M16C6K9 Datasheet, PDF (168/292 Pages) Renesas Technology Corp – SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER

M16C/6K9 Group
Serial Interrupt Output
Serial interrupt control register0
(address:02B016 )
b7 b6 b5 b4 b3 b2 b1 b0
Internal signals
OBF00,OBF01,
OBF1 - OBF3
Clock stop inhibiting enable
Clock restart enable
Serial interrupt enable
internal data bus
IRQ request register0
(address:02B216 )
b7 b6 b5 b4 b3 b2 b1 b0
IRQ request register1 - 4
(address:02B316 , 02B416,
02B516 ,02B616)
b7 b6 b5 b4 b3 b2 b1 b0
IRQ request 00,01
OBF sync enable
Serial interrupt request
Control circuit
IRQ request 1 - 4
IRQ request 0 - 4
IRQ frame number 1 - 4
Port control section
IRQ request IRQ request Frame number
0-4
clear
(CH0 - CH4)
SERIRQ
Serial interrupt output
Control circuit
CLKRUN
LCLK
LRESET
PRST
f1
Clock operation
Status & finish
acknowledge
Clock restart
request & start frame
start request
Clock monitor/
Control circuit
Reset selection
b7 b6 b5 b4 b3 b2 b1 b0
Serial interrupt control register1(address:
02B116 )
Internal data bus
Fig.SI-1 Serial interrupt block chart
Rev.1.00 Jun 06, 2003 page 168 of 290