CY7C63221A-PXC Cypress Semiconductor Corp, CY7C63221A-PXC Datasheet - Page 34

• Manufacturer Part Number: CY7C63221A-PXC
• Description: IC MCU 3K USB LS PERIPH 16-DIP
• Manufacturer: Cypress Semiconductor Corp
• Series: enCoRe™r

Specifications of CY7C63221A-PXC

• Applications: USB Microcontroller
• Core Processor: M8B
• Program Memory Type: OTP (3 kB)
• Controller Series: CY7C632xx
• Ram Size: 96 x 8
• Interface: USB
• Number Of I /o: 8
• Voltage - Supply: 3.5 V ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Through Hole
• Package / Case: 16-DIP (0.300", 7.62mm)
• Operating Temperature (max): 70C
• Operating Temperature (min): 0C
• Operating Temperature Classification: Commercial
• Mounting: Through Hole
• Pin Count: 16
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 428-1861; CY7C63221A-PXC

Bit [7:0]: P0 [7:0] Interrupt Enable
Bit [7:0]: P1 [7:0] Interrupt Enable
Document #: 38-08028 Rev. *B
Read/Write
Read/Write
Bit Name
Bit Name
1 = Enables GPIO interrupts from the corresponding input pin.
0 = Disables GPIO interrupts from the corresponding input pin.
1 = Enables GPIO interrupts from the corresponding input pin.
0 = Disables GPIO interrupts from the corresponding input pin.
Reset
Reset
Wake-up
Int
Bit #
Bit #
USB-
PS/2
Int
EP1
Int
1
1
1
D
D
CLK
CLK
CLK
D
CLR
CLR
CLR
W
7
0
7
0
-
Q
Q
Q
(Reg 0x21)
Enable [1]
(Reg 0x20)
Enable [0]
(Reg 0x20)
Enable [7]
Figure 19-4. Port 0 Interrupt Enable Register (Address 0x04)
Figure 19-5. Port 1 Interrupt Enable Register (Address 0x05)
W
6
0
6
0
Figure 19-3. Interrupt Controller Logic Block Diagram
-
FOR
FOR
W
5
0
5
0
-
Reserved
GPIO CLR
USB-PS/2 IRQ
128-µs CLR
128-µs IRQ
1-ms CLR
1-ms IRQ
EP1 CLR
EP1 IRQ
GPIO IRQ
EP0 CLR
EP0 IRQ
Wake-up CLR
USB-PS/2 Clear
Wake-up IRQ
P0 Interrupt Enable
Interrupt
Encoder
Priority
W
4
0
4
0
-
Interrupt
IRQout
Vector
W
3
0
3
0
-
Acknowledge
CPU
To CPU
Interrupt
Interrupt
Enable
Global
CLR
Bit
W
2
0
2
0
-
CY7C63221/31A
enCoRe™ USB
Controlled by DI, EI, and
RETI Instructions
P1[1:0] Interrupt Enable
W
W
IRQ Pending
1
0
1
0
(Bit 7, Reg 0xFF)
Sense
Int Enable
(Bit 2, Reg 0xFF)
IRQ
Page 34 of 50
W
W
0
0
0
0
[+] Feedback