# winbond W9812G6KH-6

2M × 4 banks × 16 bits SDRAM

https://www.winbond.com/resource-files/da00-w9812g6khc1.pdf

# Micron 7OA27 JY976

NAND Flash, custom Yamaha package based on the copyright info

# Spansion / Cypress S29GL064S70TFI02

64Mb parallel NOR Flash

http://www.cypress.com/part/s29gl064s70tfi020

# Yamaha YG320A0 SWX03

Multi-purpose Yamaha sound processor

This is actually a relatively generic MIDI module, unsure if it's also the Vocaloid-on-a-chip implementation, but there's nothing else on the device.

# Texas Instruments \*DZKB4

Dolby DTS-capable floating-point DSP

# Hosiden HRM1026A

Bluetooth chipset

http://www.hosiden.com/news/product/hrm1026.html