R5F21162SP#U0 Renesas Electronics America, R5F21162SP#U0 Datasheet - Page 110
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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R8C/16 Group, R8C/17 Group
Rev.2.10
REJ09B0169-0210
13.1.5
Table 13.6
NOTES:
Count Source
Count Operation
Count Start Condition
Count Stop Condition
Interrupt Request
Generation Timing
INT10/CNTR00,
INT11/CNTR01 Signal
Pin Function
CNTR0 Pin Function
Read from Timer
Write to Timer
Select Function
1. Input the pulse whose period is longer than twice of the prescaler X period. Input the longer pulse for
Pulse period measurement mode is mode to measure the pulse period of an external signal which
inputs from the INT1/CNTR0 pin (See Table 13.6 Specification of Pulse Period Measurement
Mode). Figure 13.9 shows the TXMR Register in Pulse Period Measurement Mode. Figure 13.10
shows an Operating Example in Pulse Period Measurement Mode.
“H” width and “L” width than the prescaler X period. If the shorter pulse than the period is input to the
CNTR0 pin, the input may be disabled.
Jan 19, 2006
Pulse Period Measurement Mode
Item
Specification of Pulse Period Measurement Mode
Page 95 of 254
f1, f2, f8, fRING
• Decrement
• After an active edge of measurement pulse is input, contents for the read-out
Write “0” (count stops) to the TXS bit in the TXMR register
• When timer X underflows or reloads [timer X interrupt]
• Rising or falling of CNTR0 input (end of measurement period) [INT1 interrupt]
Measurement pulse input
Programmable I/O port
Contents in the read-out buffer can be read by reading the TX register. The
value retained in the read-out buffer is released by reading the TX register.
• When writing to the TX and PREX registers while the count stops, the value
• When writing to the TX and PREX registers during the count, the value is
• INT1/CNTR0 polarity switch function
• Measurement pulse input pin select function
Write “1” (count starts) to the TXS bit in the TXMR register
buffer are retained at the first underflow of prescaler X. Then timer X reloads
contents in the reload register at the second underflow of prescaler X and
continues counting.
is written to both the reload register and counter.
written to each reload register of the TX and PREX registers at the following
count source input and the data is transferred to the counter at the second
count source input and the count re-starts at the third count source input.
The R0EDG bit can select the measurement period of input pulse.
The CNTRSEL bit in the UCON register can select the CNTR00 or CNTR01
pin.
(1)
(INT1 interrupt input)
Specification
13. Timers
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