R5F21324ANSP#U1 Renesas Electronics America, R5F21324ANSP#U1 Datasheet - Page 392

• Manufacturer Part Number: R5F21324ANSP#U1
• Description: MCU 1KB FLASH 16K ROM 20-LSSOP
• Manufacturer: Renesas Electronics America
• Series: R8C/3x/32Ar

Specifications of R5F21324ANSP#U1

• 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: -

Under development
R8C/32A Group
REJ09B0458-0020 Rev.0.20
Page 362 of 583
24.2
24.2.1
Notes:
24.2.2
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
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)
—
—
—
—
—
—
—
—
—
—
—
—
Preliminary specification
Specifications in this manual are tentative and subject to change.
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
Nov 05, 2008
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
24. Synchronous Serial Communication Unit (SSU)
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
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
—
—
—