C8051F700-GQR Silicon Laboratories Inc, C8051F700-GQR Datasheet - Page 229
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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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case, either a 1 or a 0 value are acceptable on the incoming slave address. Additionally, if the GC bit in
register SMB0ADR is set to 1, hardware will recognize the General Call Address (0x00). Table 30.4 shows
some example parameter settings and the slave addresses that will be recognized by hardware under
those conditions.
SFR Definition 30.3. SMB0ADR: SMBus Slave Address
SFR Address = 0xBA; SFR Page = F
Hardware Slave Address
SLV[6:0]
0x34
0x34
0x34
0x34
0x70
Name
Reset
Bit
7:1
Type
0
Bit
SLV[6:0]
Name
GC
7
0
Table 30.4. Hardware Address Recognition Examples (EHACK = 1)
SMBus Hardware Slave Address.
Defines the SMBus Slave Address(es) for automatic hardware acknowledgement.
Only address bits which have a 1 in the corresponding bit position in SLVM[6:0]
are checked against the incoming address. This allows multiple addresses to be
recognized.
General Call Address Enable.
When hardware address recognition is enabled (EHACK = 1), this bit will deter-
mine whether the General Call Address (0x00) is also recognized by hardware.
0: General Call Address is ignored.
1: General Call Address is recognized.
6
0
Slave Address Mask
SLVM[6:0]
0x7F
0x7F
0x7E
0x7E
0x73
5
0
SLV[6:0]
R/W
Rev. 1.0
4
0
GC bit
0
1
0
1
0
Function
3
0
Slave Addresses Recognized by
Hardware
0x34
0x34, 0x00 (General Call)
0x34, 0x35
0x34, 0x35, 0x00 (General Call)
0x70, 0x74, 0x78, 0x7C
C8051F70x/71x
2
0
1
0
R/W
GC
0
0
229
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