C8051F321-GMR Silicon Laboratories Inc, C8051F321-GMR Datasheet - Page 144
C8051F321-GMR
Manufacturer Part Number
C8051F321-GMR
Description
IC 8051 MCU 16K FLASH 28MLP
Manufacturer
Silicon Laboratories Inc
Series
C8051F32xr
Specifications of C8051F321-GMR
Core Processor
8051
Core Size
8-Bit
Speed
25MHz
Connectivity
SMBus (2-Wire/I²C), SPI, UART/USART, USB
Peripherals
Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
Number Of I /o
21
Program Memory Size
16KB (16K x 8)
Program Memory Type
FLASH
Ram Size
2.25K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 3.6 V
Data Converters
A/D 13x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
28-VQFN Exposed Pad, 28-HVQFN, 28-SQFN, 28-DHVQFN
Processor Series
C8051F3x
Core
8051
Data Bus Width
8 bit
Data Ram Size
2.25 KB
Interface Type
I2C, SMBus, SPI, UART, USB
Maximum Clock Frequency
25 MHz
Number Of Programmable I/os
21
Number Of Timers
4
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
PK51, CA51, A51, ULINK2
Development Tools By Supplier
C8051F320DK
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 13 Channel / 10 bit, 7 Channel
Package
28MLP
Device Core
8051
Family Name
C8051F321
Maximum Speed
25 MHz
Operating Supply Voltage
3.3 V
For Use With
336-1480 - DAUGHTER CARD TOOLSTCK C8051F321336-1449 - ADAPTER PROGRAM TOOLSTICK F321336-1260 - DEV KIT FOR C8051F320/F321
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Details
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
C8051F321-GMR
Manufacturer:
SILICON LABS/芯科
Quantity:
20 000
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C8051F320/1
144
USB Register
OUT1INT
FRAMEH
FRAMEL
CLKREC
POWER
R/W
OUT1IE
Bit7
FADDR
IN1INT
CMINT
INDEX
FIFOn
Name
IN1IE
CMIE
This SFR is used to indirectly read and write USB0 registers.
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).
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 performed in the
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
same write).
may be skipped when the AUTORD bit (USB0ADR.6) is logic 1).
R/W
Bit6
USB Register
0x20-0x23
Address
SFR Definition 15.3. USB0DAT: USB0 Data
0x0C
0x0D
0x02
0x04
0x06
0x07
0x09
0x0B
0x00
0x0E
0x0F
0x01
R/W
Table 15.2. USB0 Controller Registers
Bit5
Endpoint0 and Endpoints1-3 IN Interrupt Flags
Endpoints1-3 OUT Interrupt Flags
Common USB Interrupt Flags
Endpoint0 and Endpoints1-3 IN Interrupt Enables
Endpoints1-3 OUT Interrupt Enables
Common USB Interrupt Enables
Function Address
Power Management
Frame Number Low Byte
Frame Number High Byte
Endpoint Index Selection
Clock Recovery Control
Endpoints0-3 FIFOs
R/W
Bit4
USB0DAT
Common Registers
Interrupt Registers
Rev. 1.4
R/W
Bit3
Description
R/W
Bit2
R/W
Bit1
R/W
Bit0
Page Number
SFR Address:
00000000
Reset Value
153
154
156
146
155
156
157
149
151
152
152
145
148
0x97
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