AT89C5131A-RDTIM Atmel, AT89C5131A-RDTIM Datasheet - Page 143
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AT89C5131A-RDTIM
Manufacturer Part Number
AT89C5131A-RDTIM
Description
C5131A 32K FLASH USB VQFP64 IND, 5V
Manufacturer
Atmel
Datasheet
1.AT89C5131A-RDTIM.pdf
(176 pages)
- Current page: 143 of 176
- Download datasheet (3Mb)
4136C–USB–04/05
Table 99. UBYCTHX Register
UBYCTHX (S:E3h)
USB Byte Count High Register X (X = EPNUM set in UEPNUM Register UEPNUM
(S:C7h) USB Endpoint Number)
Reset Value = 00h
Bit Number Bit Mnemonic Description
7-2
2-0
7
-
BYCT[10:8]
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 98 on page 140).
5
-
4
-
3
-
2
-
AT89C5131
BYCT9
1
BYCT8
0
141
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