AN2131QC Cypress Semiconductor Corp, AN2131QC Datasheet - Page 294

• Manufacturer Part Number: AN2131QC
• Description: IC MCU 8051 8K RAM 24MHZ 80BQFP
• Manufacturer: Cypress Semiconductor Corp
• Series: EZ-USB®r

Specifications of AN2131QC

• 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: 24
• Voltage - Supply: 3 V ~ 3.6 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 80-QFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 428-1307

B - 14
TH2
PSW
EICON
ACC
EIE
B
EIP
SP
DPL0
DPH0
DPL1
DPH1
DPS
PCON
TCON
TMOD
TL0
TL1
TH0
TH1
CKCON
SPC_FNC
EXIF
Register
Register
(1)
(1)
(1)
(1)
(1)
(1)
(1)
Not part of standard 8051 architecture.
(1)
(1)
(1)
SMOD1
Bit 7
Bit 7
CY
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Bit 6
Bit 6
AC
Table B-5. Special Function Register Reset Values
1
1
1
Appendix B: 8051 Architectural Overview
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Table B-4. Special Function Registers
ERESI
Bit 5
Bit 5
F0
1
1
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
EWDI
RESI
Bit 4
PX6
Bit 4
RS1
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
INT6
Bit 3
Bit 3
EX5
PX5
RS0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
Bit 2
Bit 2
EX4
PX4
OV
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
EI2C
Bit 1
PI2C
Bit 1
F1
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
EZ-USB TRM v1.9
EUSB
PUSB
Bit 0
Bit 0
P
0
1
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
Addr
Addr
CDh
E0H
D0h
D8h
8Ah
8Bh
8Ch
8Dh
E8h
8Eh
F0h
F8h
81h
82h
83h
84h
85h
86h
87h
88h
89h
8Fh
91h