spear-09-h122 STMicroelectronics, spear-09-h122 Datasheet - Page 17

• Manufacturer Part Number: spear-09-h122
• Description: Spear Tm Head600
• Manufacturer: STMicroelectronics

SPEAR-09-H122
Table 2.
DDR I/F
Master
Group
Clock
USB
RTC
SMI
DDR_DATA_15
DDR_DQS_1
DDR_nDQS_1
DDR_DM_1
DDR_GATE_1
DDR_VREF
DDR_COMP_2V5
DDR_COMP_GND
DDR_COMP_1V8
DDR2_EN
DEV_DP
DEV_DM
DEV_VBUS
HOST1_DP
HOST1_DM
HOST1_VBUS
HOST1_OVRC
HOST2_DP
HOST2_DM
HOST2_VBUS
HOST2_OVRC
USB_RREF
MCLK_XI
MCLK_XO
RTC_XI
RTC_XO
SMI_DATAIN
Pin description by functional group (continued)
Signal name
AA14
AB17
AA17
AA15
Ball
D11
Y17
V10
L21
V8
V1
V2
R4
P5
P6
P1
P2
R5
R6
U4
Y1
Y2
A9
V9
V7
T1
T2
B9
Direction
Output
Output
Output
Output
Output
Output
Output
Output
Input
Input
Input
Input
Input
Input
Input
input
I/O
I/O
I/O
I/O
I/O
-
Data Lines
(Upper byte)
Differential upper
Data Strobe
Upper Data Mask
Upper Gate Open
Reference Voltage
Ext. Resistor 2.5V
Common Return for Ext.
Resistors
Ext. Resistor 1.8V
Configuration
USB Device D+
USB Device D-
USB Device VBUS
USB HOST1 D+
USB HOST1 D-
USB HOST1 VBUS
USB Host1
Over-current
USB HOST2 D+
USB HOST2 D-
USB HOST2 VBUS
USB Host2
Over-current
Reference resistor
30 MHz Crystal I
30 MHz Crystal O
32KHz Crystal I
32 KHz Crystal O
Serial Flash
Input Data
Function
SSTL_2/SSTL_18
Differential
SSTL_2/SSTL_18
SSTL_2/SSTL_18
Analog
Analog
Power
Analog
TTL Input Buffer
3.3V tolerant, PU
Bidirectional Analog
Buffer
5V tolerant
TTL Input Buffer
3.3V tolerant, PD
Bidirectional Analog
Buffer
5V tolerant
TTL Output Buffer 3.3V
capable, 4mA
TTL Input Buffer
3.3V tolerant, PD
Bidirectional Analog
Buffer
5V tolerant
TTL Output Buffer 3.3V
capable, 4mA
TTL Input Buffer
3.3V tolerant, PD
Analog
Oscillator
2.5V capable
Oscillator 1V capable
TTL Input Buffer
3.3V tolerant, PU
Pin description
Pin Type
17/37