T89C5115-TISUM Atmel, T89C5115-TISUM Datasheet - Page 45
![IC 8051 MCU FLASH 16K 28SOIC](/photos/6/82/68295/453-28-soic_sml.jpg)
T89C5115-TISUM
Manufacturer Part Number
T89C5115-TISUM
Description
IC 8051 MCU FLASH 16K 28SOIC
Manufacturer
Atmel
Series
89Cr
Datasheet
1.T89C5115-RATIM.pdf
(113 pages)
Specifications of T89C5115-TISUM
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-SOIC (7.5mm Width)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
89C5115-TISUM
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In-System
Programming (ISP)
Flash Programming and
Erasure
4128G–8051–02/08
With the implementation of the User Space (FM0) and the Boot Space (FM1) in Flash
technology the T89C5115 allows the system engineer the development of applications
with a very high level of flexibility. This flexibility is based on the possibility to alter the
customer program at any stages of a product’s life:
•
•
Note:
This ISP allows code modification over the total lifetime of the product.
Besides the default Bootloaders Atmel provide customers all the needed Application-
Programming-Interfaces (API) which are needed for the ISP. The API are located in the
Boot memory.
This allow the customer to have a full use of the 16-Kbyte user memory.
There are three methods for programming the Flash memory:
•
•
•
Figure 18. Flash Memory Mapping
Before mounting the chip on the PCB, FM0 flash can be programmed with the
application code. FM1 is always preprogrammed by Atmel with a bootloader (UART
bootloader).
Once the chip is mounted on the PCB, it can be programmed by serial mode via the
UART.
The Atmel bootloader located in FM1 is activated by the application. Low level API
routines (located in FM1)will be used to program FM0. The interface used for serial
downloading to FM0 is the UART. API can be called also by user’s bootloader
located in FM0 at [SBV]00h.
A further method exist in activating the Atmel boot loader by hardware activation.
See the Section “Hardware Security Byte”.
The FM0 can be programmed also by the parallel mode using a programmer.
[SBV]00h
1. The user can also program his own bootloader in FM1.
3FFFh
0000h
(1)
Flash Memory
16K Bytes
Custom
Bootloader
FM0
F800h
FM1 Mapped between F800h and FFFFh
when API Called
2K Bytes IAP
Bootloader
FM1
FFFFh
45
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