T89C5115-SISIM Atmel, T89C5115-SISIM Datasheet - Page 31

• Manufacturer Part Number: T89C5115-SISIM
• Description: IC 8051 MCU FLASH 16K 28PLCC
• Manufacturer: Atmel
• Series: 89Cr

Specifications of T89C5115-SISIM

• 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: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 28-PLCC
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Registers
4128G–8051–02/08
Table 19. EECON Register
EECON (S:0D2h)
EEPROM Control Register
Reset Value = XXXX XX00b
Not bit addressable
Bit Number
EEPL3
7 - 4
7
3
2
1
0
Mnemonic
EEPL2
EEBUSY
EEPL3-0
6
EEE
Bit
-
-
Description
Programming Launch Command bits
Write 5Xh followed by AXh to EEPL to launch the programming.
Reserved
The value read from this bit is indeterminate. Do not set this bit.
Reserved
The value read from this bit is indeterminate. Do not set this bit.
Enable EEPROM Space bit
Set to map the EEPROM space during MOVX instructions (Write in the column
latches)
Clear to map the XRAM space during MOVX.
Programming Busy Flag
Set by hardware when programming is in progress.
Cleared by hardware when programming is done.
Can not be set or cleared by software.
EEPL1
5
EEPL0
4
3
-
2
-
EEE
1
EEBUSY
0
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