ucb1400 NXP Semiconductors, ucb1400 Datasheet - Page 5

• Manufacturer Part Number: ucb1400
• Description: Audio Codec With Touch Screen Controller And Power Management Monitor
• Manufacturer: NXP Semiconductors

Philips Semiconductors
7. Functional description
9397 750 09611
Product data
Fig 3. Functional block diagram.
LINE_OUT_R
LINE_OUT_L
LINE_IN_R
ADCSYNC
LINE_IN_L
XTL_OUT
MICGND
AD[3:0]
XTL_IN
IO[9:0]
TSMX
TSMY
TSPX
TSPY
MICP
0–22.5 dB
(0x0E)
TOUCH SCREEN
BIASING MATRIX
(0x64)
7.1 Functional block diagram
GROUND SWITCH (0x1A)
OSCILLATOR / PLL
(0x1A)
MUX
BIAS
CURRENT
(0x64,
0x66)
MUX
MASTER VOL.
0–94.5 dB
(0x02)
MASTER VOL.
0–94.5 dB
(0x02)
RECORD GAIN
0–22.5 dB
(0x1C)
RECORD GAIN
0–22.5 dB
(0x1C)
INTERRUPT GENERATION
STATUS/CLEAR (0x62)
Rev. 02 — 21 June 2002
DIRECTION (0x5C)
NEGATIVE (0x60)
CONTROL (0x66)
POSITIVE (0x5E)
DATA (0x5A)
DATA (0x68)
POWER UP/DOWN
IO BLOCK
VARIABLE RATE
VARIABLE RATE
VARIABLE RATE
VARIABLE RATE
ADC / TOUCH
ADC
(0x2A, 0x2C)
(0x2A, 0x2C)
(0x2A, 0x32)
(0x2A, 0x32)
(0x64, 0x66)
DAC_L
DAC_R
ADC_L
ADC_R
ADC READY
ADC DATA
INTERPOLATION
IO DATA
INTERRUPT
FILTER & NOISE
POWER UP/DOWN
SHAPER
Audio codec with touch screen controller
AC97 / AUDIO
(0x26, 0x6C)
DECIMATION FILTER
and power management monitor
LOOP BACK
© Koninklijke Philips Electronics N.V. 2002. All rights reserved.
(0x6A)
(0x20)
DSP
OVFL
UCB1400
SN00243
RESET
SYNC
BIT_CLK
SDATA_OUT
SDATA_IN
IRQOUT
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