Document
IMIN PREL
ARY
MITSUBISHI ICs (LSI)
. ication hange. c l specif t a fina re subject to o n is a its :This Notice arametric lim p Some
M64403FP
ERROR CORRECTION WITH VARIABLE LENGTH AND DISTANCE
DESCRIPTION
The M64403FP performs the decoding for RS (Reed Solomon) code which primitive polynomial:P (X)=X8+X4+X3+X2+1 and its generation polynomial:G (X)=Π (X-αj). M64403FP can set the code length and check byte length, so it is able to be adopted to various systems.
j=0 d-2
APPLICATION
DVD player, DVD-ROM (DVD:Digital Video Disc), DBS (Direct Broadcasting by Satellite), High density floppy disk, Hard disk, CATV (Cable TV), MD (Mini Disc), DVC (Digital Video Cassette), DAT (Digital Audio Cassette), DCC (DIgital Compact Cassette), DVB (Digital Video Broadcast), CD-DA (Compact Disc-Digital Audio), CD-ROM (Compact Disc-Read Only Memory), other communication systems and storage media etc.
FEATURES
It adopts three stages pipe line operation (Syndrome stage, Euclidean stage, Chen search & error value stage), so it realizes high speed error correction operation. Capable of erasure correcting function and it improves error correction performance. • Where error counts (e), erasure counts (ε) and design distance (d) have followed restriction. 2e + ε < d Capable of parameter register programing. (1) Four kinds of code parameter which code length and check byte length are programmable. (Good for the product code that has plural code parameters.) • Where, maximum code length (L) are 255 bytes and maximum check byte length (d-1) are 16 bytes. (2) Programmable for erasure threshold. (3) Programmable for four kinds of decoding mode.
PIN CONFIGURATION (TOP VIEW)
58 ORDY 59 OUTR 51 CRDY 50 CRDF 49 CORF 48 TES2 47 ERAF 46 TES7 45 VDDO 44 OMD0 43 OMD1 42 OMD2 41 CLKM 40 VSSO 39 RES 38 VDDO 37 ARM0 36 ARM1 35 ARM2 34 ARM3 33 DAI0 32 DAI1 31 DAI2 56 EROV 68 ENM4 67 ENM3 66 ENM2 65 ENM1 64 ENM0 62 SYCR 63 UNCF 77 DAO7 76 DAO6 75 DAO5 74 DAO4 73 DAO3 72 DAO2 71 DAO1 69 DAO0 60 SBFB 78 ELO0 55 TES3 54 TES1 57 IRDY 79 VDDO 61 VDDO
70 VSSO
53 VSSO
ELO1 ELO2 ELO3 ELO4 ELO5 ELO6 ELO7 VSSO DAM0 DAM1 DAM2 DAM3 DAM4 DAM5 DAM6 DAM7 VDDO OTRG EREN ADDC
81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99
100
M64403FP
TESTE 20
TESM 21
CLKI 22
VSSO 23
DAI7 24
DAI6 25
DAI5 26
DAI4 27
VSSI 28
VDDI 29
52 VDDI
80 VSSI
READ 10
CSEL 11
PWDN 12
REST 13
DHEF 14
CLKO 15
DOEN 17
CLKE 18
NOEN 3
MOD2 6
MOD1 7
MOD0 8
WRTE 9
Outline 100P6S-C
ERMF 19
VDDO 2
LOEN 4
DIEN 5
DAI3 30
VSSO 1
RES 16
IMIN PREL
ARY
MITSUBISHI ICs (LSI)
. ication hange. c l specif t a fina re subject to o n is a its :This Notice arametric lim p Some
M64403FP
ERROR CORRECTION WITH VARIABLE LENGTH AND DISTANCE
BLOCK DIAGRAM
IRDY MOD0 – 2 DIEN DHEF DAI0 – 7 EREN INPUT I/F SYNDROME CIRCUIT
REST CLKI CLKM CLKE CLKO PWDN
ARM0 – 3 MICRO COMPUTER I/F CSEL WRTE READ DAM0 – 7
EUCLIDEAN CIRCUIT
OTRG ADDC OUTR DAO0 – 7 DOEN ELO0 – 7 LOEN ENM0 – 4 NOEN ERMF OMD0 – 2 CRDY ORDY CRDF OUTPUT I/F CHEN SEARCH & ERROR VALUE CIRCUIT CONTROL CIRCUIT
SYCR ERAF TESTE TESM UNCF CORF EROV SBFB
IMIN PREL
ARY
MITSUBISHI ICs (LSI)
. ication hange. c l specif t a fina re subject to o n is a its :This Notice arametric lim p Some
M64403FP
ERROR CORRECTION WITH VARIABLE LENGTH AND DISTANCE
ABSOLUTE MAXIMUM RATINGS
Symbol VDD VI VO IIK IOK IO IDD ISS Tstg PdOUT Parameter Supply voltage Input voltage Output voltage Input protection diode current Output parasitic diode current Output current VDD supply current VSS supply current Storage temperature Output Output buffer@IOL=4mA load Output buffer@IOL=1mA Ratings Min. Max +6.5 -0.3 -0.3 VDD+0.3 -0.3 VDD+0.3 ±20 ±20
IOL=20 IOH=-26
Unit V V V mA mA mA mA mA ˚C
MHz•pF
-55
81 81 150 2200 760
RECOMMENDED OPERATING CONDITION
Symbol VDD Ta VI tr, tf Parameter Supply voltage Operating temperature Input voltage Input rise & fall time Normal input Schmit input Min. 4.75 -20 0 Limits Typ. 5.0 +25 Max. 5.25 +70 VDD 500 5 Unit V ˚C V nsec msec
ELECTRICAL CHARACTERISTICS
Symbol VIL VIH VTVT+ VH VOL VOH IOL Output current IOH IIL IIH IOZL IOZH RD CI CO CIO IDD Input current Output leak current Pull down resistance Input terminal capacitance Output terminal capacitance I/O terminal capacitance Supply current VDD=4.5V, VOH=4.1V VDD5=5.5V, VDD5=5.5V, VDD5=5.5V, VDD5=5.5V, VDD5=5.0V, VI=0V VI=5.5V VI=0V VI=5.5V VI=5.0V -1 -1 -1 -1 3 7 7 7 Input voltage (TTL interface) Schmitt input voltage (TTL interface) Output voltage Parameter VDD=5.0V VDD=5.0V VDD=5.0V VDD=5.0V, IO <1µA VDD=4.5V, VOL=0.4V Test conditions Min. 0 2.2 0.7 1.4 0.3 4.95 4 (∗1) 1 (∗2) -4 (∗3) -1 (∗4) +1 +1 +1 +1 16 15 15 15 2 Limits Typ. Max. 0.8 5.25 1.35 2.2 1.2 0.05 Unit V V V V V V V mA mA mA mA µA µA µA µA kΩ pF pF pF mA
f=1MHz, VDD=0V VDD5=5.0V, VI=5.0V
(∗ 1) : Rating for 4mA output buffer (∗ 2) : Rating for 1mA output buffer
IMIN PREL
ARY
MITSUBISHI ICs (LSI)
. ication hange. c l specif t a fina re subject to o n is a its :This Notice arametric.