M16C26 Datasheet, PDF (180/239 Pages) Renesas Technology Corp – 16-BIT CMOS SINGLE-CHIP MICROCOMPUTER M16C FAMILY / M16C/20 SERIES

Udenvdeelropment
Preliminary Specifications Rev. 0.9
Specifications in this manual are tentative
Electrical Characteristics
and
subject to change.
SINGLE-CHIP 16-BIT
M16C/26 Group
CMOS MICROCOMPUTER
Table 1.18.6. Low Voltage Detection Circuit Electrical Characteristics (Note 1)
Symbol
Parameter
Vdet4
Vdet3
Vdet3s
Vdet3r
Power supply down detection voltage (Note 1)
Reset level detection voltage (Note 1)
Low voltage reset retention voltage (Note 2)
Low voltage reset release voltage
Measuring condition
VCC = 0.8 to 5.5V
Min.
Standard
Typ.
Max.
Unit
3.3
3.8
4.4 V
2.2
2.8
3.6 V
0.8
V
2.2
2.9
4.0
V
Note 1: VDET4 > VDET3
Note 2: VDET3s is the min voltage at which "hardware reset 2" is maintained. Below this voltage, "hardware reset 1" (using reset pin) must be
applied in order to resume operation.
Table 1.18.7. Power Supply Circuit Timing Characteristics
Symbol
Parameter
Measuring condition
Min.
Standard
Typ.
Max.
Unit
td(R-S)
td(W-S)
td(M-L)
STOP release time (Note 2)
Low power dissipation mode wait mode release time (Note 2)
Time for internal power supply stabilization when main clock oscillation starts
VCC = 2.7 to 5.5V
150 µs
150 _µs
50 µs
td(S-R) Hardware reset 2 release wait time
td(E-A) Low voltage detection circuit operation start time (Note 3)
VCC = VDET3r to 5.5V
VCC = 2.7 to 5.5V
6 (Note 1)
20 ms
20 µs
Note 1: When Vcc = 5V
Note 2: This is the time between interrupt for (STOP/WAIT) mode release and resumption of CPU clock operation.
Note 3: After enabling low voltage detection, this time is required before proper detection can occur.
Table 1.18.8. Hardware Reset 2 Release Wait Time
VCC
Vdet3r
CPU clock
Table 1.18.9. STOP Release Time
Interrupt for
stop mode
release
CPU clock
td(S-R)
td(R-S)
174
Renesas Technology Corp.