Crc Seed Register - Crcsdr - Holtek HT32F50231 User Manual

32-Bit Arm ® Cortex ® -M0+ MCU
HT32F50231/HT32F50241
Bits Field
[2] DATBIRV
[1:0] POLY
CRC Seed Register – CRCSDR
This register is used to specify the CRC seed.
Offset: 0x004
Reset value: 0x0000_0000
31
Type/Reset WO 0 WO
23
Type/Reset WO 0 WO
15
Type/Reset WO 0 WO
7
Type/Reset WO 0 WO
Bits Field
[31:0] SEED
Rev. 1.00
Descriptions
Bit Reverse operation on Data
0: Disable
1: Enable
CRC polynomial
00: CRC-CCITT (0x1021)
01: CRC-16 (0x8005)
1x: CRC-32 (0x04C11DB7)
30 29 28
0 WO 0 WO
22 21 20
0 WO 0 WO
14 13 12
0 WO 0 WO
6 5 4
0 WO 0 WO
Descriptions
CRC Seed Data
Put the 16/32-bit seed value in this register according to the polynomial setting in
the CRCCR register.
483 of 486
27 26
SEED
0 WO 0 WO 0 WO
19 18
SEED
0 WO 0 WO 0 WO
11 10
SEED
0 WO 0 WO 0 WO
3 2
SEED
0 WO 0 WO 0 WO
25 24
0 WO 0
17 16
0 WO 0
9 8
0 WO 0
1 0
0 WO 0
July 31, 2018