R5F21324ANSP#U1 Renesas Electronics America, R5F21324ANSP#U1 Datasheet - Page 303
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 273 of 583
19.9.5
19.9.6
19.9.7
•
Switching procedure
(1) Set the TSTART bit in the TRCMR register to 0 (count stops).
(2) Change the settings of bits TCK2 to TCK0 in the TRCCR1 register.
(3) Wait for a minimum of two cycles of fOCO-F.
(4) Set the FRA00 bit in the FRA0 register to 0 (high-speed on-chip oscillator off).
•
Switching procedure
(1) Set the TSTART bit in the TRCMR register to 0 (count stops).
(2) Change the settings of bits TCK2 to TCK0 in the TRCCR1 register.
(3) Wait for a minimum of one cycle of fOCO-F + fOCO40M.
(4) Set the FRA00 bit in the FRA0 register to 0 (high-speed on-chip oscillator off).
•
•
When the CSEL bit in the TRCCR2 register is set to 1 (count stops at compare match with the TRCGRA
register), do not set the TRCMR register at compare match timing of registers TRC and TRCGRA.
The count source fOCO40M can be used with supply voltage VCC = 2.7 to 5.5 V. For supply voltage other than
that, do not set bits TCK2 to TCK0 in the TRCCR1 register to 110b (select fOCO40M as the count source).
After switching the count source from fOCO-F to fOCO40M, allow a minimum of two cycles of fOCO-F to
elapse after changing the clock setting before stopping fOCO-F.
After switching the count source from fOCO-F to a clock other than fOCO40M, allow a minimum of one
cycle of fOCO-F + fOCO40M to elapse after changing the clock setting before stopping fOCO-F.
The pulse width of the input capture signal should be three cycles or more of the timer RC operation clock
(refer to Table 19.1 Timer RC Operation Clock).
The value of the TRC register is transferred to the TRCGRj register one or two cycles of the timer RC
operation clock after the input capture signal is input to the TRCIOj (j = A, B, C, or D) pin (when the digital
filter function is not used).
Input Capture Function
TRCMR Register in PWM2 Mode
Count Source fOCO40M
Preliminary specification
Specifications in this manual are tentative and subject to change.
Nov 05, 2008
19. Timer RC
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