Samsung SENS R60 Plus Service Manual page 47

4
SAMSUNG PROPRIETARY
THIS DOCUMENT CONTAINS CONFIDENTIAL
PROPRIETARY INFORMATION THAT IS
SAMSUNG ELECTRONICS CO'S PROPERTY.
DO NOT DISCLOSE TO OR DUPLICATE FOR OTHERS
EXCEPT AS AUTHORIZED BY SAMSUNG.
D
C
B
A
4
3
Need to option
P3.3V
R54 10K 1%
GPIO(0)
R53 10K 1%
GPIO(1)
R51 10K 1%
GPIO(9)
Memory size
R30 10K 1%
GPIO(13)
R52 10K 1%
GPIO(12)
R29 10K 1%
GPIO(11)
STRAP PIN DESCRIPTION
TX_PWRS_ENB GPIO[0] Transmitter Power Saving Enable
0: 50% Tx output swing
1: full Tx output swing
TX_DEEMPH_EN GPIO[1] Transmitter De-emphasis Enable
0: Tx De-emphasis disabled
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] GPIO[9,13:11]
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
GPIO[13:12] = 10: 64M frame buffer
GPIO[13:12] = 11: reserved
3
2
(DEFAULT : pull-down)
2
1
D
C
B
A
SAMSUNG
ELECTRONICS
1