R5F21324ANSP#U1 Renesas Electronics America, R5F21324ANSP#U1 Datasheet - Page 434

• 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 404 of 583
Figure 25.3
25.3.2
• SDADLY1 to SDADLY0 = 00b
• SDADLY1 to SDADLY0 = 01b
• SDADLY1 to SDADLY0 = 10b
SDA
SDA
SDA
The digital delay value for the SDA pin can be selected by bits SDADLY0 to SDADLY1 in the PINSR register.
Figure 25.3 shows the Operating Example of Digital Delay for SDA Pin.
SCL
(3 × f1 cycles)
(11 × f1 cycles)
(19 × f1 cycles)
SDADLY0 to SDADLY1: Bits in PINSR register
“H”
“H”
“H”
“H”
“L”
“L”
“L”
“L”
SDA Pin Digital Delay Selection
Preliminary specification
Specifications in this manual are tentative and subject to change.
Operating Example of Digital Delay for SDA Pin
Nov 05, 2008
3 × f1 cycles
11 × f1 cycles
19 × f1 cycles
20 µ s (Transfer Rate = 50 kHz)
300 ns (f1 = 10 MHz)
1.1 µ s (f1 = 10 MHz)
0.95 µ s (f1 = 20 MHz)
25. I
2
C bus Interface