R5F21292SNSP#U0 Renesas Electronics America, R5F21292SNSP#U0 Datasheet - Page 99
![MCU 3/5V 16K+2K 20PIN-SSOP](/photos/28/60/286095/20-lssop_sml.jpg)
R5F21292SNSP#U0
Manufacturer Part Number
R5F21292SNSP#U0
Description
MCU 3/5V 16K+2K 20PIN-SSOP
Manufacturer
Renesas Electronics America
Series
M16C™ M16C/R8C/Tiny/29r
Datasheet
1.R5F21282SNSPU0.pdf
(473 pages)
Specifications of R5F21292SNSP#U0
Core Processor
R8C
Core Size
16-Bit
Speed
20MHz
Connectivity
I²C, LIN, SIO, SSU, 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)
2.2 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
R0K521276S000BE - KIT DEV RSK-R8C/26-29
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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R8C/28 Group, R8C/29 Group
Rev.2.10
REJ09B0279-0210
Figure 10.9
Voltage Detection Register 2
b7 b6 b5 b4
NOTES:
1.
2.
3.
4.
5. Use the VCA20 bit only w hen entering to w ait mode. To set the VCA20 bit, follow the procedure show n in Figure
0 0
Set the PRC3 bit in the PRCR register to 1 (w rite enable) before w riting to the VCA2 register.
To use the voltage monitor 1 reset, set the VCA26 bit to 1.
After the VCA26 bit is set to 1 from 0, the voltage detection circuit w aits for td(E-A) to elapse before starting
operation.
To use the voltage monitor 2 interrupt/reset or the VCA13 bit in the VCA1 register, set the VCA27 bit to 1.
After the VCA27 bit is set to 1 from 0, the voltage detection circuit w aits for td(E-A) to elapse before starting
operation.
Softw are reset, w atchdog timer reset, or voltage monitor 2 reset do not affect this register.
10.10 Procedure for Enabling Reduced Internal Pow er Consum ption Using VCA20 bit.
Sep 26, 2008
b3 b2 b1 b0
0 0 0
VCA2 Register (J, K Version)
Bit Symbol
VCA20
(b5-b1)
VCA26
VCA27
Symbol
VCA2
Page 80 of 441
—
(1)
(J, K Version)
Internal pow er low
consumption enable bit
Reserved bits
Voltage detection 1 enable
bit
Voltage detection 2 enable
bit
(2)
(3)
Address
Bit Name
0032h
(5)
The LVD1ON bit in the OFS register is
set to 1 and hardw are reset
Pow er-on reset, voltage monitor 1 reset
or LVD1ON bit in the OFS register is
set to 0, and hardw are reset
0 : Disables low consumption
1 : Enables low consumption
Set to 0.
0 : Voltage detection 1 circuit disabled
1 : Voltage detection 1 circuit enabled
0 : Voltage detection 2 circuit disabled
1 : Voltage detection 2 circuit enabled
After Reset
Function
10. Clock Generation Circuit
(4)
: 00h
: 0100000b
RW
RW
RW
RW
RW
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