C8051F330DK Silicon Laboratories Inc, C8051F330DK Datasheet - Page 101
C8051F330DK
Manufacturer Part Number
C8051F330DK
Description
DEV KIT FOR C8051F330/F331
Manufacturer
Silicon Laboratories Inc
Type
MCUr
Specifications of C8051F330DK
Contents
Evaluation Board, Power Supply, USB Cables, Adapter and Documentation
Processor To Be Evaluated
C8051F33x
Interface Type
RS-232
Operating Supply Voltage
7 V to 15 V
Silicon Manufacturer
Silicon Labs
Core Architecture
8051
Silicon Core Number
C8051F330
Silicon Family Name
C8051F33x
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
For Use With/related Products
Silicon Laboratories C8051F330, C8051F331
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
336-1264
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C8051F330/1/2/3/4/5
11.1.3. Flash Write Procedure
Flash bytes are programmed by software with the following sequence:
Steps 5–7 must be repeated for each byte to be written. After Flash writes are complete, PSWE should be
cleared so that MOVX instructions do not target program memory.
Table 11.1. Flash Electrical Characteristics
V
11.2. Non-volatile Data Storage
The Flash memory can be used for non-volatile data storage as well as program code. This allows data
such as calibration coefficients to be calculated and stored at run time. Data is written using the MOVX
write instruction and read using the MOVC instruction. Note: MOVX read instructions always target XRAM.
104
Flash Size
Endurance
Erase Cycle Time
Write Cycle Time
*Note: 512 bytes at addresses 0x1E00 to 0x1FFF are reserved.
DD
= 2.7 to 3.6 V;
Parameter
Step 1. Disable interrupts (recommended).
Step 2. Erase the 512-byte Flash page containing the target location, as described in
Step 3. Set the PSWE bit (register PSCTL).
Step 4. Clear the PSEE bit (register PSCTL).
Step 5. Write the first key code to FLKEY: 0xA5.
Step 6. Write the second key code to FLKEY: 0xF1.
Step 7. Using the MOVX instruction, write a single data byte to the desired location within the 512-
Step 8. Clear the PSWE bit.
11.1.2
byte sector.
–
40 to +85 ºC unless otherwise specified.
.
C8051F330/1
C8051F332/3
C8051F334/5
25 MHz System Clock
25 MHz System Clock
Conditions
Rev. 1.7
8192
4096
2048
20 k
Min
10
40
*
100 k
Typ
15
55
—
—
—
Max
20
70
—
—
—
—
Erase/Write
Section
Units
bytes
ms
µs
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