MB86434 Datasheet, PDF (6/38 Pages) Fujitsu Component Limited. – 5V Single Power Supply Audio Interface Unit (AIU)

MB86434
s BLOCK DIAGRAM
SGO (59) SGC (3) VRH (2) BTPO (64) BTPI (63) BBO (60)
DOUT
(10)
SYNC
(7)
CLK
(8)
DIN
(9)
PTBO
(50)
OP1
(48)
IM1
(49)
OP2
(46)
IM2
(47)
BTO
(45)
IM3
(44)
BBI
(43)
TONEO
(31)
TCLK
(24)
TONC
(25)
VDDAB
VDDAC
VDDSP1
VDDSP2
VDD
SPG1
SPG2
CAG
BAG
DG
VREF
generator
VREF generator block
BPF
SGC
A/D
Codec block
PLL
0 dB (TYP)
D/A
512K
–7.5 to 8dB
EV1 0.5dB step
LPF
5bit
0 dB (TYP) 0 dB
EV0
5bit
SGC
–7.5 to 8dB
0.5dB step
Sending block
SW3
Microphone amp Œ
SW4
Microphone amp 
SW11
SW10
SGC
–
+ _AMP1
SGC
–
+
AMP2
SGC
AMP3
–
+
1/2 cycle
1/4 cycle
TONC
0 dB (TYP)
–16 to 12dB
EV2 4.0dB step
3bit
Accessory block
SW14
Receiving block
1/N cycle
TONC
TONE Œ
generator
1/N cycle
TONC
TONE 
generator
SW2
0 dB (TYP)
EV3
+
Single-10dB v ^5bit
dual -10dB v
–7.5 to 8dB
0.5dB step
TONE generator
SW12
0 dB
SW8
PD
–
+
SGC
0 dB
SW6
–
+
PD
0 dB
PD
–
+
SGC
Receiver speaker drive block
0 dB
–6dB
SW7
–
+ _PD
Earphone speaker drive block
Tone generator block
SGC
SW9
–
+ _PD
0 dB
DATA LATCH
P SAVE
Control block
– ^PD
+
SGC
Tone speaker drive block
MICO
(58)
MIC
(57)
XMIC
(56)
JMICO
(55)
JMIC
(54)
XJMIC
(53)
SWI
(29)
SWO
(28)
TENV
(27)
DSDT
(30)
RAUD
(32)
EAR
(36)
XEAR
(35)
JEAR
(34)
IMTON
(41)
TONE
(40)
XTONE
(39)
: Digital input
SRD SRC STB XPRST LO0 LO1 LO2 LO3
(16) (17) (18) (19) (20) (21) (22) (23)
PSC0 PSC1 PSC2 LED
(13) (14) (15) (26)
: Digital output
: Analog input
: Analog output
: Input/output
: VDD
: GND
6