AN2136SC Cypress Semiconductor Corp, AN2136SC Datasheet - Page 325

• Manufacturer Part Number: AN2136SC
• Description: IC MCU 8051 8K RAM 24MHZ 44QFP
• Manufacturer: Cypress Semiconductor Corp
• Series: EZ-USB®r

Specifications of AN2136SC

• 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: 428-1309

EZ-USB TRM v1.9
IP.7
IP.6
IP.5
IP.4
IP.3
IP.2
IP.1
IP.0
Bit
Appendix C: 8051 Hardware Description
Table C-13. IP Register - SFR B8h
Reserved. Read as 1.
PS1 - Serial Port 1 interrupt priority control. PS1=0 sets
Serial Port 1 interrupt (TI_1 or RI_1) to low priority. PS1=1
sets Serial port 1 interrupt to high priority.
interrupt (TF2) to low priority. PT2=1 sets Timer 2 interrupt
to high priority.
PS0 - Serial Port 0 interrupt priority control. PS0=0 sets
Serial Port 0 interrupt (TI_0 or RI_0) to low priority. PS0=1
sets Serial Port 0 interrupt to high priority.
interrupt (TF1) to low priority. PT1=1 sets Timer 1 interrupt
to high priority.
PX1 - External interrupt 1 priority control. PX 1= 0 sets
external interrupt 1 (INT1) to low priority. PT1 = 1 sets
external interrupt 1 to high priority.
interrupt (TF0) to low priority. PT0=1 sets Timer 0 interrupt
to high priority.
PX0 - External interrupt 0 priority control. PX0 = 0 sets
external interrupt 0 (INT0) to low priority. PX0=1 sets
external interrupt 0 to high priority.
PT2 - Timer 2 interrupt priority control. PT2=0 sets Timer 2
PT2 - Timer 1 interrupt priority control. PT1 = 0 sets Timer 1
PT0 - Timer 0 interrupt priority control. PT0 = 0 sets Timer 0
Function
C - 29