Samsung
Confidential
D
4
4
3
SAMSUNG
ELECTRONICS
A
C
D
0: 50% Tx output swing
PROPRIETARY INFORMATION THAT IS
SAMSUNG ELECTRONICS CO’S PROPERTY.
SAMSUNG PROPRIETARY
THIS DOCUMENT CONTAINS CONFIDENTIAL
GPIO[0] Transmitter Power Saving Enable
0: Tx De-emphasis disabled
1: full Tx output swing
TX_DEEMPH_EN GPIO[1] Transmitter De-emphasis Enable
EXCEPT AS AUTHORIZED BY SAMSUNG.
GPIO[9,13:11]
GPIO[13:12] = 10: 64M frame buffer
1: Tx de-emphasis enabled
DEBUG_ACCESS GPIO[4] Strap to set the debug muxes to bring out DEBUG signals
even if registers are inaccessible.
ROMIDCFG[3:0]
Memory size
When no ROM is attached, GPIO[9] is set to 0.
GPIO[13:12] is used to select the frame buffer aperture size.
GPIO[13:12] = 00: 128M frame buffer
GPIO[13:12] = 01: 256M frame buffer
Need to option
A
B B
C
GPIO[13:12] = 11: reserved
(DEFAULT : pull-down)
STRAP PIN DESCRIPTION
TX_PWRS_ENB
3
2
2
1
1
DO NOT DISCLOSE TO OR DUPLICATE FOR OTHERS
1%10K
R29
P3.3V
R52
10K 1%
10K
R30
1%
1%10K
R51
1%
1%10K
R53
GPIO(0)
GPIO(1)
GPIO(9)
GPIO(13)
GPIO(12)
GPIO(11)
R54
10K
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