AN2135SC Cypress Semiconductor Corp, AN2135SC Datasheet - Page 324

• Manufacturer Part Number: AN2135SC
• Description: IC MCU 8051 8K RAM 24MHZ 44QFP
• Manufacturer: Cypress Semiconductor Corp
• Series: EZ-USB®r

Specifications of AN2135SC

• 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: 8
• 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: 428-1308

C - 28
IE.7
IE.6
IE.5
IE.4
IE.3
IE.2
IE.1
IE.0
Bit
Appendix C: 8051 Hardware Description
Table C-12. IE Register - SFR A8h
ES1 - Enable Serial Port 1 interrupt. ES1 = 0 disables Serial
ES0 - Enable Serial Port 0 interrupt. ES0 = 0 disables Serial
EX1 - Enable external interrupt 1. EX1 = 0 disables external
EX0 - Enable external interrupt 0. EX0 = 0 disables external
EA - Global interrupt enable. Controls masking of all
interrupts except USB wakeup (resume). EA = 0 disables all
interrupts except USB wakeup. When EA = 1, interrupts are
enabled or masked by their individual enable bits.
port 1 interrupts (TI_1 and RI_1). ES1 = 1 enables interrupts
generated by the TI_1 or TI_1 flag.
ET2 - Enable Timer 2 interrupt. ET2 = 0 disables Timer 2
interrupt (TF2). ET2=1 enables interrupts generated by the
TF2 or EXF2 flag.
Port 0 interrupts (TI_0 and RI_0). ES0=1 enables interrupts
generated by the TI_0 or RI_0 flag.
ET1 - Enable Timer 1 interrupt. ET1 = 0 disables Timer 1
interrupt (TF1). ET1=1 enables interrupts generated by the
TF1 flag.
interrupt 1 (INT1). EX1=1 enables interrupts generated by
the INT1# pin.
ET0 - Enable Timer 0 interrupt. ET0 = 0 disables Timer 0
interrupt (TF0). ET0=1 enables interrupts generated by the
TF0 flag.
interrupt 0 (INT0). EX0=1 enables interrupts generated by
the INT0# pin.
Function
EZ-USB TRM v1.9