C8051F700-GQR Silicon Laboratories Inc, C8051F700-GQR Datasheet - Page 94
C8051F700-GQR
Manufacturer Part Number
C8051F700-GQR
Description
MCU 8-Bit C8051F70x 8051 CISC 15KB Flash 1.8V/3V 64-Pin TQFP T/R
Manufacturer
Silicon Laboratories Inc
Datasheet
1.C8051F700DK.pdf
(306 pages)
Specifications of C8051F700-GQR
Package
64TQFP
Device Core
8051
Family Name
C8051F70x
Maximum Speed
25 MHz
Ram Size
512 Byte
Program Memory Size
15 KB
Operating Supply Voltage
1.8|3 V
Data Bus Width
8 Bit
Program Memory Type
Flash
Number Of Programmable I/os
54
Interface Type
I2C/SMBus/SPI/UART
On-chip Adc
16-chx10-bit
Operating Temperature
-40 to 85 °C
Number Of Timers
4
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C8051F70x/71x
SFR Definition 15.10. CS0MD1: Capacitive Sense Mode 1
SFR Address = 0xAD; SFR Page = 0
94
Name
Reset
7:6
5:4
2:0
Bit
Type
3
Bit
CS0CG[2:0]
CS0DR[1:0]
Unused
Unused
Name
7
0
R
Read = 00b; Write = Don’t care
CS0 Double Reset Select.
These bits adjust the secondary CS0 reset time. For most touch-sensitive
switches, the default (fastest) value is sufficient, and these bits should not be
modified.
00: No additional time is used for secondary reset (recommended for most
switches)
01: An additional 0.75 µs is used for secondary reset.
10: An additional 1.5 µs is used for secondary reset.
11: An additional 2.25 µs is used for secondary reset.
Read = 0b; Write = Don’t care
CS0 Reference Gain Select.
These bits select the "gain" applied to the current used to charge an internal refer-
ence capacitor. Lower gain values decrease the current setting, and increase
both the size of the capacitance that can be measured with the CS0 module, and
the base conversion time. Refer to “15.2. CS0 Gain Adjustment” on page 81 for
more information.
000: Gain = 1x
001: Gain = 2x
010: Gain = 3x
011: Gain = 4x
100: Gain = 5x
101: Gain = 6x
110: Gain = 7x
111: Gain = 8x (default)
6
0
5
0
CS0DR[1:0]
R/W
Rev. 1.0
4
0
Description
R
3
0
R/W
2
1
CS0CG[2:0]
R/W
1
1
R/W
0
1
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