T89C51CC01 Atmel, T89C51CC01 Datasheet - Page 53

• Manufacturer Part Number: T89C51CC01
• Description: Enhanced 8-Bit Microcontroller
• Manufacturer: Atmel

Figure 26. Hardware Boot Process Algorithm
Application
Programming Interface
XROW Bytes
4129K–CAN–01/05
Application
in FM0
ENBOOT = 0
PC = 0000h
Several Application Program Interface (API) calls are available for use by an application
program to permit selective erasing and programming of Flash pages. All calls are made
by functions.
All of these APIs are described in detail in the following documents on the Atmel web
site.
•
•
Table 33. XROW Mapping
Description
Copy of the Manufacturer Code
Copy of the Device ID#1: Family code
Copy of the Device ID#2: Memories size and type
Copy of the Device ID#3: Name and Revision
Datasheet Bootloader CAN T89C51CC01
Datasheet Bootloader UART T89C51CC01
No
Boot Loader
in FM1
condition?
Hardware
BLJB = = 0
Yes
No
RESET
?
ENBOOT = 1
PC = F800h
FCON = F0h
Yes
bit ENBOOT in AUXR1 register
is initialized with BLJB inverted.
(Example, if BLJB=0, ENBOOT is set (=1) during reset,
thus the bootloader is executed after the reset)
ENBOOT = 1
PC = F800h
FCON = 00h
Default Value
58h
D7h
F7h
FFh
T89C51CC01
Address
30h
31h
60h
61h
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