R5F21324ANSP#U1 Renesas Electronics America, R5F21324ANSP#U1 Datasheet - Page 148
R5F21324ANSP#U1
Manufacturer Part Number
R5F21324ANSP#U1
Description
MCU 1KB FLASH 16K ROM 20-LSSOP
Manufacturer
Renesas Electronics America
Series
R8C/3x/32Ar
Datasheet
1.R5F21322ANSPU1.pdf
(629 pages)
Specifications of R5F21324ANSP#U1
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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Under development
R8C/32A Group
REJ09B0458-0020 Rev.0.20
Page 118 of 583
Figure 9.11
To oscillation stop detection
(oscillation stop detection
interrupt disabled)
Note:
OCD1 to OCD3: Bits in OCD register
VW2C2, VW2C3: Bits in VW2C register
Set OCD1 bit to 0
Interrupt sources
(XIN clock stops)
Determination of
interrupt routine
1. This disables multiple oscillation stop detection interrupts.
OCD3 = 1?
YES
Timer, Voltage Monitor 1, or Voltage Monitor 2 Interrupt
Preliminary specification
Specifications in this manual are tentative and subject to change.
Example of Determining Interrupt Sources for Oscillation Stop Detection, Watchdog
(1)
NO
interrupt enabled) and OCD2 = 1
selected as system clock)?
(oscillation stop detection
(on-chip oscillator clock
Nov 05, 2008
OCD1 = 1
YES
NO
(watchdog timer underflow)
To watchdog timer
interrupt routine
VW2C3 = 1?
YES
NO
To voltage monitor 2
interrupt routine
(Vdet2 passed)
VW2C2 = 1?
YES
9. Clock Generation Circuit
NO
To voltage monitor 1
interrupt routine
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