HD64570 HITACHI [Hitachi Semiconductor], HD64570 Datasheet - Page 102
HD64570
Manufacturer Part Number
HD64570
Description
Serial Communications Adaptor
Manufacturer
HITACHI [Hitachi Semiconductor]
Datasheet
1.HD64570.pdf
(469 pages)
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4.2.4
The read-only interrupt status register 0 indicates the status of interrupt request sources. All bits
are cleared to 0 at a reset.
Bit 7 (TXINT1: MSCI Channel 1 TXINT):
TXINT1 = 0: MSCI channel 1 is not requesting a TxINT interrupt.
TXINT1 = 1: MSCI channel 1 is requesting a TxINT interrupt.
Rev. 0, 07/98, page 86 of 453
MSCI channel 1 TXINT
0:
1:
MSCI channel 1 RXINT
0:
1:
MSCI channel 1 TXRDY
0:
1:
MSCI channel 1 RXRDY
0:
1:
Read/Write
Initial value
Bit name
Note: Initial values are the values after a hardware reset.
Not requested
Requested
Not requested
Requested
Not requested
Requested
Not requested
Requested
Interrupt Status Register 0 (ISR0)
TXINT1RXINT1TXRDY1 R XRDY1
7
R
0
6
R
0
5
R
0
4
R
0
TXINT0RXINT0 TXRDY0 R XRDY0
3
R
0
2
R
0
1
R
MSCI channel 0 RXRDY
0:
1:
MSCI channel 0 TXRDY
0:
1:
MSCI channel 0 RXINT
0:
1:
MSCI channel 0 TXINT
0:
1:
0
Not requested
Requested
Not requested
Requested
Not requested
Requested
Not requested
Requested
R
0
0
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