R5F21162SP#U0 Renesas Electronics America, R5F21162SP#U0 Datasheet - Page 40
![IC R8C MCU FLASH 8K 20SSOP](/photos/12/35/123577/r5f21162sp_u0_sml.jpg)
R5F21162SP#U0
Manufacturer Part Number
R5F21162SP#U0
Description
IC R8C MCU FLASH 8K 20SSOP
Manufacturer
Renesas Electronics America
Series
M16C™ M16C/R8C/Tiny/16r
Datasheets
1.R5F211A2SPU0.pdf
(300 pages)
2.R5F21173DSPU0.pdf
(40 pages)
3.R5F21173DSPU0.pdf
(281 pages)
Specifications of R5F21162SP#U0
Core Processor
R8C
Core Size
16-Bit
Speed
20MHz
Connectivity
I²C, SIO, UART/USART
Peripherals
LED, POR, Voltage Detect, WDT
Number Of I /o
13
Program Memory Size
8KB (8K x 8)
Program Memory Type
FLASH
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 4x10b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 85°C
Package / Case
20-SSOP
For Use With
R0K521134S000BE - KIT EVAL STARTER FOR R8C/13
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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- Download datasheet (4Mb)
R8C/16 Group, R8C/17 Group
Rev.2.10
REJ09B0169-0210
6.
The voltage detection circuit is a circuit to monitor the input voltage to the VCC pin. This circuit monitors the
VCC input voltage by the program. And the voltage monitor 1 reset, voltage monitor 2 interrupt and voltage
monitor 2 reset can be used.
Table 6.1 lists the Specification of Voltage Detection Circuit and Figures 6.1 to 6.3 show the Block
Diagrams. Figures 6.4 to 6.6 show the Associated Registers.
Table 6.1
VCC Monitor
Process When Voltage Is
Detected
Digital Filter
Voltage Detection Circuit
Jan 19, 2006
Specification of Voltage Detection Circuit
Item
Page 25 of 254
Voltage to Monitor
Detection Target
Monitor
Reset
Interrupt
Switch
Enabled / Disabled
Sampling Time
Vdet1
Whether passing
through Vdet1 by rising
or falling
None
Voltage Monitor 1 Reset Voltage Monitor 2 Reset
Reset at Vdet1 > VCC ;
Restart CPU operation at
VCC > Vdet1
None
Available
(Divide-by-n of fRING-S)
x 4
n : 1, 2, 4 and 8
Voltage Detection 1
Vdet2
Whether passing
through Vdet2 by rising
or falling
VCA13 bit in VCA1
register
Whether VCC is higher
or lower than Vdet2
Reset at Vdet2 > VCC
Restart CPU operation
after a specified time
Voltage Monitor 2
Interrupt
Interrupt request at
Vdet2 > VCC and VCC >
Vdet2 when digital filter
is enabled ;
Interrupt request at
Vdet2 > VCC or VCC >
Vdet2 when digital filter
is disabled
Available
(Divide-by-n of fRING-S)
x 4
n : 1, 2, 4 and 8
6. Voltage Detection Circuit
Voltage Detection 2
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