M37160M8 Datasheet, PDF (88/131 Pages) Renesas Technology Corp – SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

M37160M8/MA/MF-XXXSP/FP,M37160EFSP/FP
XCIN
XCOUT
FSCIN
System clock
generating circuit
OSC1 clock selection
bits (See notes 1, 4)
Timer 3 count
stop bit (See notes 1, 2)
Timer 4 count
stop bit (See notes 1, 2)
“1”
“1”
Timer 3
1/2
1/8
“0”
“0”
Internal system clock
selection bit (See notes 1, 3)
Timer 3
count source selection bit (See notes 1, 2)
Main clock (XIN–XOUT) stop bit (See notes 1, 3)
Internal system clock selection bit
(See notes 1, 3)
Timing φ
(Internal clock)
Timer 4
QS
SQ
QS
Reset
R STP instruction
WIT
instruction
R
R ^{STP instruction}
Reset
Interrupt disable flag I
Interrupt request
Notes 1 : The value at reset is “0.”
2 : Refer to timer mode register 2.
3 : Refer to the CPU mode register.
4 : Refer to the OSD control register.
Fig.8.13.7 Clock Generating Circuit Block Diagram
Rev.1.01 2003.11.13 page 88 of 130