M37517F8HP Datasheet, PDF (44/98 Pages) Renesas Technology Corp – SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

7517 Group
ISENS1
Level shift
circuit
Wake up calibration
enable bit
0
Level shift
circuit
1
AVCC
Short current detect
voltage select bit
Over current detect
voltage select bit
Wake up current
detect voltage select bit
Over current detect status register
X10
Current detect time
set up resister
Short current
detect time counter
Over current
detect time counter
XCIN/128
Wake up current
detect time counter
SQ
R
SQ
R
SQ
R
FET control enable bit
(when short current
detect enable)
FET control enable bit
(when over current
detect enable)
Over current
detect interrupt
FET control polarity
switch bit
FET
Fig. 48 Block diagram of Over current detector
Rev.1.01 Aug 02, 2004 page 44 of 96