R5F21346CNFP#U0 Renesas Electronics America, R5F21346CNFP#U0 Datasheet - Page 536

• Manufacturer Part Number: R5F21346CNFP#U0
• Description: MCU 1KB FLASH 32K ROM 48-LQFP
• Manufacturer: Renesas Electronics America
• Series: R8C/3x/34Cr

Specifications of R5F21346CNFP#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: 43
• Program Memory Size: 32KB (32K x 8)
• Program Memory Type: FLASH
• Ram Size: 2.5K x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Data Converters: A/D 12x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 85°C
• Package / Case: 48-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

R8C/34C Group
REJ09B0586-0100 Rev.1.00 Jan 13, 2010
Page 503 of 723
Figure 25.1
Table 25.2
SSI
SCS
SSCK
SSO
Pin Name
Pin Configuration of Synchronous Serial Communication Unit
Block Diagram of Synchronous Serial Communication Unit
SSCK
SSO
SCS
SSI
P3_3, P3_4, or P1_6
P3_3 or P3_4
P3_5
P3_7
Assigned Pin
i = 4, 8, 16, 32, 64, 128, or 256
Selector
Transmit/receive
Internal clock (f1/i)
control circuit
Multiplexer
I/O
I/O
I/O
I/O
I/O
Interrupt requests
(TXI, TEI, RXI, OEI, and CEI)
25. Synchronous Serial Communication Unit (SSU)
Internal clock
generation
circuit
Data I/O pin
Chip-select signal I/O pin
Clock I/O pin
Data I/O pin
f1
SSTRSR register
SSCRH register
SSMR2 register
SSTDR register
SSRDR register
SSCRL register
SSMR register
SSER register
SSSR register
Function