UPD70F3738GF-GAS-AX Renesas Electronics America, UPD70F3738GF-GAS-AX Datasheet - Page 947

• 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: -

31.3 ROM Security Function
31.3.1 Security ID
contents of the flash memory from being read by an unauthorized person during on-chip debugging by the on-chip
debug emulator.
perform ID authentication.
enabled.
Caution After the flash memory is erased, 1 is written to the entire area.
The flash memory versions of the V850ES/JG3-L perform authentication using a 10-byte ID code to prevent the
Set the ID code in the 10-byte internal flash memory area from 0000070H to 0000079H to allow the debugger
If the IDs match, the security is released and reading the flash memory and using the on-chip debug emulator are
• Set the 10-byte ID code to 0000070H to 0000079H.
• Bit 7 of 0000079H is the on-chip debug emulator enable flag.
• When the on-chip debug emulator is started, the debugger requests ID input. When the ID code input to the
• Debugging cannot be performed if the on-chip debug emulator enable flag is 0, even if the ID codes match.
(0: Disable, 1: Enable)
debugger and the ID code set in 0000070H to 0000079H match, the debugger starts.
CHAPTER 31 ON-CHIP DEBUG FUNCTION
0 0 0 0 0 7 9 H
0 0 0 0 0 7 0 H
0 0 0 0 0 0 0 H
Figure 31-6. Security ID Area
User’s Manual U18953EJ5V0UD
Security ID
(10 bytes)
945