M306V5EESP Mitsubishi, M306V5EESP Datasheet - Page 179

• Manufacturer Part Number: M306V5EESP
• Description: SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER
• Manufacturer: Mitsubishi

Rev. 1.0
Figure 2.16.16 Block Diagram of OSD selection circuit
Figure 2.16.15 Clock control register
2.16.4 Clock for OSD
As a clock for display to be used for OSD, it is possible to select one of the following 3 types.
• Data slicer clock output from the data slicer (approximately 26 MHz)
• Clock from the LC oscillator supplied from the pins OSC1 and OSC2
• Clock from the ceramic resonator (or the quartz-crystal oscillator) from the pins OSC1 and OSC2
Clock control register
b7 b6 b5 b4 b3 b2 b1 b0
0
Note : To use data slicer clock, set bit 0 of data slicer control register 1 to “1.”
0
0
0
Oscillating mode for OSD
Ceramic •
quartz-crystal
0
LC
CS2
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
Data slicer
circuit
“10”
“11”
,
Bit symbol
Reserved bits
CS1
CS0
CS1
CS2
Symbol
CS
Data slicer clock
Clock selection bit
OSC1 oscillating mode
selection bits
OSC1 clock
Bit name
(See note)
Address
0205
“0”
“1”
16
b2
0: Data slicer clock
1: OSC1 clock
0 0: Stopped
0 1: Do not set.
1 0: LC oscillating mode
1
Must always be set to “0”
CS0
b1
and ON-SCREEN DISPLAY CONTROLLER
1: Ceramic • quartz-crystal
oscillating mode
Function
When reset
MITSUBISHI MICROCOMPUTERS
00
M306V5ME-XXXSP
16
OSD control circuit
M306V5EESP
R W
179