STLC4420A 查看數據表（PDF） - STMicroelectronics
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STLC4420A Datasheet PDF : 40 Pages
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STLC4420A
Pin descriptions
Table 1. STLC4420A signal descriptions (continued)
Pin name Pin number
Type
Internal
resistor
Function
EMU_GND G15
EMU_DGND F16
GNDA_PLL J16
Ground
Digital Ground
Ground of the EMU.
Ground of the EMU level shifter.
Miscellaneous Pins
GPIO8
G22
GPIO7
L22
GPIO6
M23
GPIO5
D15
GPIO4
B18
GPIO3
L24
GPIO1
L23
GP1_3
M22
GP1_7
K23
GP2_13
H22
GP2_12
C16
1.8V (VDDD)
GPIO
1.8V (VDDD)
GPIO
1.8V (VIO) GPIO
1.8V (VIO) GPIO
1.8V (VIO) GPIO
1.8V (VDDD)
GPIO
1.8V (VDDD)
GPIO
1.8V (VDDD)
GPIO
1.8V (VDDD)
GPIO
1.8V (VDDD)
GPIO
1.8V (VDDD)
GPIO
No Pull
No Pull
40uA
Pull-Down
Pull-Up
Pull-Up
40uA
Pull-Down
No Pull
No Pull
No Pull
No Pull
No Pull
Firmware controlled 1.8V digital GPIO
Assigned to ARM MAC GP2-11. Float for
proper operation.
Firmware controlled 1.8V digital GPIO.
Assigned to ARM MAC GP2-1. Can
optionally be used as a serial data line (SDA)
for external 1.8V serial FLASH device.
Firmware controlled 1.8V digital GPIO.
Assigned to ARM MAC GP2-0. Can
optionally be used as a serial clock line (SCL)
for external 1.8V serial FLASH device.
Firmware controlled 1.8V digital GPIO.
Assigned to ARM MAC GP1-13. (Radio_PE).
Float for proper operation.
Firmware controlled 1.8V digital GPIO -- float
for proper operation.
Assigned to ARM MAC GP1-15.
(FAAmode_n)
Firmware controlled 1.8V digital GPIO -- float
for proper operation.
Assigned to ARM MAC GP2-2.
(LED2/TR_SW_Bar)
Firmware controlled 1.8V digital GPIO -- float
for proper operation.
Assigned to ARM MAC GP2-15
(FAA_HDRn).
Firmware controlled 1.8V digital GPIO
Assigned to ARM MAC GP1-3. Float for
proper operation.
Firmware controlled 1.8V digital GPIO
Assigned to ARM MAC GP1-7. Float for
proper operation.
Firmware controlled 1.8V digital GPIO
Assigned to ARM MAC GP2-13. Float for
proper operation.
Firmware controlled 1.8V digital GPIO
Assigned to ARM MAC GP2-12. Float for
proper operation.
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