R5F21257SNFP#U0 Renesas Electronics America, R5F21257SNFP#U0 Datasheet - Page 206

• 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: -

R8C/24 Group, R8C/25 Group
Rev.3.00
REJ09B0244-0300
Figure 14.36
Timer RD Digital Filter Function Select Register i (i = 0 or 1)
b7 b6 b5 b4
Feb 29, 2008
b3 b2
Registers TRDDF0 to TRDDF1 in Input Capture Function
b1 b0
Bit Symbol
TRDDF0
TRDDF1
(b5-b4)
Symbol
DFCK0
DFCK1
DFA
DFB
DFC
DFD
Page 187 of 485
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TRDIOA pin digital filter function
select bit
TRDIOB pin digital filter function
select bit
TRDIOC pin digital filter function
select bit
TRDIOD pin digital filter function
select bit
Nothing is assigned. If necessary, set to 0.
When read, the content is 0.
Clock select bits for digital filter
function
Address
Bit Name
013Eh
013Fh
b7 b6
0 0 : f32
0 1 : f8
1 0 : f1
1 1 : Count source (clock selected by
0 : Function is not used
1 : Function is used
0 : Function is not used
1 : Function is used
0 : Function is not used
1 : Function is used
0 : Function is not used
1 : Function is used
bits TCK2 to TCK0 in the
TRDCRi register)
After Reset
Function
00h
00h
14. Timers
RW
RW
RW
RW
RW
RW
RW
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