GM2121

Features: • Zoom (from VGA) and shrink (from UXGA) scaling• Integrated 8-bit triple-channel ADC / PLL• Embedded microcontroller with parallel ROM interface• On-chip versatile OSD engine• All system clocks synthesized from a single external crystal• Programmable ...

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GM2121 Picture
SeekIC No. : 004354063 Detail

GM2121: Features: • Zoom (from VGA) and shrink (from UXGA) scaling• Integrated 8-bit triple-channel ADC / PLL• Embedded microcontroller with parallel ROM interface• On-chip versatile...

floor Price/Ceiling Price

Part Number:
GM2121
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/4/26

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Product Details

Description



Features:

• Zoom (from VGA) and shrink (from UXGA) scaling
• Integrated 8-bit triple-channel ADC / PLL
• Embedded microcontroller with parallel ROM interface
• On-chip versatile OSD engine
• All system clocks synthesized from a single external crystal
• Programmable gamma correction (CLUT)
• RealColor controls provide sRGB compliance
• PWM back light intensity control
• 5-Volt tolerant inputs
• Low EMI and power saving features



Pinout

  Connection Diagram


Specifications

PARAMETER SYMBOL MIN TYP MAX UNITS
3.3V Supply Voltages (1,2) VVDD_3.3 -0.3   3.6 V
2.5V Supply Voltages (1.2) VVDD_2.5 -0.3   2.75 V
Input Voltage (5V tolerant inputs) (1,2) VIN5Vtol -0.3   5.5 V
Input Voltage (non 5V tolerant inputs) (1,2) VIN -0.3   3.6 V
Electrostatic Discharge VESD     ±2.0 kV
Latch-up ILA     ±100 mA
Ambient Operating Temperature TA 0   70
Storage Temperature TSTG -40   125
Operating Junction Temp. TJ 0   125
Thermal Resistance (Junction to Air) Natural Convection (3) JA     29.4 /W
Thermal Resistance (Junction to Case) Convection (4) JC     13.2 /W
Soldering Temperature (30 sec.) TSOL     220
Vapor Phase Soldering (30 sec.) TVAP     220



Description

The gm2121 features two clock inputs. All additional clocks are internal clocks derived from one or more of these:

1. Crystal Input Clock (TCLK and XTAL). This is the input pair to an internal crystal oscillator and corresponding logic. A 20.0 MHz crystal is recommended. Other crystal frequencies may be used, but require custom programming. This is illustrated in Figure 4 below. Alternatively, a single-ended TTL/CMOS clock oscillator can be driven into the TCLK pin (leave XTAL as N/C in this case). This is illustrated in Figure 7 below. This option is selected by connecting a 10K pull-up to ROM_ADDR13 (refer to Table 17). See also Table 12.

2. Host Interface Transfer Clock (HCLK) The gm2121 TCLK oscillator circuitry is a custom designed circuit to support the use of an external
oscillator or a crystal resonator to generate a reference frequency source for the gm2121 device.




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