UPD70F3786GJ-GAE-AX Renesas Electronics America, UPD70F3786GJ-GAE-AX Datasheet - Page 1501

• Manufacturer Part Number: UPD70F3786GJ-GAE-AX
• Description: MCU 32BIT V850ES/JX3-E 144-LQFP
• Manufacturer: Renesas Electronics America
• Series: V850ES/Jx3-Er

Specifications of UPD70F3786GJ-GAE-AX

• Core Processor: RISC
• Core Size: 32-Bit
• Speed: 50MHz
• Connectivity: CAN, CSI, EBI/EMI, Ethernet, I²C, UART/USART, USB
• Peripherals: DMA, LVD, PWM, WDT
• Number Of I /o: 100
• Program Memory Size: 512KB (512K x 8)
• Program Memory Type: FLASH
• Ram Size: 124K x 8
• Voltage - Supply (vcc/vdd): 2.85 V ~ 3.6 V
• Data Converters: A/D 12x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

// Calculate the set value of the hash table.
#include <stdio.h>
unsigned long crc32_for_ethernet( const unsigned char *data, int size );
// Address to be calculated
const unsigned char DA[] = { 0x12, 0x34, 0x56, 0x78, 0x9A, 0xBC };
int main( void ){\
// Calculate the CRC.
unsigned long crc32_for_ethernet( const unsigned char *p, int size ){
}
unsigned long crc;
printf("\nDA: ");
crc = crc32_for_ethernet( DA, sizeof(DA) );
printf("-----------------------------------------------\n");
printf("CRC = %02X,%02X,%02X,%02X¥n", (crc>>24)&0xff, (crc>>16)&0xff, (crc>>8)&0xff,
crc&0xff );
printf("CRC[28:26] = %X, CRC[25:23] = %X \n", (crc>>26)&0x07, (crc>>23)&0x07 );
printf("\n");
return(1);
}
int i,j;
const unsigned long poly = 0xEDB88320ul; // BigEndian
unsigned long crc = 0xffffffff;
unsigned long ans = 0x00000000;
unsigned char c;
for( j = 0; size-- != 0 ; j++ ) {
if ( j != 0 ) printf("\n");
crc = ~crc;
for( i = 0; i < 4; i++ ){
return( ans );
c = *p++;
printf("%02X " , c );
if ( j == 15 ) {
for ( i = 0; i < 8; i++ ) {
}
ans = (ans << 8) | (crc & 0x000000fful);
crc >>= 8;
}
j = 0;
printf("\n");
}
crc = (crc>>1)^(((crc^c)&1)? poly : 0ul );
c >>= 1;
}
CHAPTER 23 ETHERNET CONTROLLER
User’s Manual U19601EJ2V0UD
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