages)
Specifications of AT89C5115-RATUM
Core Processor
8051
Core Size
8-Bit
Speed
40MHz
Connectivity
UART/USART
Peripherals
POR, PWM, WDT
Number Of I /o
20
Program Memory Size
16KB (16K x 8)
Program Memory Type
FLASH
Eeprom Size
2K x 8
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
32-TQFP, 32-VQFP
Processor Series
AT89x
Core
8051
Data Bus Width
8 bit
Data Ram Size
512 B
Interface Type
UART
Maximum Clock Frequency
40 MHz
Number Of Programmable I/os
20
Number Of Timers
2
Operating Supply Voltage
3 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
PK51, CA51, A51, ULINK2
Development Tools By Supplier
CANADAPT28
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 8 Channel
Package
32VQFP
Device Core
8051
Family Name
89C
Maximum Speed
40 MHz
For Use With
AT89OCD-01 - USB EMULATOR FOR AT8XC51 MCU
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Hardware Security Byte
48
AT89C5115
Table 31. Hardware Security byte
After erasing the chip in parallel mode, the default value is : FFh
The erasing in ISP mode (from bootloader) does not modify this byte.
Notes:
Number
X2B
5 - 3
2 - 0
Bit
7
7
6
1. Only the 4 MSB bits can be accessed by software.
2. The 4 LSB bits can only be accessed by parallel mode.
Mnemonic Description
BLJB
LB2:0
BLJB
X2B
Bit
6
-
X2 bit
Set this bit to start in standard mode
Clear this bit to start in X2 Mode.
Boot Loader Jump bit
- 1: To start the user’s application on next RESET (@0000h) located in FM0,
- 0: To start the boot loader(@F800h) located in FM1.
Reserved
The value read from these bits are indeterminate.
Lock bits (see Table 22)
5
-
4
-
3
-
LB2
2
LB1
1
4128G–8051–02/08
LB0
0