Zyxell Prestige-650R-30

This is a wish project. These routers are thrown away and probably can get a second life.

U1: ZyDAS (CPU)
ZD2001
MFB4007.1 0309
WAVEPLUS
TAIWAN

U2: MTC-20156TQ-C1 (PROBABLY SECOND CPU OR SOMETHING ELSE)
C156-4AB ARM
LAUBT0311
TAIWAN
ST

J4:
1-VTREF?
2,4,6,8,10,12,14-GND
3-TRST (pin174)
5-TDI (pin1) 
7-TMS (pin175)
9-TCK (pin171)
11-TDO(pin176)
13-VTREF?

U3: MTC20154TGC (ADSL CHIPSET)
1301533
7221F0309
MALTA
ST

U4: ALTIMA (LAN CONTROLLER)
AC101LKQT
TN0310 P11
70850A

U5: MX SO31445 (FLASH ROM)
29LV160BTC-90
2H191700
TAIWAN
16M-BIT [2Mx8/1Mx16] CMOS SINGLE VOLTAGE 3V ONLY FLASH MEMORY

U6: WINBOND (DRAM MODULE 1)
3150G
W986432DH-7

U7: WINBOND (DRAM MODULE 2)
311WH
W981616BH-7