AT89C5131A-PUTIM Atmel, AT89C5131A-PUTIM Datasheet - Page 136

• Manufacturer Part Number: AT89C5131A-PUTIM
• Description: IC 8051 MCU FLASH 32K USB 32QFN
• Manufacturer: Atmel
• Series: AT89C513xr

Specifications of AT89C5131A-PUTIM

• Core Processor: C52X2
• Core Size: 8-Bit
• Speed: 48MHz
• Connectivity: I²C, SPI, UART/USART, USB
• Peripherals: LED, POR, PWM, WDT
• Number Of I /o: 18
• Program Memory Size: 32KB (32K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 4K x 8
• Ram Size: 1.25K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 32-VQFN Exposed Pad, 32-HVQFN, 32-SQFN, 32-DHVQFN
• For Use With: AT89STK-10 - KIT EVAL APPL MASS STORAGEAT89STK-05 - KIT STARTER FOR AT89C5131
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Data Converters: -

Figure 21-14. Disconnect Timing
21.10 USB Interrupt System
21.10.1
136
AT89C5130A/31A-M
Interrupt System Priorities
D+
D-
V
IHZ
(min)
V
V
SS
IL
Controller
Figure 21-13. Example of V
Figure 21-15. USB Interrupt Control System
Table 21-2.
USB
D+
D-
Disconnected
Device
Priority Levels
IPHUSB
0
0
1
1
EUSB
IE1.6
Interrupt Enable
AT89C5131
REF
> = 2,5 ms
Connection
IE0.7
EA
V
REF
D-
D+
IPLUSB
0
1
0
1
Disconnect
Detected
Priority Enable
1.5 kW
IPH/L
00
01
10
11
USB Priority Level
0
1
2
3
Lowest
Highest
Lowest Priority Interrupts
1
2
3
4
USB-B Connector
V
D-
D+
GND
CC
4337K–USB–04/08