R5F21324CNSP#U0 Renesas Electronics America, R5F21324CNSP#U0 Datasheet - Page 83
R5F21324CNSP#U0
Manufacturer Part Number
R5F21324CNSP#U0
Description
MCU 1KB FLASH 16K ROM 20-LSSOP
Manufacturer
Renesas Electronics America
Series
R8C/3x/32Cr
Datasheet
1.R5F21321CDSPU0.pdf
(605 pages)
Specifications of R5F21324CNSP#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
15
Program Memory Size
16KB (16K x 8)
Program Memory Type
FLASH
Ram Size
1.5K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 4x10b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 85°C
Package / Case
20-LSSOP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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R8C/32C Group
REJ09B0573-0100 Rev.1.00 Dec. 18, 2009
Page 54 of 573
Figure 6.7
VCA13: Bit in VCA1 register
VW2C1, VW2C2, VW2C7: Bits in VW2C register
VCAC2: Bit in VCAC register
VW2C1 bit is set to 0
(digital filter enabled)
and
VCAC2 bit is set to 1
(both edges)
VW2C1 bit is set to 0
(digital filter enabled),
VCAC2 bit is set to 0
(one edge),
and
VW2C7 bit is set to 0
(when VCC reaches
Vdet2 or above)
VW2C1 bit is set to 0
(digital filter enabled),
VCAC2 bit is set to 0
(one edge),
and
VW2C7 bit is set to 1
(when VCC reaches
Vdet2 or below)
VW2C1 bit is set to 1
(digital filter disabled)
and
VCAC2 bit is set to 1
(both edges)
VW2C1 bit is set to 1
(digital filter disabled),
VCAC2 bit is set to 0
(one edge),
and
VW2C7 bit is set to 0
(when VCC reaches
Vdet2 or above)
VW2C1 bit is set to 1
(digital filter disabled),
VCAC2 bit is set to 0
(one edge),
and
VW2C7 bit is set to 1
(when VCC reaches
Vdet2 or below)
The above applies when:
Note:
• VCA27 bit in VCA2 register = 1 (voltage detection 2 circuit enabled)
• VW2C0 bit in VW2C register = 1 (voltage monitor 2 interrupt enabled)
1. If voltage monitor 0 reset is not used, set the power supply to VCC ≥ 1.8 V.
Operating Example of Voltage Monitor 2 Interrupt
VCA13 bit
VW2C2 bit
Voltage monitor 2
interrupt request
VW2C2 bit
Voltage monitor 2
interrupt request
VW2C2 bit
Voltage monitor 2
interrupt request
VW2C2 bit
Voltage monitor 2
interrupt request
VW2C2 bit
Voltage monitor 2
interrupt request
VW2C2 bit
Voltage monitor 2
interrupt request
1.8 V
Vdet2
(1)
VCC
Sampling clock of
digital filter × 2 cycles
Set to 0 when an interrupt request
is acknowledged.
Set to 0 when an interrupt request
is acknowledged.
Set to 0 by a program.
Set to 0 when an interrupt request
is acknowledged.
Set to 0 by a program.
Sampling clock of
digital filter × 2 cycles
Set to 0 by a program.
Set to 0 by a program.
Set to 0 when an interrupt request
is acknowledged.
Set to 0 when an interrupt request
is acknowledged.
6. Voltage Detection Circuit
Set to 0 when an interrupt request
is acknowledged.
Set to 0 by a program.
Set to 0 by a program.
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