AT89C5131A-PUTIM Atmel, AT89C5131A-PUTIM Datasheet - Page 146

• 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: -

146
AT89C5130A/31A-M
Table 21-12. UBYCTHX Register
Reset Value = 00h
Bit Number
7-2
2-0
7
-
Bit Mnemonic Description
BYCT[10:8]
UBYCTHX (S:E3h)
USB Byte Count High Register X (X = EPNUM set in UEPNUM Register UEP-
NUM (S:C7h) USB Endpoint Number)
6
-
-
Reserved
The value read from these bits is always 0. Do not set these bits.
Byte Count MSB
Most Significant Byte of the byte count of a received data packet. The Least significant
part is provided by UBYCTLX Register UBYCTLX (S:E2h) USB Byte Count Low
Register X (X = EPNUM set in UEPNUM Register UEPNUM (S:C7h) USB Endpoint
Number) (see Figure 21-11 on page 145).
5
-
4
-
3
-
2
-
BYCT9
1
4337K–USB–04/08
BYCT8
0