參數(shù)資料
型號: M37151M6-XXXFP
廠商: Renesas Technology Corp.
英文描述: SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER
中文描述: 單芯片8位CMOS微機隱蔽字幕解碼器和屏幕顯示控制器
文件頁數(shù): 71/139頁
文件大?。?/td> 1491K
代理商: M37151M6-XXXFP
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
and ON-SCREEN DISPLAY CONTROLLER
M37151M6/M8/MA/MC/MF-XXXFP, M37151EFFP
MITSUBISHI MICROCOMPUTERS
70
Rev 1.0
8.11.3 Clock for OSD
The following 2 types of clocks can be selected for OSD display:
Data slicer clock output from the data slicer (approximately 26 MHz)
OSD clock f (osc) generated based on the reference clock from
pin X
IN
.
The OSD clock for each block can be selected by bits 3 and 4 of the
clock source control register (addresses 00D0
16
).
Fig. 8.11.12 Block Diagram of OSD Selection Circuit
Data slicer circuit
Data slicer clock
(See note)
CC mode block
OSD mode block
Note :
To use data slicer clock, set bit 0 of data slicer control register 1 to
1.
When use the clock for OSD generated based on the main clock,
set the bit 0 of the clock control register 1 to
0.
0
0
1
1
OC3
OC4
f(osc)
Fig. 8.11.13 Clock control register 1
Clock control register 1
Clock control register
1 (CC1)
[Address
00CD
16
]
b7 b6 b5 b4 b3 b2 b1 b0
0
0
0
0
0
0
0
0
0
0
System clock generating
circuit control bit
(CC10)
0 :
Operation
1 :
Stop
Fix these bits to "0"
1 to
7
Name
B
Functions
After reset R W
R W
R W
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