HD64570F Renesas Electronics America, HD64570F Datasheet - Page 461

• Manufacturer Part Number: HD64570F
• Description: IC SCA SRL COMM ADAPTER 88QFP
• Manufacturer: Renesas Electronics America

Specifications of HD64570F

• Applications: ISDN
• Interface: Serial
• Voltage - Supply: 4.5 V ~ 5.5 V
• Package / Case: 88-QFP
• Mounting Type: Surface Mount
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Register
DMAC (Channel 2)
Byte Count Register
Channel 2: BCRL
Channel 2
Byte Count Register
Channel 2: BCRH
Channel 2
DMA Status Register
Channel 2: DSR
Channel 2
CPU
Mode
0, 1
CEH
CFH
D0H
Address
CPU
Mode
2, 3
CFH
CEH
D1H
Single-block
transfer mode
Chained-block
transfer mode
Read/Write
Initial value
End of transfer
0:
1:
Remarks
Transfer not completed
Transfer completed
Single-block transfer
mode
Chained-block
transfer mode
EOT
R/W
7
0
End of frame transfer
•
0:
1:
Chained-block transfer
Frame transfer not completed
Frame transfer completed
EOM
R/W
—
6
0
15
Buffer overflow/underflow
•
0:
1:
—
BOF
R/W
Chained-block transfer
No error detected
Error detected
5
0
Counter overflow
•
0:
1:
Rev. 0, 07/98, page 445 of 453
BCRH
—
Chained-block
transfer
No error detected
Error detected
R/W
COF
H
4
0
—
—
3
0
8 7
—
—
2
0
DMA enable
0:
1:
BCRL
Disable
Enable
R/W
DE bit write enable
0:
1:
DE
L
1
0
Enable
Disable
DWE
W
0
1
0