M37151 Datasheet, PDF (51/139 Pages) Renesas Technology Corp – SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER

MITSUBISHI MICROCOMPUTERS
M37151M6/M8/MA/MC/MF-XXXFP, M37151EFFP
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
and ON-SCREEN DISPLAY CONTROLLER
8.10.1 Notes When not Using Data Slicer
When bit 0 of data slicer control register 1 (address 00E016) is “0,”
terminate the pins as shown in Figure 8.10.2.
<When data slicer circuit and timing signal generating circuit are in OFF state>
Leave HLF pin open.
Leave V HOLD pin open.
Pull-down CV IN pin to V SS through
a resistor of 5 k Ω or more.
Open ₂₄ HLF
Open ₂₅ VHOLD
5 kΩ or more
CVIN
26
Fig. 8.10.2 Termination of Data Slicer Input/Output Pins when Data Slicer Circuit and Timing Generating Circuit are in OFF State
When both bits 0 and 2 of data slicer control register 1 (address
00E016) are “1,” terminate the pins as shown in Figure 8.10.3.
<When using a reference clock generated in timing signal generating circuit as OSD clock>
1 kΩ
Connect the same external circuit as when
using data slicer to HLF pin.
1 µF
200pF
HLF
24
Leave V HOLD pin open.
Open ₂₅ VHOLD
Pull-up CVIN to VCC through a resistor
of 5 kΩ or more.
5 kΩ or more
CVIN
26
Fig. 8.10.3 Termination of Data Slicer Input/Output Pins when Timing Signal Generating Circuit Is in ON State
Rev. 1.0
50