C8051F326-GM Silicon Laboratories Inc, C8051F326-GM Datasheet - Page 70

IC 8051 MCU FLASH 16K 28QFN

C8051F326-GM

Manufacturer Part Number
C8051F326-GM
Description
IC 8051 MCU FLASH 16K 28QFN
Manufacturer
Silicon Laboratories Inc
Series
C8051F32xr
Datasheets

Specifications of C8051F326-GM

Program Memory Type
FLASH
Program Memory Size
16KB (16K x 8)
Package / Case
28-QFN
Core Processor
8051
Core Size
8-Bit
Speed
25MHz
Connectivity
UART/USART, USB
Peripherals
POR
Number Of I /o
15
Ram Size
1.5K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 3.6 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Processor Series
C8051F3x
Core
8051
Data Bus Width
8 bit
Data Ram Size
1.5 KB
Interface Type
UART/USB
Maximum Clock Frequency
25 MHz
Number Of Programmable I/os
15
Number Of Timers
2
Operating Supply Voltage
2.7 V to 3.6 V
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
No. Of I/o's
15
Ram Memory Size
1280Byte
Cpu Speed
25MHz
No. Of Timers
2
Digital Ic Case Style
QFN
Supply Voltage
RoHS Compliant
Package
28QFN EP
Device Core
8051
Family Name
C8051F326
Maximum Speed
25 MHz
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
770-1006 - ISP 4PORT FOR SILABS C8051F MCU336-1450 - ADAPTER PROGRAM TOOLSTICK F326336-1306 - KIT DEV FOR C8051F326/7
Eeprom Size
-
Data Converters
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
336-1296-5

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Manufacturer
Quantity
Price
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C8051F326-GM
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SiliconL
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Manufacturer:
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0
C8051F326/7
9.2.
The upper 256 bytes of XRAM functions as USB FIFO space. Figure 9.2 shows an expanded view of the
FIFO space and user XRAM. FIFO space is accessed via USB FIFO registers; see Section “12.5. FIFO
Management” on page 95 for more information on accessing these FIFOs. The FIFO block operates on the
USB clock domain; thus the USB clock must be active when accessing FIFO space.
Important Note: The USB clock must be active when accessing FIFO space.
70
Bits7–3: Unused. Read = 000000b. Write = don’t care.
Bits2–0: PGSEL[1:0]: XRAM Page Select Bits.
User XRAM Space
(System Clock Domain)
R/W
Bit7
-
Accessing USB FIFO Space
The XRAM Page Select Bits provide the high byte of the 16-bit external data memory
address when using an 8-bit MOVX command, effectively selecting a 256-byte page of
RAM. The upper 6-bits are "don't cares", so the 1k address block is repeated modulo over
the entire 64k external data memory address space.
SFR Definition 9.1. EMI0CN: External Memory Interface Control
R/W
Bit6
-
Figure 9.2. XRAM Memory Map Expanded View
0x03FF
0x0000
R/W
Bit5
-
(1024 bytes)
User XRAM
R/W
Bit4
-
Rev. 1.1
R/W
Bit3
-
0xFF
0xC0
0xBF
0x00
R/W
Bit2
-
OUT (128 bytes)
IN (64 bytes)
Endpoint0
Endpoint1
(64 bytes)
PGSEL1
R/W
Bit1
PGSEL0 00000000
USB FIFO Space
R/W
Bit0
(USB Clock Domain)
SFR Address:
Reset Value
0xAA

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