R5F21162SP#U0 Renesas Electronics America, R5F21162SP#U0 Datasheet - Page 36
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
-
- Current page: 36 of 281
- Download datasheet (4Mb)
R8C/16 Group, R8C/17 Group
Rev.2.10
REJ09B0169-0210
5.1
5.1.1
5.1.2
A reset is applied using the RESET pin. When an “L” signal is applied to the RESET pin while the power
supply voltage meets the recommended performance condition, the pins, CPU and SFR are reset (refer
to Table 5.2 Pin Status after Reset). When the input level applied to the RESET pin changes “L” to “H”,
the program is executed beginning with the address indicated by the reset vector. After reset, the low-
speed on-chip oscillator clock divide-by-8 is automatically selected for the CPU clock.
Refer to 4. Special Function Register (SFR) for the status of the SFR after reset.
The internal RAM is not reset. If the RESET pin is pulled “L” during writing to the internal RAM, the
internal RAM will be in indeterminate state.
Figure 5.4 shows the Example of Hardware Reset Circuit and Operation and Figure 5.5 shows the
Example of Hardware Reset Circuit (Use Example of External Power Supply Voltage Detection Circuit)
and Operation.
Hardware Reset
(1) Apply an “L” signal to the RESET pin.
(2) Wait for 500µs (1/fRING-S×20).
(3) Apply an “H” signal to the RESET pin.
(1) Apply an “L” signal to the RESET pin.
(2) Let the power supply voltage increase until it meets the recommended performance condition.
(3) Wait for td(P-R) or more until the internal power supply stabilizes (Refer to 19. Electrical
(4) Wait for 500µs (1/fRING-S×20).
(5) Apply an “H” signal to the RESET pin.
Jan 19, 2006
When the power supply is stable
Power on
Characteristics).
Page 21 of 254
5. Reset
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