Z90251 ZILOG [Zilog, Inc.], Z90251 Datasheet - Page 47
Z90251
Manufacturer Part Number
Z90251
Description
eZVision 200 Television Controllers with OSD
Manufacturer
ZILOG [Zilog, Inc.]
Datasheet
1.Z90251.pdf
(97 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
Z9025106
Manufacturer:
ZILOG
Quantity:
20 000
- Current page: 47 of 97
- Download datasheet (530Kb)
Z90255 ROM and Z90251 OTP
32 KB Television Controller with OSD
39
5.7
Character Size and Smoothing Effect
The Z90255 supports four character sizes: 1X, 2X, double width, and double
height. The 2X size duplicates each pixel horizontally and vertically to reach
double size. Figure 14 shows a character at 1X, 2X without smoothing, and 2X
with smoothing.
Smoothing means enhancing a character to improve its appearance. This effect
can be applied to 2X and double width characters, and is enabled and disabled in
DISP_ATTR: 03h: Bank A (4).
Check the effect of smoothing on 2X and double width characters before finalizing
OSD programming.
1X
After Smoothing
2X
Figure 14 Smoothing Effect on 2X Character Size
PS001301-0800
Related parts for Z90251
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
Communication Controllers, ZILOG INTELLIGENT PERIPHERAL CONTROLLER (ZIP)
Manufacturer:
Zilog, Inc.
Datasheet:
Part Number:
Description:
CMOS Z8 microcontroller. ROM 16 Kbytes, RAM 256 bytes, speed 16 MHz, 32 lines I/O, 3.0V to 5.5V
Manufacturer:
Zilog, Inc.
Datasheet:
Part Number:
Description:
Low-cost microcontroller. 512 bytes ROM, 61 bytes RAM, 8 MHz
Manufacturer:
Zilog, Inc.
Datasheet:
Part Number:
Description:
Z8 4K OTP Microcontroller
Manufacturer:
Zilog, Inc.
Datasheet:
Part Number:
Description:
CMOS SUPER8 ROMLESS MCU
Manufacturer:
Zilog, Inc.
Datasheet:
Part Number:
Description:
SL1866 CMOSZ8 OTP Microcontroller
Manufacturer:
Zilog, Inc.
Datasheet:
Part Number:
Description:
SL1866 CMOSZ8 OTP Microcontroller
Manufacturer:
Zilog, Inc.
Datasheet:
Part Number:
Description:
OTP (KB) = 1, RAM = 125, Speed = 12, I/O = 14, 8-bit Timers = 2, Comm Interfaces Other Features = Por, LV Protect, Voltage = 4.5-5.5V
Manufacturer:
Zilog, Inc.
Datasheet:
Part Number:
Description:
Manufacturer:
Zilog, Inc.
Datasheet:
Part Number:
Description:
Manufacturer:
Zilog, Inc.
Datasheet:
Part Number:
Description:
CMOS Z8 consumer controller processor. ROM 4 KB, RAM 237 bytes, speed 12 MHz, 24 lines I/O, 3.0V to 5.5V
Manufacturer:
Zilog, Inc.
Datasheet:
Part Number:
Description:
CMOS Z8 consumer controller processor. ROM 4 KB, RAM 236 bytes, speed 16 MHz, 32 lines I/O, 3.0V to 5.5V
Manufacturer:
Zilog, Inc.
Datasheet:
Part Number:
Description:
CMOS Z8 consumer controller processor. ROM 4 KB, RAM 236 bytes, speed 12 MHz, 32 lines I/O, 3.0V to 5.5V
Manufacturer:
Zilog, Inc.
Datasheet: