R5F21346CNFP#U0 Renesas Electronics America, R5F21346CNFP#U0 Datasheet - Page 702

• Manufacturer Part Number: R5F21346CNFP#U0
• Description: MCU 1KB FLASH 32K ROM 48-LQFP
• Manufacturer: Renesas Electronics America
• Series: R8C/3x/34Cr

Specifications of R5F21346CNFP#U0

• Core Processor: R8C
• Core Size: 16/32-Bit
• Speed: 20MHz
• Connectivity: I²C, LIN, SIO, SSU, UART/USART
• Peripherals: POR, PWM, Voltage Detect, WDT
• Number Of I /o: 43
• Program Memory Size: 32KB (32K x 8)
• Program Memory Type: FLASH
• Ram Size: 2.5K x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Data Converters: A/D 12x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 85°C
• Package / Case: 48-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

R8C/34C Group
REJ09B0586-0100 Rev.1.00 Jan 13, 2010
Page 669 of 723
Figure 33.3
Table 33.10
Notes:
Table 33.11
Notes:
V
−
−
−
t
t
d(E-A)
rth
reset signal
det2
Power V
Symbol
Symbol
Notes:
1. The measurement condition is V
2. Time until the voltage monitor 2 interrupt request is generated after the voltage passes V
3. Necessary time until the voltage detection circuit operates after setting to 1 again after setting the VCA27 bit in the VCA2
1. The measurement condition is T
2. To use the power-on reset function, enable voltage monitor 0 reset by setting the LVDAS bit in the OFS register to 0.
External
Internal
1. V
2. t
V
register to 0.
0.5 V
det0
Circuit for details.
a power-on reset. When turning on the power after it falls with voltage monitor 0 reset disabled, maintain
t
w(por)
w(por)
CC
det0
(1)
Voltage detection level Vdet2_0
Hysteresis width at the rising of Vcc in voltage detection
2 circuit
Voltage detection 2 circuit response time
Voltage detection circuit self power consumption
Waiting time until voltage detection circuit operation
starts
External power V
indicates the voltage detection level of the voltage detection 0 circuit. Refer to 6. Voltage Detection
indicates the duration the external power V
for 1 ms or more.
Power-on Reset Circuit
Voltage Detection 2 Circuit Electrical Characteristics
Power-on Reset Circuit Electrical Characteristics
(3)
t
w(por)
(2)
CC
Parameter
rise gradient
t
rth
Parameter
opr
CC
= 1.8 V to 5.5 V and T
= − 20 to 85 ° C (N version) / − 40 to 85 ° C (D version), unless otherwise specified.
(2)
f
OCO-S
1
(2)
circuit response time
Voltage detection 0
× 32
CC
opr
must be held below the valid voltage (0.5 V) to enable
(1)
= − 20 to 85 ° C (N version) / − 40 to 85 ° C (D version).
At the falling of V
At the falling of Vcc from
5 V to (Vdet2_0 − 0.1) V
VCA27 = 1, V
Condition
Condition
CC
= 5.0 V
CC
t
rth
Min.
0
det2
3.70
Min.
33. Electrical Characteristics
.
−
−
−
−
Standard
f
Typ.
OCO-S
Standard
−
1
Typ.
4.00
0.10
1.7
20
−
50,000 mV/msec
× 32
Max.
V
Max.
4.30
150
100
det0
−
−
(1)
Unit
Unit
µ A
µ s
µ s
V
V