3.7 Hardware I
2
C Interface
Table 3–8 Hardware IC Interface
Pin
Name
I/O
Description
SCL
I/O
(VDDAN_33)
I
2
C clock.
Note: Can be left unconnected if not used.
Frequency: Up to 100 KHz I
2
C standard; Up to 400 KHz fast; and up to 1 MHz
fast mode plus.
SDA
I/O
(VDDAN_33)
I
2
C clock.
Note: Can be left unconnected if not used.
Frequency: Up to 100 KHz I
2
C standard; Up to 400 KHz fast; and up to 1 MHz
fast mode plus.
3.8 Serial Flash Interface
Configuration straps must be set to identify the appropriate ROM type. See
Table 3–9 Serial Flash Interface
Pin Name
Type
PD/PU
Description
GPIO_9_ROMSO
I
(VDDAN_33)
PD-reset
Serial-ROM output from ROM.
General purpose I/O or open-drain output.
GPIO_8_ROMSI
O
(VDDAN_33)
PD-reset
Serial-ROM input to ROM.
General purpose I/O or open-drain output.
GPIO_7_ROMSCK
O
(VDDAN_33)
PD-reset
Serial-ROM clock to ROM.
General purpose I/O or open-drain output.
GPIO_10_ROMCSB
O
(VDDAN_33)
PU-reset
BIOS-ROM chip select.
Used to enable the ROM for ROM read and program
operations.
26
Signal Descriptions
"Vega 10" Databook
56006_1.00
©
2017
Advanced Micro Devices, Inc.
AMD Confidential - Do not duplicate.
Содержание Vega 10
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