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A7 DBMIC BASEBAND GENERATOR BLOCK DIAGRAM (OPTIONS UN8 and UN9)
A7 DBMIC BASEBAND GENERATOR BLOCK DIAGRAM (OPTIONS UN8 and UN9)
sk758b
PLL CLK
PLL LOCK SIG
PLL REF
GENERATOR INTERFACE
REF
MASTER CLOCK PLL
60 T O 120 MHz
MASTER CLOCK
30 T O
60 MHz
VCO
ENABLE
REFERENCE
REF SELECT
&
DIVIDE
10 MHz DIG
P1-84
FROM MOTHERBOARD
/CPU
13 MHz
J3
P403
F
PLL
DIVIDERS
VCO
ABUS
PLL T UNE
PLL_T UNE
DIG_BUS_INT
(PLL UNLOCKED)
LOOP FILTER
&
LEAD/LAG
BURST_GATE LINT_CLK_EN
ADJ_TS LEXT_CLK_EN
EXT_DATA LBBG_EN
10
8
6
EXT_SYNC
EXT_CLK
14
12
BBG_INT_CLK
BBG_EN
20
18
DATA
BBG_TRIG_INT
SYNC
CLK
ALT_PWR_IN
PATTERN_TRG
I_DIRECT
Q_DIRECT
P3-12
P3-14
P3-18
P3-20
P3-6
P3-8
P3-10
P1-49
P1-85
P1-35
P1-100
P1-50
P2-6
P2-4
P10-8,9,
10,11,12,
13,14,15
P6-12,13,
14,15,16,
17,18,19
PLL_CLOCK
BURST_GATE
ADJ_TS_PWR_IN
L_BURST
ABUS
LCLK
RC TIME
CONSTANT
BUFFERED_DATA_IN
SYMBOL_SYNC
ABUS
DATA
RC TIME
CONSTANT
P2-2
2
16
BBG_BIT_CLK
P3-16
EXT_BURST
EEPROM
DATA
LATCHED
ADDRESS
LATCHED
DATA
CONTROL
LOGIC
DIGITAL INTERFACE
IAB3
P1-26
P1-33
EXT SELECT
L EXT STROBE
P1-82
P1-83
EXT RD L WR
EXT RESET
P1-32
P1-24
IAB0
IAB1
P1-74
P1-25
IAB2
P1-76
IAB4
IAB5
P1-27
P1-77
IAB6
IAB7
P1-78
P1-29
IAB8
IAB9
P1-79
P1-36
IAB10
READ/LWRITE
STROBE
SELECT
RESET
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
P1-19
EXT_DO
EXT_D1
P1-20
P1-70
EXT_D2
EXT_D3
P1-21
P1-71
EXT_D4
EXT_D5
P1-72
P1-23
EXT_D6
P1-73
EXT_D7
D0
DIG_ BUS_ INT
(PLL UNLOCKED)
D1
D2
D3
D4
D5
D6
D7
SELECT
CLK
POWER SUPPLY INPUTS
+15V
+10 VREF
+32V
P1-9
P1-14,64
P1-16
P1-17,66,67
P1-12
P1-62
P1-13,63
P1-1,7,54,56
P1-22,28,34,
40,46,69,75,
81,87,93 ,99
+5VA
+3.3VF
-5.2V
-5V
-15V
ANALOG
COMMON
DIGITAL
COMMON
+10V
REF
3V
REG
BURST MOD
ABUS
BURST
BURST MOD
SWITCH
AND
FILTERS
P1-80
L_DCC_ALT_PWR_SEL
INTL_ALC_HOLD
BURST_PULSE
BURST_ENVELOPE
P1-31
P1-30
P1-57
BURST
ENVELOPE
CONTROL
&
RAM
ENVL_LATCH
L_BURST
LATCH_DATA
+10V_REF
BURST_TC
ALC_HOLD_DIR
ALT_PWR_DIR
MASTER_CLK
BURST_PULSE_DIR
ADJ_TS_PWR_IN
BURST_PLS
CONTROL
LOGIC
DAC_EN
ENVELOPE
DATA
15
15
DIGITAL MODULATOR IC
DIGITAL
INTERPOLATOR
FIR
PRE-MOD
FILTER
DATA/SYMBOL
GENERATOR
Q DATA
GENERATION
ADJ
DAC
I
OFFSET ADJUST
Q
OFFSET ADJUST
I
GAIN ADJUST
Q
GAIN ADJUST
LATCH DATA BUS
P2-12
P2-16
CLK_OUT
P2-14
DATA_OUT
SYNC_OUT
P2-8
DATA_EN_OUT
P2-10
EVENT1_OUT
14 MHz
FILTER
AUD 2
P1-55
P1-53
J2
Q_OUT
RECONSTRUCTION
ABUS
P1-4
I_OFFSET
Q_OFFSET
Q
DAC
14
I DATA
GENERATION
14 MHz
FILTER
AUD 1
P1-6
P1-2
J1
I_OUT
RECONSTRUCTION
14
I
DAC