m37280eksp Mitsumi Electronics, Corp., m37280eksp Datasheet - Page 120

• Manufacturer Part Number: m37280eksp
• Description: Single-chip 8-bit Cmos Microcomputer With Closed Caption Decoder And On-screen Display Controller
• Manufacturer: Mitsumi Electronics, Corp.

Fig.15.3 Clock Generating Circuit Block Diagram
120
X
CIN
Q
X
IN
S
R
X
STP instruction
COUT
OSC1 oscillating
mode selection bits
(See notes 1, 4)
Main clock (X
Internal system clock
selection bit (Notes 1, 3)
Notes 1 : The value at reset is “0.”
Internal system clock
selection bit (See notes 1, 3)
2 : Refer to the structure of timer mode register 2.
3 : Refer to the structure of CPU mode register (next page).
4 : Refer to the structure of clock source control register.
X
OUT
IN
–X
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
OUT
WIT
instruction
) stop bit (Notes 1, 3)
“1”
“0”
1/2
M37280MF–XXXSP, M37280MK–XXXSP
Reset
S
R
1/8
Q
Interrupt disable flag I
Interrupt request
Timer 3
count source selection bit (See notes 1, 2)
“1”
“0”
Timer 3 count
stop bit (See notes 1, 2)
Q
S
R
and ON-SCREEN DISPLAY CONTROLLER
Timer 3
Timing
(Internal clock)
STP instruction
MITSUBISHI MICROCOMPUTERS
Reset
Timer 4 count
stop bit (See notes 1, 2)
M37280EKSP
Timer 4
Rev. 1.0