
Message Digest Hardware Accelerator (MDHA)
33-6
Freescale Semiconductor
33.2.2
MDHA Control Register (MDCR)
The MDCR contains bits that should be set following a hardware reset.
SSL=1
ALG=0
(SHA-1)
SSL MAC is only functional for the MD5 algorithm.
SWAP=1
ALG=1
(MD5)
The SWAP bit is designed to support a particular function for the
SHA-1 algorithm and is invalid for MD5.
Address: 0xEC08_0004 (MDCR)
Access: User read/write
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10
9
8
7
6
5
4
3
2
1
0
R 0 0 0 0 0 0 0 0 0 0 0
DMAL
0 0 0 0 0 0 0 0 0 0 0 0 0
END DMA
IE
W
Reset 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0
0
0
Figure 33-3. MDHA Control Register (MDCR)
Table 33-4. MDCR Field Descriptions
Field
Description
31–21
Reserved, should be cleared.
20–16
DMAL
DMA request level. Represents the minimum number of words available in the FIFO between DMA requests. For
example: When DMAL is programmed to 5 longwords, the DMA request signal is not asserted until there is space in
the input FIFO for 5 longwords. This value must be 16 longwords or less.
00001–10000 = 1–16 words
All others reserved.
15–3
Reserved, should be cleared.
2
END
Endian select
0 Little endian mode
1 Big endian mode
1
DMA
DMA enable. Enables/disables DMA requests from the MDHA module.
0 Disable DMA requests
1 Enable DMA requests
0
IE
Interrupt enable. Enables/disables interrupts from the MDHA module.
0 Disable interrupts
1 Enable interrupts
Table 33-3. Invalid MDMR Bit Settings
MDMR bit settings
Comments
MCF5329 Reference Manual, Rev 3
Summary of Contents for MCF5329
Page 106: ...ColdFire Core 3 32 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Page 148: ...Cache 5 22 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Page 154: ...Static RAM SRAM 6 6 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Page 184: ...Power Management 8 18 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Page 204: ...Reset Controller Module 10 8 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Page 220: ...System Control Module SCM 11 16 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Page 228: ...Crossbar Switch XBS 12 8 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Page 268: ...General Purpose I O Module 13 40 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Page 392: ...SDRAM Controller SDRAMC 18 30 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Page 436: ...Fast Ethernet Controller FEC 19 44 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Page 594: ...FlexCAN 23 30 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Page 678: ...Pulse Width Modulation PWM Module 26 22 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Page 684: ...Watchdog Timer Module 27 6 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Page 704: ...DMA Timers DTIM0 DTIM3 29 12 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Page 754: ...UART Modules 31 34 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Page 770: ...I2 C Interface 32 16 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Page 866: ...Debug Module 36 50 Freescale Semiconductor MCF5329 Reference Manual Rev 3...