Realtek
1. Features
General
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Embedded dual DDC support DDC1, DDC2B,
DDC/CI
Zoom scaling up and down
Embedded Pattern Generator
No external memory required.
Require only one crystal to generate all timing
Embedded reset control output
Embedded crystal output to MICROP
3 channels 8 bits PWM output, and selectable
PWM clock frequency.
RTD2523/2513
Color Processor
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Digital brightness and contrast adjustments
sRGB compliance
Gamma correction
Dithering logic for 18-bit panel color depth
enhancement
Output Interface
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Built-in display timing generator and fully
programmable
(RTD2523) 1 and 2-pixel/clock panel support and
up to 140MHz
(RTD2513) 1 and 2-pixel/clock panel support and
up to 95MHz
Scaler internal LSB/MSB swap, odd/even swap
and red/blue group swap.
Programmable TCON function support
RSDS (Reduced Swing Differential Signaling)
data bus type 1~3.
Dual/Single LVDS interface output
Reduced EMI and power saving feature
Integrated Spread-Spectrum DCLK PLL.
Analog RGB Input Interface
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Integrated 8-bit triple-channel 140MHz
ADC/PLL
Support up to 140MHz (SXGA@ 75Hz)
Embedded programmable Schmitt trigger of
HSYNC
Support Sync On Green (SOG) and de-composite
sync modes
On-chip high-performance PLLs
32 phase APLL
Digital Input Interface
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Host Interface
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Support MCU serial bus interface
Support MCU parallel bus interface
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Support 8-bit video (ITU 656) format input
Built-in YUV to RGB color space converter &
de-interlace
DVI Compliant Digital Input Interface
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Single link on-chip TMDS receiver
Operation up to 165Mhz
Direct connect to DVI compliant TMDS
transmitter
Embedded OSD
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Embedded 11.25K SRAM dynamically stores
OSD command and fonts
Support multi-color RAM font, 1, 2 and 4-bit per
pixel
16 color palette with 24bit true color selection
Maximum 8 window with alpha-blending/
gradient/dynamic fade-in/fade-out, bordering/
shadow/3D window type
Every window can place anywhere on the screen
Rotary 90,180,270 degree
Independent row shadowing/bordering
Programmable blinking effects for each character
OSD-made internal pattern generator for factory
mode
Support 12x18~4x18 proportional font
Auto Detection /Auto Calibration
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Input format detection
Compatibility with standard VESA mode and
support user-defined mode
Smart engine for Phase and Image position
calibration
Scaling
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Fully programmable zoom ratios
Independent horizontal/vertical scaling
Advanced zoom algorithm provides high image
quality
Sharpness/Smooth filter enhancement
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Power & Technology
2.5V/3.3V power supplier
0.25um CMOS process; 128-pin QFP package.
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Realtek
(I/O Legend: A = Analog, I = Input, O = Output, P = Power, G = Ground)
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ADC: 15 pins
Name
ADC_GND
ADC_REFIO
ADC_VDD
BLUE+
BLUE-
ADC_GND
SOG/ADC_TEST
GREEN+
GREEN-
ADCB_VDD
RED+
RED-
ADC_GND
ADC_GND
ADC_VDD
AHS
AVS
I/O
AG
AP
AP
AI
AI
AG
AIO
AI
AI
AP
AI
AI
AG
AG
AP
AI
AI
Pin No
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
Description
ADC ground
ADC band-gap voltage de-coupling
Analog power
Analog input from BLUE channel
Analog input
ground
from BLUE channel
ADC ground
SOG in/ADC test pin
Analog input from GREEN channel
Analog input ground from GREEN
channel
Analog power
Analog input from RED channel
Analog input ground from RED channel
Analog ground
Analog ground
Analog power
Analog HS input
Analog VS input
RTD2523/2513
Note
1.20V
(3.3V)
(3.3V)
(3.3V)
(10),
(4), (5)
(2), (4), (5)
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PLL: 8 pins
Name
XO
XI
DPLL_GND
DPLL_VDD
APLL_VDD
PLL_TEST1
PLL_TEST2
APLL_GND
I/O
AI
AO
AG
AP
AP
AIO
AIO
AG
Pin No
1
2
3
4
5
6
7
8
Description
Reference clock output
Reference clock input
Ground for digital PLL
Power for digital PLL
Power for multi-phase PLL
Test Pin 1 / IRQ#
Test Pin 2/Power-on-latch for crystal out
Frequency
Ground for multi-phase PLL
Note
(3.3V)
(3.3V)
3.3V tolerance
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Control Interface: 7 pins
Name
SDIO [0]
SDIO [1] / TCON [4] /
BBLU [0]
SDIO [2] / TCON [3] /
BBLU [1]
SDIO [3] / PWM2 /
TCON [2]
SCLK
SCSB
RESET
I/O
IO
IO
IO
IO
I
I
O
Pin No
54
53
52
51
50
111
56
Description
Serial control I/F data in / Parallel port data
[0]
Parallel port data [1] / TCON [4] / TTL
BBLU [0]
Parallel port data [2] / TCON [3] / TTL
BBLU [1]
Parallel port data [1] / TCON [4] / PWM2
Serial control I/F clock
Serial control I/F chip select
RESET output for Micron
Note
(2), (3), / 2mA
(1), (2), (3), / 2mA
(1), (2), (3), / 2mA
(1), (2), (3), / 2mA
(2), (3), (5)
(2), (3), (5)
(2), (5), (6) / 2mA
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