GC3021 datasheet(29/37 Pages) TI1

29 / 37 page

GRAYCHIP, INC.

- 27 -

JUNE 22, 1998

GC3021 MIXER AND CARRIER REMOVAL CHIP

DATA SHEET

This document contains information which may be changed at any time without notice

# GC3021 diagnostic test A

# This test uses odd parity map.

for (i=0;i<256;i++) write (base+i) odd_parity(i);

# where odd_parity(i) is 0x9669 if "i" contains an odd number of bits

# and is 0x6996 otherwise (e.g., base + 0 = 0x6996, base + 1 = 0x9669, etc)

# control register settings:

write

0 0x0002

write

1 0x0b6e

write

2 0x5fef

write

3 0x0000

write

4 0x00bf

write

5 0x0082

write

6 0x0000

write

7 0x0000

write

8 0x1fff

write

9 0x1fff

write 10 0x1fff

write 11 0x1fff

write 12 0xff22

write 16 0x0000

write 17 0x0000

write 18 0x0000

write 19 0x0000

# perform snapshot

write 12 0xff22

write 12 0xff26

# wait until bit 3 (0x0008) of register 12 goes high

# the snapshot should be:

0xfa85 0xf800 0x01f0 0xf800 0xfa7d 0xf8f5 0xfa73 0xfffc

0xf800 0xfffc 0xf800 0x03d5 0xf800 0x071f 0x07ff 0x07ff

0x01f6 0x07ff 0x01fa 0x07ff 0x01fb 0x07ff 0x07ff 0x0740

0x05b1 0x0745 0x05b5 0x074b 0x05bb 0x0752 0x05c0 0x0757

0x07ff 0x0000 0xfa34 0xf800 0xf800 0xf894 0xfdf0 0xf800

0x020b 0xf800 0xf800 0xf885 0xfa1a 0xfbec 0xfa16 0xfbe9

0xf800 0xfbe8 0xfde8 0xf800 0xfde6 0xf800 0xfde3 0xf800

0xfde3 0xf800 0xfddf 0xfffc 0x0605 0x07ff 0x07ff 0x07b7

0xf800 0xfc36 0xf800 0x03ca 0xf800 0x0708 0x07ff 0x07ff

0xfe09 0x07ff 0x01f1 0x07ff 0x01f3 0x0722 0x01f8 0xfc23

0x07ff 0xfc1f 0x07ff 0xfc1c 0x07ff 0xfc17 0xfa51 0xf8c1

0x07ff 0xf8ba 0x07ff 0xf8b4 0x07ff 0xf8af 0x07ff 0xf8a8

0x05c8 0xf800 0xf800 0xfbfd 0x0208 0x0767 0x07ff 0xfffc

0x07ff 0xfbf3 0xfa1e 0xf882 0x07ff 0x07ff 0x07ff 0x07ff

0xfa11 0x07ff 0x07ff 0xfbe4 0x07ff 0xfbe0 0x07ff 0xfbdc

0x07ff 0xfbdb 0x07ff 0x07ff 0x07ff 0x042b 0xfde1 0xf848

0x0190 0xfcf2 0x06a8 0xf89d 0x0191 0xf801 0xf828 0xfa57

0xfb90 0xfa57 0xf95c 0xfcef 0xf95c 0xfffe 0x0471 0x0762

0xfb8d 0x0762 0xfb8e 0x0762 0xfb8e 0x0763 0x07d7 0x07ff

0xfe6f 0x07ff 0xfe6f 0x07ff 0xfe70 0x07ff 0xfe70 0x07ff

0x018e 0x05a8 0x0190 0xfcf3 0xf95b 0xf801 0xf958 0xfa5a

0xfb8e 0xfcf3 0xfe73 0x0002 0xf828 0xf89c 0xf828 0xf89c

0xfe72 0xf89d 0xf959 0xfcf2 0xf959 0xfcf3 0xf958 0xfcf3

0xf959 0xfcf2 0xf958 0xfa57 0xfe6f 0x030d 0x06a5 0x07ff

0x07d7 0x0763 0x0470 0x0310 0x07d7 0x0001 0xfe73 0xfa5a

0x06a8 0xfa5a 0x0473 0xf89e 0x0473 0xf801 0xf959 0xfcef

0xf95c 0xfcef 0xf95b 0xfcef 0xf95b 0xfcf0 0xfe70 0xfffe

0xf829 0xffff 0xf829 0xffff 0xf829 0xfffe 0xf829 0xffff

0xf828 0x05a7 0x07d7 0x0764 0x0472 0x0002 0xfb90 0x05a9

0xf95b 0x0764 0x07d8 0x07ff 0xfe72 0xfcf3 0xfe72 0xfcf3

0x07d8 0xfcf2 0xfb8f 0x0763 0xfb8f 0x0764 0xfb90 0x0764

0xfb8f 0x0763 0xfb90 0xfa5a 0xf829 0xf89c 0xfb8e 0xffff

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