tmp88cs38ng TOSHIBA Semiconductor CORPORATION, tmp88cs38ng Datasheet - Page 168

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

2.15.5.5 OSD Display Screen Control
(1) Display on/off
(2) Window function
limit is specified by WVSH (ORWVSH). Window lower limit is specified by WVSL
(ORWVSL). This function is enabled by setting EWDW (Bit1 in ORDON ) in the
OSD control register to 1.
Note: Do not start STOP mode during display is enable.
Note 1: THD: One cycle of
Note 2: WVSL > WVSH ≥ “1”
Note 3: Modify the value of window upper and lower limit register and the value of
Note 4: It is recommendable that the window function is always enabled (EWDW = “1”)
Note 5: Characters and symbols at scanning line specified by WVSL are not displayed.
This function is used to display characters specified for on/off display.
Display on/off specification unit: Display page
Display on/off specification register (1 bit) ...... DON (Bit0 in ORDON)
This function is used to set upper and lower limit of display page. Window upper
Window specification unit: Display page
Window function enable specification register (1 bit) ............EWDW (Bit1 in
Window upper limit specification register (9 bits) .... WVSH8 to 0 (ORWVSH)
Window lower limit specification register (9 bits) ..... WVSL8 to 0 (ORWVSL)
Window upper and lower limit position .....
“0”
“1”
“0”
“1”
EWDW during
and set WVSH to “01H”, WVSL to “1FEH”.
When VDSMD is “0” (Normal mode):
When VDSMD is “1” (Double scan mode):
......... Disable display
......... Enable display
......... Disable window function
......... Enable window function
VD
88CS38-168
WVSH = (WVSH8 to WVSH0)
WVSL = (WVSL8 to WVSL0)
WVSH = (WVSH8 to WVSH0)
WVSL = (WVSL8 to WVSL0)
HD
signal is low.
signal
TMP88CS38/CM38A/CP38A
H
H
H
H
× T
× 2T
× T
× 2T
HD
HD
HD
HD
ORDON)
2007-09-12