R8C32M_15 Datasheet, PDF (35/56 Pages) Renesas Technology Corp – RENESAS MCU

R8C/32M Group
5. Electrical Characteristics
Table 5.12 High-speed On-Chip Oscillator Circuit Electrical Characteristics
Symbol
−
−
−
Parameter
Condition
High-speed on-chip oscillator frequency after
reset
High-speed on-chip oscillator frequency when
the FRA4 register correction value is written into
the FRA1 register and the FRA5 register
correction value into the FRA3 register ⁽²⁾
High-speed on-chip oscillator frequency when
the FRA6 register correction value is written into
the FRA1 register and the FRA7 register
correction value into the FRA3 register
Oscillation stability time
Self power consumption at oscillation
VCC = 1.8 V to 5.5 V
−20°C ≤ Topr ≤ 85°C
VCC = 1.8 V to 5.5 V
−40°C ≤ Topr ≤ 85°C
VCC = 1.8 V to 5.5 V
Topr = 25°C
VCC = 1.8 V to 5.5 V
−20°C ≤ Topr ≤ 85°C
VCC = 1.8 V to 5.5 V
−40°C ≤ Topr ≤ 85°C
VCC = 1.8 V to 5.5 V
Topr = 25°C
VCC = 1.8 V to 5.5 V
−20°C ≤ Topr ≤ 85°C
VCC = 1.8 V to 5.5 V
−40°C ≤ Topr ≤ 85°C
VCC = 1.8 V to 5.5 V
Topr = 25°C
VCC = 5.0 V, Topr = 25°C
VCC = 5.0 V, Topr = 25°C
Standard
Min.
Typ.
39.4
40
Max.
40.6
Unit
MHz
39.4
40
40.6 MHz
39.6
40
40.4 MHz
36.311 36.864 37.417 MHz
36.311 36.864 37.417 MHz
36.495 36.864 37.233 MHz
31.52
32 32.48 MHz
31.52
32 32.48 MHz
31.68
32 32.32 MHz
−
100
450 µs
−
500
−
µA
Notes:
1. VCC = 1.8 to 5.5 V, Topr = −20 to 85°C (N version) / −40 to 85°C (D version), unless otherwise specified.
2. This enables the setting errors of bit rates such as 9600 bps and 38400 bps to be 0% when the serial interface is used in
UART mode.
Table 5.13 Low-speed On-Chip Oscillator Circuit Electrical Characteristics
Symbol
Parameter
fOCO-S
−
−
fOCO-WDT
−
−
Low-speed on-chip oscillator frequency
Oscillation stability time
Self power consumption at oscillation
Low-speed on-chip oscillator frequency for the
watchdog timer
Oscillation stability time
Self power consumption at oscillation
Condition
VCC = 5.0 V, Topr = 25°C
VCC = 5.0 V, Topr = 25°C
Standard
Unit
Min. Typ. Max.
60
125 250 kHz
−
30
100 µs
−
2
−
µA
60
125 250 kHz
VCC = 5.0 V, Topr = 25°C
−
VCC = 5.0 V, Topr = 25°C
−
30
100 µs
2
−
µA
Note:
1. VCC = 1.8 to 5.5 V, Topr = −20 to 85°C (N version) / −40 to 85°C (D version), unless otherwise specified.
Table 5.14 Power Supply Circuit Timing Characteristics
Symbol
Parameter
Condition
td(P-R)
Time for internal power supply stabilization during
power-on⁽²⁾
Notes:
1. The measurement condition is VCC = 1.8 to 5.5 V and Topr = 25°C.
2. Waiting time until the internal power supply generation circuit stabilizes during power-on.
Standard
Unit
Min. Typ. Max.
−
− 2,000 µs
R01DS0024EJ0100 Rev.1.00
Jun 28, 2011
Page 35 of 53