M306V2ME Datasheet, PDF (36/276 Pages) Mitsubishi Electric Semiconductor – SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER

MITSUBISHI MICROCOMPUTERS
M306V2ME-XXXFP
M306V2EEFP
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
and ON-SCREEN DISPLAY CONTROLLER
2.5 Clock Generating Circuit
The clock generating circuit contains 2 oscillator circuits that supply the operating clock sources to the CPU
and internal peripheral units and 1 oscillator circuit that supplies the operating clock source to OSD.
Table 2.5.1. Clock oscillation circuits
Main clock oscillation circuit Sub-clock oscillation circuit
OSD oscillation circuit
Use of clock
Usable oscillator
• CPU’s operating clock
source
• Internal peripheral units’
operating clock source
•Ceramic resonator
(or quartz-crystal oscillator)
• CPU’s operating clock
source
• Timer A/B’s count clock
source
•Quartz-crystal oscillator
Pins to connect
XIN, XOUT
XIN, XOUT
oscillator
Oscillation stop/restart Available
Available
function
Oscillator status
Oscillating
Stopped
immediately after reset
Other
Externally derived clock can be input
• OSD’s operating clock
source
•Ceramic resonator
(or quartz-crystal oscillator)
•LC oscillator
OSC1, OSC2
Rev. 1.0
36