R5F21257SNFP#U0 Renesas Electronics America, R5F21257SNFP#U0 Datasheet - Page 229
R5F21257SNFP#U0
Manufacturer Part Number
R5F21257SNFP#U0
Description
IC R8C/25 MCU FLASH 52LQFP
Manufacturer
Renesas Electronics America
Series
R8C/2x/25r
Specifications of R5F21257SNFP#U0
Core Processor
R8C
Core Size
16/32-Bit
Speed
20MHz
Connectivity
I²C, LIN, SIO, SSU, UART/USART
Peripherals
POR, Voltage Detect, WDT
Number Of I /o
41
Program Memory Size
48KB (48K x 8)
Program Memory Type
FLASH
Ram Size
2.5K x 8
Voltage - Supply (vcc/vdd)
2.2 V ~ 5.5 V
Data Converters
A/D 12x10b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 85°C
Package / Case
52-LQFP
For Use With
R0K521256S000BE - KIT EVAL STARTER FOR R8C/25
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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R8C/24 Group, R8C/25 Group
Rev.3.00
REJ09B0244-0300
14.3.6.1
The TRDGRCi register can be used for output control of the TRDIOAi pin, and the TRDGRDi register can be
used for output control of the TRDIOBi pin. Therefore, each pin output can be controlled as follows:
Change output pins in registers TRDGRCi and TRDGRDi as follows:
Figure 14.61 shows an Operating Example When TRDGRCi Register is Used for Output Control of TRDIOAi
Pin and TRDGRDi Register is Used for Output Control of TRDIOBi Pin.
• TRDIOAi output is controlled by the values in registers TRDGRAi and TRDGRCi.
• TRDIOBi output is controlled by the values in registers TRDGRBi and TRDGRDi.
• Select 0 (change TRDGRji register output pin) by the IOj3 (j = C or D) bit in the TRDIORCi register.
• Set the BFji bit in the TRDMR register to 0 (general register).
• Set different values in registers TRDGRCi and TRDGRAi. Also, set different values in registers
Feb 29, 2008
TRDGRDi and TRDGRBi.
Changing Output Pins in Registers TRDGRCi (i = 0 or 1) and TRDGRDi
Page 210 of 485
14. Timers
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