C8051T627-B-GM Silicon Labs, C8051T627-B-GM Datasheet - Page 165
C8051T627-B-GM
Manufacturer Part Number
C8051T627-B-GM
Description
8-bit Microcontrollers - MCU UBS, 64K OTP MCU
Manufacturer
Silicon Labs
Datasheet
1.C8051T626-B-GM.pdf
(298 pages)
Specifications of C8051T627-B-GM
Rohs
yes
Core
8051
Processor Series
C8051T627
Data Bus Width
8 bit
Maximum Clock Frequency
48 MHz
Program Memory Size
64 KB
Data Ram Size
3328 B
On-chip Adc
Yes
Operating Supply Voltage
1.8 V to 5.25 V
Operating Temperature Range
- 40 C to + 85 C
Package / Case
QFN-32
Mounting Style
SMD/SMT
Program Memory Type
EPROM
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SFR Definition 23.3. USB0DAT: USB0 Data
SFR Address = 0x97
Name
Reset
Bit
7:0
Type
Bit
USB0DAT[7:0] USB0 Data Bits.
Name
7
0
This SFR is used to indi-
rectly read and write
USB0 registers.
6
0
C8051T620/1/6/7 & C8051T320/1/2/3
Description
5
0
Rev. 1.2
USB0DAT[7:0]
4
0
Write Procedure:
1. Poll for BUSY
(USB0ADR.7) => 0.
2. Load the target USB0
register address into the
USBADDR bits in register
USB0ADR.
3. Write data to USB0DAT.
4. Repeat (Step 2 may be
skipped when writing to
the same USB0 register).
R/W
Write
3
0
2
0
Read Procedure:
1. Poll for BUSY
(USB0ADR.7) => 0.
2. Load the target USB0
register address into the
USBADDR bits in register
USB0ADR.
3. Write 1 to the BUSY bit
in register USB0ADR
(steps 2 and 3 can be per-
formed in the same write).
4. Poll for BUSY
(USB0ADR.7) => 0.
5. Read data from
USB0DAT.
6. Repeat from Step 2
(Step 2 may be skipped
when reading the same
USB0 register; Step 3 may
be skipped when the
AUTORD bit
(USB0ADR.6) is logic 1).
1
0
Read
0
0
165
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