ata6603 ATMEL Corporation, ata6603 Datasheet - Page 297

• Manufacturer Part Number: ata6603
• Description: Microcontroller With Lin Transceiver, 5v Regulator And Watchdog
• Manufacturer: ATMEL Corporation

4.23.7.14
4921D–AUTO–08/07
ATA6603 Boot Loader Parameters
In
ming are given.
Table 4-110. Boot Size Configuration, ATA6603
Note:
Table 4-111. Read-While-Write Limit, ATA6603
For details about these two section, see
and
Table 4-112. Explanation of Different Variables used in
Note:
BOOTSZ1
Section
Read-While-Write section (RWW)
No Read-While-Write section (NRWW)
Variable
PCMSB
PAGEMSB
ZPCMSB
ZPAGEMSB
PCPAGE
PCWORD
Table 4-110
“RWW – Read-While-Write Section” on page
1
1
0
0
The different BOOTSZ Fuse configurations are shown in
1. Z15:Z14: always ignored
Z0: should be zero for all SPM commands, byte select for the LPM instruction.
See
Z-pointer during Self-Programming.
BOOTSZ0
Mapping to the Z-pointer, ATA6603
through
“Addressing the Flash During Self-Programming” on page 289
PC[12:6]
PC[5:0]
1
0
1
0
12
5
Table
Boot
Size
128
words
256
words
512
words
1024
words
Corresponding
4-112, the parameters used in the description of the self program-
Z-value
Pages
Z13:Z7
Z6:Z1
Z13
Z6
16
2
4
8
(1)
“NRWW – No Read-While-Write Section” on page 283
Application
Flash
Section
0x0000 -
0x1F7F
0x0000 -
0x1EFF
0x0000 -
0x1DFF
0x0000 -
0x1BFF
Description
Most significant bit in the Program Counter. (The
Program Counter is 12 bits PC[11:0])
Most significant bit which is used to address the
words within one page (64 words in a page
requires 6 bits PC [5:0])
Bit in Z-register that is mapped to PCMSB. Because
Z0 is not used, the ZPCMSB equals PCMSB + 1.
Bit in Z-register that is mapped to PAGEMSB. Because
Z0 is not used, the ZPAGEMSB equals PAGEMSB + 1.
Program counter page address: Page select, for page
erase and page write
Program counter word address: Word select, for filling
temporary buffer (must be zero during page write
operation)
283.
Boot
Loader
Flash
Section
0x1F80 -
0x1FFF
0x1F00 -
0x1FFF
0x1E00 -
0x1FFF
0x1C00 -
0x1FFF
Figure 4-116 on page 289
Figure 4-115 on page
ATA6602/ATA6603
Pages
112
16
End
Application
Section
0x1F7F
0x1EFF
0x1DFF
0x1BFF
Address
0x0000 - 0x1BFF
0x1C00 - 0x1FFF
for details about the use of
285.
Boot Reset
Address (Start
Boot Loader
Section)
0x1F80
0x1F00
0x1E00
0x1C00
and the
297