C8051F989-GUR Silicon Labs, C8051F989-GUR Datasheet - Page 176
C8051F989-GUR
Manufacturer Part Number
C8051F989-GUR
Description
8-bit Microcontrollers - MCU 4kB 512B RAM
Manufacturer
Silicon Labs
Datasheet
1.C8051F986-GUR.pdf
(322 pages)
Specifications of C8051F989-GUR
Rohs
yes
Core
8051
Data Bus Width
8 bit
Processor Series
C8051
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- Download datasheet (2Mb)
C8051F99x-C8051F98x
SFR Definition 16.5. CRC0CNT: CRC0 Automatic Flash Sector Count
SFR Page = All; SFR Address = 0x9A
176
Name
Reset
Bit
7:5
4:0 CRC0CNT[4:0] Automatic CRC Calculation Block Count.
Type
Bit
Unused
Name
7
0
Read = 00b; Write = Don’t Care.
These bits specify the number of Flash blocks to include in an automatic CRC cal-
culation. The last address of the last Flash block included in the automatic CRC
calculation is (CRC0ST+CRC0CNT) x Block Size - 1.
Notes:
6
0
1. The block size is 256 bytes.
2. The maximum number of blocks that may be computed in a single operation is 31.
To compute a CRC on all 32 blocks, perform one operation on 31 blocks, then
perform a second operation on 1 block without clearing the CRC result.
5
0
Rev. 1.1
4
0
Function
3
0
CRC0CNT[4:0]
R/W
2
0
1
0
0
0
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