Apoolo-S10
User Manual
62
www.terasic.com
March 31, 2020
DDR4A_A17
Address [17]/ NC
SSTL-12
PIN_L35
DDR4A_BA0
Bank Select [0]
SSTL-12
PIN_L36
DDR4A_BA1
Bank Select [1]
SSTL-12
PIN_T35
DDR4A_BG0
Bank Group Select
[0]
SSTL-12
PIN_R36
DDR4A_BG1
Bank Group Select
[1]
SSTL-12
PIN_D40
DDR4A_CK
Clock p
DIFFERENTIAL 1.2-V
SSTL
PIN_F39
DDR4A_CK_n
Clock n
DIFFERENTIAL 1.2-V
SSTL
PIN_G39
DDR4A_CKE0
Clock Enable pin
SSTL-12
PIN_L40
DDR4A_CKE1
Clock Enable pin
SSTL-12
PIN_K40
DDR4A_ODT0
On Die
Termination
SSTL-12
PIN_G40
DDR4A_ODT1
On Die
Termination
SSTL-12
PIN_F40
DDR4A_CS_n0
Chip Select
SSTL-12
PIN_G38
DDR4A_CS_n1
Chip Select
SSTL-12
PIN_J40
DDR4A_PAR
Command and
Address Parity
Input
SSTL-12
PIN_H40
DDR4A_ALERT_n
Register ALERT_n
output
1.2 V
PIN_A38
DDR4A_ACT_n
Activation
Command Input
SSTL-12
PIN_H38
DDR4A_RESET_n
Chip Reset
1.2 V
PIN_E40
DDR4A_REFCLK_p
DDR4 A port
Reference Clock p
LVDS
PIN_M35
DDR4A_REFCLK_n
DDR4 A port
Reference Clock n
LVDS
PIN_N35
DDR4A_RZQ
External precision
resistor
1.2 V
PIN_P34
Table 2-23 DDR4B Pin Assignments, Schematic Signal Names, and Functions