AN2131SC Cypress Semiconductor Corp, AN2131SC Datasheet - Page 178

• Manufacturer Part Number: AN2131SC
• Description: IC MCU 8051 8K RAM 24MHZ 44QFP
• Manufacturer: Cypress Semiconductor Corp
• Series: EZ-USB®r

Specifications of AN2131SC

• Applications: USB Microcontroller
• Core Processor: 8051
• Program Memory Type: ROMless
• Controller Series: AN213x
• Ram Size: 8K x 8
• Interface: I²C, USB
• Number Of I /o: 16
• Voltage - Supply: 3 V ~ 3.6 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 44-QFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 428-1306; AN2131SC

The I
transition of the STOP bit. To enable this interrupt, set the STOPIE bit in the I2CMODE
register. The 8051 determines the interrupt source by checking the DONE and STOP bits
in the I2CS register.
EZ-USB TRM v1.9
I2CMODE
I2CS
I2DAT
9.14
START
R/W
R/W
D7
b7
b7
b7
R
0
0
0
x
2
C interrupt includes one additional interrupt source in the AN2122/AN2126, a 1-0
I
2
C STOP Complete Interrupt - (AN2122/AN2126 only)
STOP
R/W
R/W
D6
b6
b6
b6
R
0
0
0
x
LASTRD
Figure 9-12. I
R/W
R/W
D5
b5
b5
b5
R
0
0
0
x
Figure 9-11. I
I
2
Chapter 9. EZ-USB Interrupts
C Control and Status
Figure 9-13. I
ID1
R/W
D4
b4
b4
2
b4
R
R
X
0
0
x
C Control and Status Register
I
I
2
2
C Mode
C Data
2
C Mode Register
2
C Data
R/W
ID0
D3
b3
b3
b3
X
0
R
R
0
x
BERR
R/W
D2
b2
b2
b2
R
R
0
0
0
x
STOPIE
ACK
R/W
R/W
D1
b1
b1
b1
R
0
0
x
DONE
Page 9-15
R/W
D0
b0
b0
b0
R
R
0
0
0
x
7FA7
7FA5
7FA6