SAB82525NV22XT Infineon Technologies, SAB82525NV22XT Datasheet - Page 15

• Manufacturer Part Number: SAB82525NV22XT
• Manufacturer: Infineon Technologies

Specifications of SAB82525NV22XT

• Operating Supply Voltage (typ): 5V
• Operating Supply Voltage (min): 4.75V
• Operating Supply Voltage (max): 5.25V
• Operating Temp Range: 0C to 70C
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 44
• Lead Free Status / RoHS Status: Compliant

Pin No.
P-LCC P-MQFP
Pin Definitions and Functions (cont’d)
40
38
41
Semiconductor Group
1
43
2
Symbol
DRQTA
DRQTB
V
DD
Input (I)
Output (O)
O
I
Function
DMA Request Transmitter (channel A/channel B)
The transmitter of the HSCX requests a DMA data transfer
by activating this line.
The DRQTn remains high as long as the transmit FIFO
requires data transfers.
The amount of data bytes to be transferred from system
memory to the HSCX (= byte count) must be written first to
the XBCH, XBCL registers.
Always blocks of data (n x 32 bytes + REST, n = 0, 1,…)
are transferred till the byte count is reached.
DRQTn is deactivated immediately following the falling
edge of the last WR cycle.
Power supply + 5 V.
15
SAB
SAB
SAF
SAF
82525
82526
82525
82526