tmp88cs38ng TOSHIBA Semiconductor CORPORATION, tmp88cs38ng Datasheet - Page 153

• Manufacturer Part Number: tmp88cs38ng
• Description: Cmos 8-bit Microcontroller
• Manufacturer: TOSHIBA Semiconductor CORPORATION

Specification unit of vertical display
2.15.5.2 OSD Data Output Format Control
Normal mode
start position
1 dot height
(1) Scan mode
Interlace scanning
double scan mode is enabled, the vertical display counter increases every 2 scan
lines and a vertical size of a dot is double. This function is enabled by setting
VDSMD (Bit7 in ORETC) in the OSD control register to “1”.
Note 1: The data written to those control register is transferred to the OSD circuit and
Note 2: When OSD circuit is used on an interlace scanning TV, a jitter elimination
The double scan mode is used to handle non-interlaced scanning TV. When
Scan mode select register (1 bit)......... VDSMD (Bit7 in ORETC)
Table 2.15.1 The Difference of 2 Types of Scan Mode
Double scan mode
become valid when the data is written.
circuit must be enabled and set AFLD to “1” in JECR.
“0”
“1”
Figure 2.15-9 Scan Mode
......... Normal mode
......... Double scan mode
One scanning line
88CS38-153
Normal Mode
−
Normal mode
Non-interlace scanning
Double Scan Mode
Normal mode height × 2
TMP88CS38/CM38A/CP38A
Two scanning lines
Double scan mode
2007-09-12