STR91XFA STMICROELECTRONICS [STMicroelectronics], STR91XFA Datasheet - Page 37
STR91XFA
Manufacturer Part Number
STR91XFA
Description
Manufacturer
STMICROELECTRONICS [STMicroelectronics]
Datasheet
1.STR91XFA.pdf
(78 pages)
- Current page: 37 of 78
- Download datasheet (2Mb)
STR91xFA
4.1
Table 4.
10
11
12
1
2
3
4
5
6
7
8
9
EMI_WEn
RESET_
X1_CPU
X2_CPU
AVREF
VSSQ
AVDD
JTMS
OUTn
P4.2
P4.6
P7.7
P1.5
A
LFBGA144 ball connections
●
●
●
1) NU (Not Used) on STR910FAW devices. D10 is not connected, C11 must be pulled up by a 1.5 kOhm resistor to VDDQ.
2) No USBCLK function on STR910FAW devices.
3) No PHYCLK function on STR910FAW devices.
STR91x LFBGA144 Ball Connections
PLLVSSQ
In
devices and should NOT be connected to ground or any other signal. There are total of 9
NC (no connection) balls.
Balls H1 and G4 are assigned as EMI bus write signals (EMI_BWR_WRLn and
EMI_WRHn). These two balls can also be configured by the user as EMI low or high byte
select signals (EMI_LBn and EMI_UBn).
The PLLGND (B8) and PLLVDDQ (C9) balls can be connected to VSSQ and VDDQ.
JRTCK
VDDQ
JTDO
P7.2
P4.1
P4.3
P4.5
P1.4
P1.2
P1.0
P0.7
B
Table 4.
RESET_INn
PLLVDDQ
USBDP
AVSS
VSSQ
JTDI
P4.0
P4.4
P1.3
P1.1
NC
NC
C
balls labelled NC are no connect balls. These NC balls are reserved for future
(1)
USBDN
MII_MDIO
JRSTn
VDDQ
VSSQ
P7.0
P7.1
P4.7
P1.7
VDD
P6.7
NC
(1)
D
(1)
TAMPER_
VDDQ
JTCK
P2.0
P2.1
P5.0
P7.5
P7.6
VSS
P6.6
P0.6
NC
IN
E
VDDQ
VSSQ
P7.3
VSS
VDD
P5.1
P1.6
P0.5
NC
NC
NC
NC
F
EMI_BWR_
(EMI_LBn)
WRLn
VSSQ
VDD
P7.4
P6.2
P6.3
P2.6
P6.5
P6.4
VSS
P5.7
NC
G
(EMI_UBn)
EMI_BAAn
EMI_WRH
VDDQ
P5.3
P8.1
P6.0
P9.4
P5.6
P0.4
P5.5
P0.3
VSS
H
n
EMI_RDn
EMI_ALE
VDDQ
VSSQ
P8.2
P6.1
P8.5
P2.5
P9.3
P3.3
P0.2
P5.4
J
EMI_WAIT
PHYCLK_
P5.2
VDDQ
VSSQ
P8.3
P2.3
P8.7
P9.2
P3.0
P9.7
P0.1
P3.7
K
n
(3)
USBCLK_
P2.7
VSSQ
VDDQ
VSSQ
Pin description
P8.0
P8.4
P2.4
VDD
P9.5
P3.4
P3.5
P0.0
L
(2)
EMI_BCLK
X2_RTC
X1_RTC
VBATT
37/78
P2.2
P8.6
P9.0
P9.1
P9.6
P3.1
P3.2
P3.6
M
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