Des/3Des Status Register - Samsung S3C2501X User Manual

S3C2501X

8.3.2 DES/3DES STATUS REGISTER

Bit Number
[0] Idle
[3:1] Reserved
[4] Available DESINFIFO
[5] Empty DESINFIFO
[6] Full DESINFIFO
[7] Reserved
[8] Valid DESOUTFIFO
[9] Empty DESOUTFIFO
[10] Full DESOUTFIFO
Table 8-3. DES/3DES Status Register Description
Bit Name
This bit indicates whether DES/3DES is running or not
These bits have 0 value.
DESINFIFO is vacant 4 (or 2, depends on DESCON[7]) words or
more, this bit is set to 1.
DESINFIFO is vacant all.
DESINFIFO has 8 words valid data. CPU can't write in any more.
This bit has 0 value.
DESOUTFIFO has 4(or 2, depends on DESCON[7]) valid words or
more, this bit is set to 1.
DESOUTFIFO is vacant all.
DESOUTFIFO has 8 words valid data. CPU have to read data
immediately.
Description
DES/3DES
8-5