M30622MA-XXXFP RENESAS [Renesas Technology Corp], M30622MA-XXXFP Datasheet - Page 616

• Manufacturer Part Number: M30622MA-XXXFP
• Description: 16-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY
• Manufacturer: RENESAS [Renesas Technology Corp]

Appendix 4
Appendix 4 A practical example of connecting to the reset IC
M62015 and M62016 are reset ICs compatible with the M16C's backup mode. Here follow these ICs'
overview and characteristics together with an example of connecting to the M16C when Vcc = 3 V.
• Overview of the reset ICs
• Characteristics of the reset ICs
* BiCMOS process low-consumption circuit configuration
* Two-step power voltage detection
* Two outputs
* Output form
• A practical example of connection
Either M62015 or M62016 detects the rising edge of the power, the falling edge, and abnormal voltage of
the power of the 3-V family of microcomputer systems. It is an optimal semiconductor integrated circuit to
reset or release the microcomputer system.
Either M62015 or M61016 carries out 2-step power voltage detection, and is provided with two output
terminals (the forced reset signal output RESET and the interrupt handling signal output INT). Either
M62015 or M62016 embeds the BiCMOS process and the low power consumption circuit, and outputs
optimal signals from respective output terminals with low power consumption especially in dealing with a
system that requires its RAM backup.
Circuit current
Normal power detection
Power detection for backup
Forced reset signal output
Interrupt handling signal output
CMOS output
Open drain output
Power supply
V
Power for backup
V
CC
BATT
(+3V)
(+3V)
Note: Pull-up resistors are necessary only for open drain output form.
Delay
capacity
0.33µF
Smoothing
capacity
100µF
Cd
______
Icc = 3 A (standard value normal mode Vcc = 3.0 V)
Icc = 3 A (standard value backup mode Vcc = 2.5 V)
Vs = 2.7 V (standard value)
V
____________
RESET
INT
: M62015
: M62016
+
M62015 / M62016
BATT
Reset IC
= 2.0 V (standard value)
+
+
-
-
RESET
V
INT
CC
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
INT
Interrupt
handling
signal
RESET
Forced reset
signal
Note
M16C/62 group
V
Power
terminal
Clock signal
input/output
INT
Interrupt input
RESET
Reset input
CC
Mitsubishi microcomputers
M16C / 62 Group
601