gc80c521a CORERIVER Semiconductor, gc80c521a Datasheet - Page 58

• Manufacturer Part Number: gc80c521a
• Description: Flash / Isp / Iap 8-bit Turbo Microcontrollers
• Manufacturer: CORERIVER Semiconductor

I2CSLA (EBh) : I
EIE (A1h) : Extended Interrupt Enable Register
R/W(0) R/W(0) R/W(0) R/W(0) R/W(0) R/W(0) R/W(0) R/W(0)
SLA1.7
R/W(0)
6.12. I2C : SFR
In 7-bit address mode and in 10-bit address mode (1
In 10-bit address mode (2
ESPI
Two-wire Interface
Master or Slave Operation
Transmitter or Receiver Operation
100Kbps (Min. Fosc = 1MHz), 400Kbps (Min. Fosc = 4MHz)
7bits / 10bits (Extended 15bits) Address Mode
Transfer Wait State
Fully Programmable Slave Address
SDA/SCL Schmitt-trigger input
256 Programmable Bit Rates
Wake-up from IDLE mode
Compatible with Phillips I2C protocol
I2C_SLA[7:1] is used for matching address and I2C_SLA[0] is masked.
I2C_SLA[7:0] is used for matching address.
EI2C
SLA[7:0]
SLA1.6
-
: I2C Interrupt Enable
: I
R/W(0) R/W(0) R/W(0) R/W(0) R/W(0) R/W(0)
SLA1.5
2
EI2C
C Slave Address Register.
2
C Slave Address Register
SLA1.4
EWDT
nd
SLA),
SLA1.3
EX5
SLA1.2
EX4
SLA1.1
EX3
st
SLA),
SLA1.0
EX2
I2CDAT (ECh) : I
I2CCFG (EAh) : I
I2CSCL (EDh) : I
MDAT.7 MDAT.6 MDAT.5 MDAT.4 MDAT.3 MDAT.2 MDAT.1 MDAT.0
R/W(0) R/W(0) R/W(0) R/W(0) R/W(0) R/W(0) R/W(0) R/W(0)
MSCL.7 MSCL.6 MSCL.5 MSCL.4 MSCL.3 MSCL.2 MSCL.1 MSCL.0
R/W(0) R/W(0) R/W(0) R/W(0) R/W(0) R/W(0) R/W(0) R/W(0)
[0] : Slave mode
[0] : 7-bit mode
[0] : Start/Stop Interrupt Disable
[1] : Respond to the general call address (0x00)
F
I2C
-
-
MSSEL
ADSEL
SP_IE
GCE
MSCL[7:0] : Frequency scaler of I
= F
OSC
-
-
/ (2 * (
: I2C Master/Slave Mode Selection
: 7-bit / 10-bit Address Mode Selection in Slave mode
: Start/Stop Interrupt Enable
: General Call Enable in Slave mode
2
2
2
-
-
C Configuration Register
C SCL Clock Scaler
C Address / Data Register
MSCL[7:0] + 2
MiDAS1.0B Family
-
-
R/W(0) R/W(0) R/W(0) R/W(0)
MSSEL
[1] : Master mode
[1] : 10-bit mode
[1] : Start/Stop Interrupt Enable
))
2
C Master
ADSEL
SP_IE
GCE
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