R5F21324CNSP#U0 Renesas Electronics America, R5F21324CNSP#U0 Datasheet - Page 308

• Manufacturer Part Number: R5F21324CNSP#U0
• Description: MCU 1KB FLASH 16K ROM 20-LSSOP
• Manufacturer: Renesas Electronics America
• Series: R8C/3x/32Cr

Specifications of R5F21324CNSP#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: 15
• Program Memory Size: 16KB (16K x 8)
• Program Memory Type: FLASH
• Ram Size: 1.5K x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Data Converters: A/D 4x10b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 85°C
• Package / Case: 20-LSSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

R8C/32C Group
REJ09B0573-0100 Rev.1.00 Dec. 18, 2009
Page 279 of 573
20.2.3
20.2.4
After Reset
After Reset
Bit
b0
b1
b2
b3
b4
b5
b6
b7
Bit
b0
b1
b2
b3
b4
b5
b6
b7
Address 011Ah
Address 011Bh
Symbol
Symbol
Symbol
Symbol
Bit
Bit
HR00
HR01
HR02
HR03
HR10
HR11
WK0
WK1
WK2
BSY
BSY
Timer RE Hour Data Register (TREHR) in Real-Time Clock Mode
Timer RE Day of Week Data Register (TREWK) in Real-Time Clock Mode
—
—
—
—
—
BSY
BSY
b7
b7
0
0
1st digit of hour count bit
2nd digit of hour count bit
Nothing is assigned. If necessary, set to 0. When read, the content is 0.
Timer RE busy flag
Day of week count bit
Nothing is assigned. If necessary, set to 0. When read, the content is 0.
Timer RE busy flag
b6
b6
—
—
0
0
Bit Name
Bit Name
HR11
b5
b5
—
0
0
HR10
b4
b4
—
0
0
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 while registers TRESEC, TREMIN,
TREHR, and TREWK are updated.
b2 b1 b0
This bit is set to 1 while registers TRESEC, TREMIN,
TREHR, and TREWK are updated.
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.
HR03
b3
b3
—
0
0
Function
HR02
WK2
b2
b2
0
0
Function
HR01
WK1
b1
b1
0
0
HR00
WK0
b0
b0
0
0
0 to 9
(BCD code)
0 to 2
(BCD code)
Setting Range
20. Timer RE
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
—
—
R
R