R5F21257SNFP#U0 Renesas Electronics America, R5F21257SNFP#U0 Datasheet - Page 252

• 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 14.81
Figure 14.82
Timer RD Interrupt Enable Register i (i = 0 or 1)
Timer RD Counter 0
(b15)
b7 b6 b5 b4
b7
NOTES:
1.
2. The TRD1 register is not used in reset synchronous PWM mode.
Access the TRD0 register in 16-bit units. Do not access it in 8-bit units.
Feb 29, 2008
b3 b2
Registers TRDIER0 to TRDIER1 in Reset Synchronous PWM Mode
TRD0 Registrar in Reset Synchronous PWM Mode
b1 b0
(b8)
b0
b7
Count a count source. Count operation is incremented.
When an overflow occurs, the OVF bit in the TRDSR0 register is set to 1.
(1, 2)
Bit Symbol
TRDIER0
TRDIER1
(b7-b5)
Symbol
IMIEA
IMIEB
IMIEC
IMIED
OVIE
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Input capture/compare match
interrupt enable bit A
Input capture/compare match
interrupt enable bit B
Input capture/compare match
interrupt enable bit C
Input capture/compare match
interrupt enable bit D
Overflow /underflow interrupt enable
bit
Nothing is assigned. If necessary, set to 0.
When read, the content is 1.
b0
Symbol
TRD0
Address
Bit Name
0144h
0154h
Function
0147h-0146h
Address
0 : Disable interrupt (IMIA) by the
1 : Enable interrupt (IMIA) by the
0 : Disable interrupt (IMIB) by the
1 : Enable interrupt (IMIB) by the
0 : Disable interrupt (IMIC) by the
1 : Enable interrupt (IMIC) by the
0 : Disable interrupt (IMID) by the
1 : Enable interrupt (IMID) by the
0 : Disable interrupt (OVI) by the
1 : Enable interrupt (OVI) by the
IMFA bit
IMFA bit
IMFB bit
IMFB bit
IMFC bit
IMFC bit
IMFD bit
IMFD bit
OVF bit
OVF bit
After Reset
11100000b
11100000b
Function
0000h to FFFFh
Setting Range
After Reset
0000h
14. Timers
RW
RW
RW
RW
RW
RW
RW
RW
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