STR91XFA STMICROELECTRONICS [STMicroelectronics], STR91XFA Datasheet - Page 43

• Manufacturer Part Number: STR91XFA
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

STR91xFA
69 111 A6
72 115 C6
73 117 B6
76
24
15
36
46
54
28
63 102 H7
74 120 D9
16
35
45
55
25
66 105 F8
75 121 L12
11
31
50
70 112 G11
10
30
51
71 113 E7
5
6
-
-
-
-
-
-
-
-
Pkg
122 A3
123 A2
39
23
57
73 K12
86
43
24
56
72
87
40
17
49
81
16
48
82 G10
4
9
8
-
-
-
-
-
-
M3
C3
C5
D4
G5
D7
H5
C9
E1
B5
L5
F9
L2
K4
A8
F4
L6
F3
B8
J1
J7
-
-
-
Pin Name
PLLVDDQ
PLLVSSQ
_VSSQ
AVREF
AVREF
_AVDD
VBATT
VDDQ
VDDQ
VDDQ
VDDQ
VDDQ
VDDQ
VDDQ
VDDQ
VDDQ
AVDD
VSSQ
VSSQ
VSSQ
VSSQ
VSSQ
VSSQ
VSSQ
VSSQ
VSSQ
JTMS
JTDO
AVSS
AVSS
JTDI
VDD
VDD
VDD
VDD
VSS
VSS
VSS
VSS
O
G
G
G
G
G
G
G
G
G
G
G
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
G
G
G
G
G
V
I
I
Common ground
point for digital I/
O & analog ADC
Standby voltage
Combined ADC
Default Pin
voltage source,
voltage source,
ADC reference
ref voltage and
Digital Ground
JTAG data out
Digital Ground
Digital Ground
input for RTC
I/O and USB.
JTAG data in
voltage input
V Source for
2.7V to 3.6V
!/O and USB
V Source for
1.65V - 2.0V
Function
ADC analog
ADC analog
ADC analog
V Source for
JTAG mode
2.7V - 3.6V
2.7V - 3.6V
and SRAM
2.7 to 3.6 V
for CPU
ground
backup
for PLL
select
CPU.
PLL
for
Default Input
Function
Alternate
Input 1
Alternate
Output 1
Alternate functions
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
Alternate
Output 2
Pin description
Alternate
Output 3
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