Processors

ARM Cortex-A7 Quad core

• Quad-core ARM® Cortex-A7(CA7) MPCore operating speed upto 960MHz

• NEON multimedia processing engine with SIMDv2/VFPv4 ISA support

• 32KB L1 I-cache and 32KB L1 D-cache

• 512KB unified L2 cache

• Generic Interrupt Controller (GIC) v2.0

ARM926 real-time core

• Run as real time process unit

• ARM926EJS operating speed up to 202 MHz

• 16KB L1 I-cache and 16KB L1 D-cache

8051 low-power core

• Selectable 32KHz or 202MHz operating speed;

• Intended to be used as a supervisory core;

• Low-power operation—500uA @ 32KHz for the entire IC

All IO and peripherals are accessible by Cortex-A7/ARM926/8051

Debug Interfaces

SWD interface

• Dedicated pins for CA7 debug

• Pin mux with other functions pin when production

JTAG interface

• Dedicated pins for debug

• ARM926 and 8051 share the same JTAG debug port

Power Management

Embedded DC/DC

• Embedded DC-DC for computation unit, DDR3, and the core power

  • Only single 3.3V power supply[1]

  • 3.3V to 0.90V for CA7

  • 3.3V to 1.5V for DDR3

  • 3.3V to 1.2V for Peripheral logics

• Embedded temperature sensor (resolution 1°C) for temperature detection (temperature detection range from -40°C to 125°C)

[1] 1.2V external power is needed if 1.2V consumes current more than 1200mA

Memory

Embedded DRAM

• Embedded 128MB/512MB DDR3 1066 DRAM

SP7021-IS : built-in 128MB DDR3,

SP7021-IF : built-in 512MB DDR3

Flash interface

• Support SPI NAND / SPI NOR / eMMC

• Support BCH ECC

• Support 1 bit/ 2bits/4-bits SPI_FLASH memory

System Control

Real-Time Counter (RTC)

• RTC with leap year and daylight saving time correction by software

• RTC with alarm timer with its own output port

  • CPU set the wakeup time, shutdown until this time

  • RTC wake up port to output pin and CPU interrupt

  • RTC connect to the backup power pin, charging battery without adding any charging circuit (??)

PWM, Timers, Input Capture module

• PWM:

  • Each module contain at least four synchronized PWM channels

  • output resolution region (ex. System clock is 202 Mhz ,pwm max 202Mhz/256 = 789KHz , Min 202/(256*65535) = 12 Hz)

• Four General Purpose Timers:

  • Four 16 bit and up to two 32 bit timers/counters

• Four Input Capture (IC) modules

• Independent Watchdog Timers (WDT)

Security

Security Boot

• External boot image verified by ED25519 algorithm

• External boot image will be signature-verified by internal ROM code and private/public key before loaded.

Crypto Engines

• PKA Engine (RSA)

• Hash Engine (SHA3, MD5)

• Bulk Encryption/decryption Engine (AES)

Unique factory info and OTP memory

• Total 128 bytes

• IC Vendor (before shipping)

  • Device ID, revision, 16 bits

  • The serial number

  • Two “registered” MAC addresses for two MAC controllers (each 48b)

• User

  • 64 bytes of one-time programmable memory for storing user IDs, hash data (for protection)

• OTP is programmed by OTP program voltage pin. No extra programming circuit needed.

Peripherals

Three separate MMC / SD / SDIO interfaces

• First port: eMMC 4.41 DDR 104MB/s for primary boot disk

• Second port: SD card (SD 2.0) for removable media

• Third port: SDIO (SD 2.0) interface for Wi-Fi module

Two USB 2.0 OTG Ports

• Support boot from USB

• Support USB video class (UVC).

General Purpose IO (GPIO) ports

• Total 9 GPIO ports (GPIO0~GPIO8) and 8-bits for each port

• Two ways of accessing individual GPIO lines:

  • Through 8-bit registers, where eight lines are read or written at the same time.

  • Bit-wise access: access single bit without disturbing other bits in the same register

• Strong driving (16mA) for GPIO0 port

• Separated interrupt configuration, 8 interrupt sources at GPIO1 port and need to be configured as wake-up source.

• 3.3V with 5V tolerance

• Tri-state output pad with Schmitt trigger Input / enable / open collector / invert in or out for all ports

Two Ports Ethernet Switch

• Two IEEE 802.3 10/100M ports with RMII interface

• Support full and half duplex

• Support Daisy Chain and NIC mode for different application scenarios

• Support IEEE802.1Q VLAN tagging and un-tagging

• Support MAC clone and MAC security

• Support 4 traffic classes (compatible with IEEE802.1D-2004)

• Support 1K MAC address table entries with programmable aging time

Five UARTs

• One console UART with only Tx/Rx lines

• Four full function UARTs

  • 128 bytes FIFO

  • Automatic RTS/CTS control

  • Clocking from 27MHz or external CLK input

• Baud rates up to 921600 bps with Error rate under 3%

• Independent Tx/Rx DMA functions for every UARTs.

Four SPI controllers

• Master mode and slave mode

• SPI FIFO depth 8 bytes of RX and TX registers

• Independent Tx/Rx DMA function for each port

Four I2C

• I2C Master

• I2C clock stretching and FIFO depth 32 bytes

• Independent Tx/Rx DMA function for each port

Pin Mux

• Any signals of each function could map to any pin using pin mux mapping matrix

• Pin mux is run time programmable

Display

HDMI

• HDMI TX 1.4, resolution up to 720P

MIPI CSI

• One MIPI CSI-RX port

• Compliant with the MIPI CSI-2 Specification, rev 1.01 and MIPI D-PHY interface Specification, version 1.1

• HS (high speed), LP (low power) modes supported

  • 10Mbps per lane in LP mode

  • 1.0Gbps per lane in HS mode

• Support Power-down mode

• Support MIPI CSI-2 short and long packet formats

• Support MIPI CSI-2 4 data lane

• Total bandwidth: 4 Gbps

• Support MIPI CSI-2 data format: RAW8, RAW10, YUY2

• Image Interface to core processor: Support 8 or 10 bits

• Color depth / Bits per pixel: Support 8 or 10 bits per pixels

• Support CCI or I2C master for Camera Control Interface

• Camera pixel resolution: 1920x1080 (Including non-image data)https://sunplus-tibbo.atlassian.net/browse/FAQ-4

LCD Timing Controller (TCON)

• Support TTL interface panel for monitor, max resolution 1280x720.

• Support TTL RGB888 output

Audio Interfaces

I2S

• I2S output up to 6 stereo channels (I2Sx3)

• I2S input up to 4 stereo channels (I2Sx2)

SPDIF

• 1 SPDIF output

• 1 SPDIF input

Multi Channel Audio

• Support TDM/PDM interface for 8 channel microphone array

  • PCM (TDM/I2S interface, 1-Rx+1-Tx interface)

  • TDM support 16/24/32bits, 8 channels, master/slave mode

Others

FPGA BUS IO Interface (FBIO)

• FPGA platform expansion through the FBIO interface

Package

• FCC Class B for system level, Industrial temperature range -40°C ~ 85°C

• 20mmX20mm LQFP176-EP package