UPD70F3738GF-GAS-AX Renesas Electronics America, UPD70F3738GF-GAS-AX Datasheet - Page 889

• Manufacturer Part Number: UPD70F3738GF-GAS-AX
• Description: MCU 32BIT V850ES/JX3-L 100-LQFP
• Manufacturer: Renesas Electronics America
• Series: V850ES/Jx3-Lr

Specifications of UPD70F3738GF-GAS-AX

• Core Processor: RISC
• Core Size: 32-Bit
• Speed: 20MHz
• Connectivity: CSI, EBI/EMI, I²C, UART/USART
• Peripherals: DMA, LVD, PWM, WDT
• Number Of I /o: 84
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 16K x 8
• Voltage - Supply (vcc/vdd): 2.2 V ~ 3.6 V
• Data Converters: A/D 12x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

27.1 Functions
27.2 Configuration
• Generation of CRC (Cyclic Redundancy Check) code for detecting errors in communication data
• Generation of CRC code for detecting errors in data blocks
• Generation of 16-bit CRC code using a CRC-CCITT (X
• CRC code is set to the CRC data register each time 1-byte data is transferred to the CRCIN register, after the
The CRC function includes the following hardware.
of any length in 8-bit units
initial value is set to the CRCD register.
Control registers
Item
CRC input register (CRCIN)
CRC data register (CRCD)
Figure 27-1. Block Diagram of CRC Function
CRC input register (CRCIN) (8 bits)
CHAPTER 27 CRC FUNCTION
Table 27-1. CRC Configuration
CRC data register (CRCD) (16 bits)
User’s Manual U18953EJ5V0UD
CRC code generator
Internal bus
Internal bus
16
+ X
Configuration
12
+ X
5
+ 1) generation polynomial for blocks of data
887