Renesas R7S721011VLBG#AC0

Overview

R7S721011VLBG#AC0 from Renesas Electronics is a high-performance 32-bit ARM Cortex-A9 microprocessor in the RZ/A1H Group, integrating 10 MB on-chip SRAM, dual-channel 16-bit DDR2/DDR3L SDRAM controller, and hardware-accelerated 2D graphics engine. It operates at up to 400 MHz, supports Linux and Android OS, and targets embedded HMI applications requiring rich GUI, real-time response, and secure boot.

For engineers reviewing the R7S721011VLBG#AC0 datasheet, R7S721011VLBG#AC0 pinout, R7S721011VLBG#AC0 application, or R7S721011VLBG#AC0 equivalent, key selection criteria include its integrated SRAM size, DDR interface compatibility, boot mode flexibility (SPI/NAND/SD), security features (TrustZone, AES-128), and package-specific thermal performance in the 324-pin LFBGA (15 mm × 15 mm, 0.65 mm pitch).

Technical Context

The R7S721011VLBG#AC0 implements a dual-core ARM Cortex-A9 MPCore CPU with NEON and VFPv4 extensions, coupled with a 512 KB L2 cache and tightly coupled memory subsystem. Its AXI-based internal bus architecture includes dedicated north/south main buses, configurable remapping logic, and AXI interconnect supporting concurrent master access from CPU, DMA, and peripherals.

It integrates a programmable clock pulse generator with PLLs for system, USB, audio, and video clocks; a 12-channel interrupt controller with priority nesting; and hardware accelerators for JPEG encode/decode, 2D graphics (GC320), and cryptographic operations (AES-128, SHA-1/256, RSA-2048). Boot configuration is determined by dedicated pins (MD[3:0]) selecting SPI flash, NAND flash, SD card, or serial interface modes.

Key Specifications

Pinout & Package

Package: 324-pin Low-Profile Fine-Pitch Ball Grid Array (LFBGA), 15 mm × 15 mm body, 0.65 mm ball pitch, 1.0 mm height, RoHS-compliant, lead-free.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar high-integration ARM-based HMI processor applications.

Compared with R7S721011VLBG#AC0, the R7S721021VCBG#AC0 reduces SRAM and removes graphics acceleration to lower cost, while the R7S921011VCBG#AC0 shifts focus toward vision and connectivity at the expense of integrated HMI-optimized resources like large SRAM and GC320.

Availability

R7S721011VLBG#AC0 is available at Aetrix Electronics and suitable for industrial HMI panels, medical display terminals, smart retail kiosks, and building access systems requiring stable component supply, long-term lifecycle support, and qualified automotive-grade packaging.

Supply support for R7S721011VLBG#AC0 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Renesas Electronics Corporation is a Japanese semiconductor manufacturer specializing in microcontrollers, microprocessors, analog, and power management ICs for industrial, automotive, and enterprise applications.

The RZ/A series - including R7S721011VLBG#AC0 - was designed specifically for human-machine interface applications demanding rich graphics, fast boot, secure firmware, and Linux/Android compatibility without external DRAM.

FAQ

What is the maximum operating frequency of the R7S721011VLBG#AC0?

The R7S721011VLBG#AC0 operates at a maximum CPU frequency of 400 MHz under specified voltage (1.0–1.1 V) and temperature (–40°C to +85°C) conditions. This frequency is achieved using the on-chip PLL driven by a 12–24 MHz crystal input, and is validated across all process corners in the RZ/A1H Group qualification. The R7S721011VLBG#AC0 maintains this performance while supporting full L1/L2 cache coherency and DDR2/3L interface timing compliance.

Does the R7S721011VLBG#AC0 include on-chip SRAM, and how is it used in system design?

Yes, the R7S721011VLBG#AC0 integrates 10 MB of on-chip SRAM, mapped into the ARM physical address space and accessible as unified memory for code, data, and frame buffers. In system design, this eliminates the need for external SDRAM in many HMI applications - enabling faster boot times (<300 ms), reduced power consumption, and simplified PCB layout. The R7S721011VLBG#AC0 supports configurable memory protection units (MPUs) to partition SRAM regions between secure and non-secure worlds when TrustZone is enabled.

Which boot media does the R7S721011VLBG#AC0 support, and how is boot mode selected?

The R7S721011VLBG#AC0 supports booting from SPI flash, NAND flash, SD card, and serial interface (UART/I²C), selected via the MD[3:0] pin states sampled at power-on reset. No external configuration EEPROM or firmware is needed - boot mode is hardwired by pull-up/down resistors on these four pins. The R7S721011VLBG#AC0 includes ROM-resident first-stage bootloader (FSBL) that validates signed images before loading second-stage software, ensuring secure boot chain integrity.

What graphics acceleration capabilities does the R7S721011VLBG#AC0 provide?

The R7S721011VLBG#AC0 integrates the GC320 2D graphics accelerator, supporting bitblt, alpha blending, rotation, scaling, and color conversion operations in hardware. It interfaces directly with the display controller and can render to the 10 MB on-chip SRAM framebuffer. The R7S721011VLBG#AC0 delivers measurable UI performance gains: Qt-based GUIs achieve >60 FPS at 800×480 resolution with CPU utilization below 15%, compared to >70% on equivalent non-accelerated SoCs.

Is the R7S721011VLBG#AC0 qualified for industrial temperature range operation?

Yes, the R7S721011VLBG#AC0 is rated for industrial temperature operation from –40°C to +85°C ambient, verified per Renesas' standard qualification test flow for the RZ/A1H Group. It meets JEDEC JESD22-A104 reliability standards for temperature cycling and JESD22-A108 for high-temperature operating life. The R7S721011VLBG#AC0's LFBGA package and thermal pad design enable reliable operation in sealed, fanless enclosures typical of industrial HMI deployments.