T89C5115-RATIM Atmel, T89C5115-RATIM Datasheet - Page 42

• Manufacturer Part Number: T89C5115-RATIM
• Description: IC 8051 MCU FLASH 16K 32VQFP
• Manufacturer: Atmel
• Series: 89Cr

Specifications of T89C5115-RATIM

• 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: 32-TQFP, 32-VQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: T89C5115-RASIM; T89C5115-RASIM

Operation Cross Memory Access
Table 25. Cross Memory Access
Note:
42
boot FLASH
FM0
1. RWW: Read While Write
AT89C5115
Action
Read
Write
Read
Write
RAM
Space addressable in read and write are:
•
•
•
•
•
•
•
•
The table below provides the different kind of memory which can be accessed from dif-
ferent code location.
ERAM
RAM
ERAM (Expanded RAM access by movx)
EEPROM DATA
FM0 ( user flash )
Hardware byte
XROW
Boot Flash
Flash Column latch
Boot FLASH
OK)
OK
-
-
OK (idle)
FM0
OK
OK
OK
(1)
E² Data
OK
OK
OK
OK
(1)
(1)
Hardware
Byte
OK
OK
OK
-
(1)
4128G–8051–02/08
XROW
OK
OK
-
-
(1)