D1s

Allwinner D1s (also known as F133) is based on a RISC-V core, and is a cheaper version of the D1 with the following differences:


 * 64 MB of DDR2 memory included in the same package, instead of requiring external memory.
 * No Tensilica HiFi4 DSP.
 * No HDMI output.
 * One less I2S port.

The D1s features a single RV64GCV core XuanTie C906 from T-Head Semiconductor (subsidiary of Alibaba).

= Overview = The T113-s3 is a pin-compatible variant with dual Cortex-A7 cores, all peripherals being identical.

= Documentation =
 * D1s brief v1.0
 * D1s Datasheet v1.0
 * DIs User Manual v1.0 (github) DIs User Manual v1.0 (backup)
 * Xuantie C906 R1S0 RISC-V core User Manual (玄铁C906_R1S0用户手册) (chinese)
 * OpenC906 User Manual (English)
 * Specification of the DE2.0 Display Engine used in the D1s
 * Xuantie C906 core RTL
 * CLINT implementation
 * PLIC gateway implementation

= Devices =

= References =