R5F21294SNSP#U0 Renesas Electronics America, R5F21294SNSP#U0 Datasheet - Page 238

• Manufacturer Part Number: R5F21294SNSP#U0
• Description: MCU 3/5V 16K+2K 20PIN-SSOP
• Manufacturer: Renesas Electronics America
• Series: M16C™ M16C/R8C/Tiny/29r

Specifications of R5F21294SNSP#U0

• Core Processor: R8C
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: I²C, LIN, SIO, SSU, UART/USART
• Peripherals: LED, POR, Voltage Detect, WDT
• Number Of I /o: 13
• Program Memory Size: 16KB (16K x 8)
• Program Memory Type: FLASH
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 2.2 V ~ 5.5 V
• Data Converters: A/D 4x10b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 85°C
• Package / Case: 20-SSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

R8C/28 Group, R8C/29 Group
Rev.2.10
REJ09B0279-0210
Figure 14.64
Figure 14.65
Timer RE Hour Data Register
Timer RE Day of Week Data Register
b7 b6 b5 b4
b7 b6 b5 b4 b3 b2
Sep 26, 2008
b3 b2
b1 b0
TREHR Register in Real-Time Clock Mode
TREWK Register in Real-Time Clock Mode
b1 b0
Bit Symbol
Bit Symbol
Symbol
TREHR
TREWK
(b6-b3)
Symbol
HR00
HR01
HR02
HR03
HR10
HR11
BSY
(b6)
WK0
WK2
WK1
BSY
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1st digit of hour count bits
2nd digit of hour count bits
Nothing is assigned. If necessary, set to 0.
When read, the content is 0.
Timer RE busy flag
Day of w eek count bits
Nothing is assigned. If necessary, set to 0.
When read, the content is 0.
Timer RE busy flag
Address
Bit Name
011Ah
Address
Bit Name
011Bh
Count 0 to 9 every hour. When the
digit moves up, 1 is added to the 2nd
digit of hour.
Count 0 to 1 w hen the H12_H24 bit is
set to 0 (12-hour mode).
Count 0 to 2 w hen the H12_H24 bit is
set to 1 (24-hour mode).
This bit is set to 1 w hile registers TRESEC,
TREMIN, TREHR, and TREWK are updated.
b2 b1 b0
0 0 0 : Sunday
0 0 1 : Monday
0 1 0 : Tuesday
0 1 1 : Wednesday
1 0 0 : Thursday
1 0 1 : Friday
1 1 0 : Saturday
1 1 1 : Do not set
This bit is set to 1 w hile registers TRESEC,
TREMIN, TREHR, and TREWK are updated.
After Reset
Function
00h
After Reset
Function
00h
0 to 9
(BCD
code)
0 to 2
(BCD
code)
Setting
Range
14. Timers
RW
RW
RW
RW
RO
RW
RW
RW
RW
RW
RW
RW
RO
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