NEC uPD72257, Preliminary User'S Manual

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2.4.2 Ravin-M pinout options
The Ravin-M pin layout offers 11 pinout options, which are controlled by settings
in the SYSPINMUX register.
Below table gives an overview, which signals are available at external pins, if a
certain pinout option is chosen.
Table 2-8 Ravin-M pinout options
Ravin-M feature
1 Video Output I/F 2 Video Output I/Fs
Opt1 Opt2 Opt3
Opt6 Opt7
Opt9
a b a b c d e
Host-I/F
LBus 8-bit multiplexed HLBD[7:0] — — √ — — √ √ √ √ √ √
ADBus 16-bit separate HADD
[15:0],
HADA[20:0]
√ √ — √ √ — — — — — —
Video
Output
Video out I/F 0 RGB
(6/6/6)
VO0HSYNC √ √ √ √ √ √ √ √ √ √ √
VO0VSYNC √ √ √ √ √ √ — √ √ √ √
VO0EN √ √ √ √ √ — √ √ √ — √
Video out I/F 1
RGB(4/5/4)
— — —
— — √ √ — √ — —
RGB(5/5/5) — — — — — — √ —
RGB(5/6/5) √ — — — — — — √
RGB(6/6/6) — √ — — √ — — —
VO1HSYNC — — — √ √ √ √ √ √ √ √
VO1VSYNC — — — √ √ √ √ √ √ √ √
Video
Input
RGB(6/6/6) — — √ — — — — — — — √
ITU656 YUV(4:2:2) √ √ √ √ — √ √ √ √ √ √
VI0SYNC1 — — √ — — — — — — — √
VI0SYNC2 — — √ — — — — — — — √
SDRAM
16-bit data √ √ √ √ √ √ √ √ √ √ √
32-bit data √ — √ — — √ √ √ √ — √
SRAM
Flash
16-bit data — √ √ — — √ √ √ √ √ —
32-bit data — — √ — — √ √ √ √ — —
√: available, —: not available
For further explanations of the various signals, refer to the concerned chapters.
In the following the setup and features of all Ravin-M pinout options are described.
Chapter 2 Pin Functions
38
Preliminary User's Manual S19203EE1V3UM00