UPD70F3740GC-UEU-AX Renesas Electronics America, UPD70F3740GC-UEU-AX Datasheet - Page 73

• Manufacturer Part Number: UPD70F3740GC-UEU-AX
• Description: MCU 32BIT V850ES/JX3 100-LQFP
• Manufacturer: Renesas Electronics America
• Series: V850ES/Jx3r

Specifications of UPD70F3740GC-UEU-AX

• Core Processor: RISC
• Core Size: 32-Bit
• Speed: 32MHz
• Connectivity: CSI, EBI/EMI, I²C, UART/USART
• Peripherals: DMA, LVD, PWM, WDT
• Number Of I /o: 84
• Program Memory Size: 512KB (512K x 8)
• Program Memory Type: FLASH
• Ram Size: 40K x 8
• Voltage - Supply (vcc/vdd): 2.85 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: -

V850ES/JG3
3.4.7
V850ES/JG3 has the following eight special registers.
application system does not inadvertently stop due to a program hang-up. A write access to the special registers is made
in a specific sequence, and an illegal store operation is reported to the SYS register.
R01UH0015EJ0300 Rev.3.00
Sep 30, 2010
Special registers are registers that are protected from being written with illegal data due to a program hang-up. The
• Power save control register (PSC)
• Clock control register (CKC)
• Processor clock control register (PCC)
• Clock monitor mode register (CLM)
• Reset source flag register (RESF)
• Low-voltage detection register (LVIM)
• Internal RAM data status register (RAMS)
• On-chip debug mode register (OCDM)
In addition, the PRCDM register is provided to protect against a write access to the special registers so that the
Special registers
CHAPTER 3 CPU FUNCTION
Page 57 of 870