SAA7390GP Philips Semiconductors, SAA7390GP Datasheet - Page 48

• Manufacturer Part Number: SAA7390GP
• Description: High performance Compact Disc-Recordable CD-R controller
• Manufacturer: Philips Semiconductors

Philips Semiconductors
12 FRAME BUFFER ORGANIZATION
The break-down of the 3 kbytes frame buffer is described in this section.
Table 75 Frame buffer organization
Table 76 ECC RAM organization
1996 Jul 02
High performance Compact
Disc-Recordable (CD-R) controller
START
2064
2068
2076
2248
2352
2368
2464
2758
2762
2934
3038
DEC
000
204
208
340
344
564
568
572
576
580
584
588
12
16
0
DECIMAL
2063
2067
2075
2247
2351
2367
2463
2757
2761
2933
3037
3038
END
11
15
HEX
0CC
0D0
23C
000
154
158
234
238
240
244
248
588
2048
LEN
172
104
294
172
104
12
16
96
4
4
8
4
1
ecc_reg[03]
ecc_reg[07]
ecc_reg[11]
psyn[00].s1
psyn[51].s1
psyn[52].s1
psyn[85].s1
crc_rem[3]
flags[071]
flags[291]
unused[1]
header[3]
3
START
ACA
BDE
AC6
00C
81C
8C8
9A0
B76
000
010
810
814
930
940
HEXADECIMAL
ecc_reg[02]
ecc_reg[06]
ecc_reg[10]
psyn[00].s0
psyn[51].s0
psyn[52].s0
psyn[85].s0
crc_rem[2]
flage[070]
flage[290]
unused[0]
48
header[2]
END
BDD
BDE
AC5
AC9
00B
81B
8C7
B75
00F
80F
813
92F
93F
99F
2
BYTE NUMBER
LEN
0AC
0AC
00C
004
800
004
008
068
010
060
126
004
068
001
ecc_reg[01]
ecc_reg[05]
ecc_reg[09]
qsyn[00].s1
qsyn[51].s1
crc_rem[1]
flags[001]
flags[067]
flags[069]
flags[289]
flags[293]
header[1]
1
synchronization field
header
frame data
CRC parity
padding
P parity
Q parity
Q channel
sub-channel
error flags
CRC remainder
P syndromes
Q syndromes
status
Preliminary specification
DATA
ecc_reg[00]
ecc_reg[04]
ecc_reg[08]
SAA7390
qsyn[00].s0
qsyn[51].s0
crc_rem[0]
flags[000]
flags[066]
flags[068]
flags[288]
flags[292]
header[0]
0