R5F21324CNSP#U0 Renesas Electronics America, R5F21324CNSP#U0 Datasheet - Page 423

• 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 394 of 573
25.2
25.2.1
Notes:
25.2.2
After Reset
1. When the MSTIIC bit is set to 1 (standby), any access to the SSU or the I
2. When the MSTTRC bit is set to 1 (standby), any access to the timer RC associated registers (addresses 0120h
After Reset
Bit
b0
b1
b2
b3
b4
b5
b6
b7
Bit
b0
b1
b2
b3
b4
b5
b6
b7
Address 0008h
Address 018Ch
0193h to 019Dh) is disabled.
to 0133h) is disabled.
Symbol
Symbol
Registers
MSTTRD Power consumption reduce bit
MSTTRC Timer RC standby bit
Symbol
MSTIIC SSU, I
Symbol
IICSEL
Bit
Bit
Module Standby Control Register (MSTCR)
SSU/IIC Pin Select Register (SSUIICSR)
—
—
—
—
—
—
—
—
—
—
—
—
b7
b7
—
—
0
0
Nothing is assigned. If necessary, set to 0. When read, the content is 0.
Nothing is assigned. If necessary, set to 0. When read, the content is 0.
SSU/I
Reserved bit
Nothing is assigned. If necessary, set to 0. When read, the content is 0.
Reserved bits
2
2
C bus standby bit
C bus switch bit
b6
b6
—
—
0
0
Bit Name
Bit Name
MSTTRC MSTTRD MSTIIC
b5
b5
—
0
0
b4
b4
—
0
0
0: SSU function selected
1: I
Set to 0.
Set to 0.
b3
b3
—
0
0
0: Active
1: Standby
Set to 1.
The power consumption can be reduced.
0: Active
1: Standby
2
C bus function selected
b2
b2
—
—
0
0
(1)
(2)
2
C bus associated registers (addresses
Function
Function
b1
—
b1
—
0
0
IICSEL
b0
b0
—
0
0
25. I
2
C bus Interface
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
—
—
—