TX4939XBG-400 Toshiba, TX4939XBG-400 Datasheet - Page 698

• Manufacturer Part Number: TX4939XBG-400
• Manufacturer: Toshiba

Specifications of TX4939XBG-400

• Cpu Core: TX49/H4 90nm
• Clock Mhz/max Mips: 400/520
• Inst./data Cache: 32KB (4 Way)/32KB (4 Way)
• Tlb: x
• 1cycle Mac: x
• Volts (v): 1.25/2.5/3.3
• Peripherals: DDR, NAND, ATA, ETHERNET, SECURITY, FPU, MMU, SPI, I2S, I2C, PCI, VIDEO, UART, TIMER, RTC
• Companion Chip: TC86C001FG
• Package: PGBA456

CRYPT
26.2.2.13. AES Context Data Register Format
26.2.2.14. MD5/SHA1 Context Data Register Format
Rev. 3.1 November 1, 2005
Offset
30h
38h
40h
48h
50h
58h
60h
68h
70h
Offset
30h
38h
40h
48h
50h
58h
60h
68h
70h
Note: 128bit Cipher Key = {aes_key3u[31:0], aes_key2[31:0], aes_key1[31:0], aes_key0l[31:0]}
Width
[31:0]
[31:0]
[31:0]
[31:0]
[31:0]
[31:0]
[31:0]
[31:0]
[31:0]
Width
[31:0]
[31:0]
[31:0]
[31:0]
[31:0]
[31:0]
[31:0]
[31:0]
[31:0]
Name
Hash_lbcnt
Hash_ubcnt
Ini_val_a
Ini_val_b
Ini_val_c
Ini_val_d
Ini_val_e
---
Ctrl
Name
aes_key0l
aes_key1
aes_key2
aes_key3u
aes_idat0
aes_idat1
aes_idat2
aes_idat3
aes_ctrl
Table 26-13 MD5/SHA1 Context Data Register Format
Table 26-12 AES Context Data Register Format
Description
Hash lower bit count
Bit[2:0] are fixed to “0”
Hash upper
Initial Value A
Initial Value B
Initial Value C
Initial Value D
Initial Value E
Reserved.
MD5/SHA1 Control register
[1:0]
[31:2]
Description
Key 0 register (Lower key)
Key 1 register
Key 2 register
Key 3 register (Upper key)
AES initial data 0 (Lower data)
AES initial data 1
AES initial data 2
AES initial data 3 (Upper data)
AES Control register
[1:0]
[3:2]
[4]
[5]
[6]
[7]
[31:8]
Engine select (0: DES, 1 :AES, 2: MD5, 3: SHA1)
Reserved
Engine select (0: DES, 1 :AES, 2: MD5, 3: SHA1)
Reserved
Reserved.
CMS
DMS
Update key option
reserved.
Once this bit set, the first decrypt data will be save back
to aes_key
26-8
bit count
( 1:
( 1:
(1: Update
Calculate_data[31:0]
Calculate_data[63:32]
Calculate_data[95:64]
Calculate_data[127:96]
CBC mode,
Decrypt,
0:
0: Encrypt)
ECB mode)
Toshiba RISC Processor
0: no update)
aes_key0l
aes_key1
aes_key2
aes_key3u
TX4939
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26