MITSUBISHI MICROCOMPUTERS
M37274EFSP
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
and ON-SCREEN DISPLAY CONTROLLER
Clock Run-in Detect Register i
b7 b6 b5 b4 b3 b2 b1 b0
Clock run-in detect register i (CRDi) (i=1, 3) [Addresses 00E816, 020816
]
R
R
W
W
B
Name
Test bits
Functions
After reset
0
0
to
2
Read-only
3
to
7
0
R
—
Clock run-in detection bits
(CRDi3 to CRDi7)
Number of reference clock s
to be counted one clock run-
in pulse period
Clock Run-in detect Register i
Addresses 00E816, 020816
Clock Run-in Detect Register 2
b7 b6 b5 b4 b3 b2 b1 b0
Clock run-in detect register 2 (CRD2) [Address 00E916
]
R
R
W
W
B
Name
Functions
After reset
0
0
to
2
Clock run-in pulses for
sampling
(CRD20 to CRD22)
b2 b1 b0
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0 : Not available
1 : 1st pulse
0 : 2nd pulse
1 : 3rd pulse
0 : 4th pulse
1 : 5th pulse
0 : 6th pulse
1 : 7th pulse
Time from detection of a start
bit to occurrence of a data clock
= (13 + set value) ✕
3
to
7
0
R
W
Data clock generating
time
(CRD23 to CRD27)
reference clock period
Clock Run-in detect Register 2
Address 00E916
127
RENESAS [ RENESAS TECHNOLOGY CORP ]
