Z90120

Features: ` 40-Pin DIP Package` 4.5V to 5.5V Operating Range` 0 to +70 Temperature Range` Low-Power Consumption` On-Screen Display (OSD) Logic Circuits` One 14-Bit and Three 6-Bit Pulse Width Modulator (PWM) Circuits`24 Input/Output Lines` Program Memory, Video RAM, and Register File Address Space...

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SeekIC No. : 004550464 Detail

Z90120: Features: ` 40-Pin DIP Package` 4.5V to 5.5V Operating Range` 0 to +70 Temperature Range` Low-Power Consumption` On-Screen Display (OSD) Logic Circuits` One 14-Bit and Three 6-Bit Pulse Width Modula...

floor Price/Ceiling Price

Part Number:
Z90120
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: 2024/3/28

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Product Details

Description



Features:

` 40-Pin DIP Package
` 4.5V to 5.5V Operating Range
` 0 to +70  Temperature Range
` Low-Power Consumption
` On-Screen Display (OSD) Logic Circuits
` One 14-Bit and Three 6-Bit Pulse Width Modulator (PWM) Circuits
`24 Input/Output Lines
` Program Memory, Video RAM, and Register File Address Spaces
`Two On-Chip Counter/Timers



Pinout

  Connection Diagram

 

 




Specifications

Symbol Parameters Min Max Units Notes
VCC Power Supply Voltage* 0.3 +7 V  
VI Input Voltage 0.3 VCC+0.3 V  
VI Input Voltage 0.3 VCC+0.3 V [1]
VO Output Voltage 0.3 VCC+8.0 V [2,3]
IOH Output Current High   10 mA 1 pin
IOH Output Current High   100 mA All total
IOL Output Current Low   20 mA 1 pin
IOL Output Current Low   200 mA All total
TA Operating Temperature      
TSTG Storage Temperature 65 +150 C  

Notes:
[1] Port 2 open-drain
[2] PWM open-drain outputs
[3] PWM breakdown is 13.2V (normal operation). Will withstand
16V max. (non-momentary operating).
* Voltage on all pins with respect to GND.
† See Ordering Information



Description

The Z901XX 40-pin Digital Television Controller is a costeffective member of the Z8® single-chip microcontroller family. The device provides an ideal performance and  reliability solution for consumer and industrial television applications.

The Z901XX offers mask-programmed ROM, which enables the Z8 microcontroller to be used in a high-volume production application device embedded with a custom program (customer-supplied program) and combines to provide support for mid-range and low-end TV applications.

The device features an 8-bit internal data path controlled by a Z8 microcontroller, On-Screen Display (OSD) logic circuits, and Pulse Width Modulators (PWM). On-chip peripherals include two register mapped I/O ports (Ports 2 and Port 3), interrupt control logic (one software, two external and three internal interrupts) and a standby mode recovery input port (Port 3, pin P30).

The OSD control circuits support six rows by 20 columns of characters. The character color is specified by row. One of the eight rows is assigned to show two kinds of colors for bar type displays such as volume control. The OSD is capable of displaying either low resolution (5x7 dot pattern) or high resolution (11x15 dot pattern) characters.

A 14-bit PWM port provides enough voltage resolution for a voltage synthesizer tuning system. Three 6-bit PWM ports are used for controlling audio signal levels, and  Three 8-bit PWM ports used to vary picture levels.  Three basic address spaces, The Program Memory, Video RAM, and Register File, support a wide range of memory configurations.

For applications demanding powerful I/O capabilities, the Z901XX's dedicated input and output lines are grouped  into three ports, and are configurable under software  cotrol to provide timing, status signals, parallel I/O and an address/data bus for interfacing to external memory.

To unburden the program from coping with the real-time problems such as counting/timing and data communication, the Z901XX offers two on-chip counter/timers with a large number of user selectable modes.




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