ST92T163R4D0 查看數據表（PDF） - STMicroelectronics
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ST92T163R4D0
STMicroelectronics
ST92T163R4D0 Datasheet PDF : 224 Pages
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ST92163 - USB PERIPHERAL (USB)
USB INTERFACE (Cont’d)
Bit 0 = SOFP_ENABLE: Start-Of-Frame Pulse
Enable.
Set by software to enable the use of the USBSOF
alternate output function.
1: USBSOF alternate function enabled
0: USBSOF output disabled
USBSOF outputs a 333.33 ns long pulse at each
frame start (actually 10 bits before the SOF packet
expected start). This pulse is not generated until
two SOF packets are received after any USB reset
or USB resume (frame timer locking) and they stop
as soon as the suspend condition is entered
(TIM_SUSP bit in USBCTLR register).
MIRROR REGISTER A (MIRRA)
R246 - Read/Write
Register page: 60
Reset value: xxxx xxxx (xxh)
7
0
MIRA7 MIRA6 MIRA5 MIRA4 MIRA3 MIRA2 MIRA1 MIRA0
Bit 7:0 = MIRA[7:0] Mirror register A, bits 7-0.
This register acts as a bit mirroring location where
software can write a byte and read it back with the
LSB and MSB position swapped.
MIRROR REGISTER B (MIRRB)
R247 - Read/Write
Register page: 60
Reset value: xxxx xxxx (xxh)
7
0
MIRB7 MIRB6 MIRB5 MIRB4 MIRB3 MIRB2 MIRB1 MIRB0
Bit 7:0 = MIRB[7:0] Mirror register B, bits 7-0.
This register acts as a bit mirroring location where
software can write a byte and read it back with the
LSB and MSB position swapped.
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