R5F21346CNFP#U0 Renesas Electronics America, R5F21346CNFP#U0 Datasheet - Page 457

• Manufacturer Part Number: R5F21346CNFP#U0
• Description: MCU 1KB FLASH 32K ROM 48-LQFP
• Manufacturer: Renesas Electronics America
• Series: R8C/3x/34Cr

Specifications of R5F21346CNFP#U0

• 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: 43
• Program Memory Size: 32KB (32K x 8)
• Program Memory Type: FLASH
• Ram Size: 2.5K x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Data Converters: A/D 12x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 85°C
• Package / Case: 48-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

R8C/34C Group
REJ09B0586-0100 Rev.1.00 Jan 13, 2010
Page 424 of 723
Figure 21.3
21.2.9
Operating Example
(when MNIE bit in TRECR2 register is set
(when SEIE bit in TRECR2 register is set
to 1 (enable periodic interrupt triggered
to 1 (enable periodic interrupt triggered
Operating Example in Real-Time Clock Mode
BSY: Bit in registers TRESEC, TREMIN, TREHR, and TREWK
IR bit in TREIC register
IR bit in TREIC register
Bits MN12 to MN00 in
Bits HR11 to HR00 in
Bits SC12 to SC00 in
Bits WK2 to WK0 in
TRESEC register
TRECR1 register
TREMIN register
TREWK register
TREHR register
every second))
every minute))
PM bit in
BSY bit
(Not changed)
(Not changed)
(Not changed)
58
62.5 ms
Approx.
03
Set to 0 by acknowledgement
of interrupt request
59
or a program
1s
62.5 ms
Approx.
00
04
21. Timer RE