c8051t623-g Silicon Laboratories, c8051t623-g Datasheet - Page 152
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c8051t623-g
Manufacturer Part Number
c8051t623-g
Description
Full Speed Usb Eprom Mcu Family
Manufacturer
Silicon Laboratories
Datasheet
1.C8051T623-G.pdf
(247 pages)
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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 19.4 shows
some example parameter settings and the slave addresses that will be recognized by hardware under
those conditions.
SFR Definition 19.3. SMB0ADR: SMBus Slave Address
SFR Address = 0xC7
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 19.4. 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
C8051T622/3 and C8051T326/7
SLV[6:0]
R/W
Rev. 1.1
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
2
0
1
0
R/W
GC
0
0
159
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