HD6432646 Hitachi, HD6432646 Datasheet - Page 1091
HD6432646
Manufacturer Part Number
HD6432646
Description
(HD64F264x Series) 16-Bit Microcomputer
Manufacturer
Hitachi
Datasheet
1.HD6432646.pdf
(1155 pages)
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SCR2—Serial Control Register 2
Transmit Interrupt Enable
Receive Interrupt Enable
Bit
Initial value
Read/Write
0
1
0
1
Transmit-data-empty interrupt
(TXI) request disabled
Transmit-data-empty interrupt
(TXI) request enabled
Receive-data-full interrupt (RXI)
request and receive-error interrupt
(ERI) request disabled
Receive-data-full interrupt (RXI)
request and receive-error interrupt
(ERI) request enabled
R/W
TIE
7
0
*1
*2
R/W
RIE
6
0
Transmit Enable
0
1
R/W
TE
Receive Enable
Transmission disabled
Transmission enabled
5
0
0
1
Multiprocessor Interrupt Enable
0
1
Reception disabled
Reception enabled
Transmit End Interrupt Enable
Multiprocessor interrupts disabled
(normal reception mode performed)
[Clearing conditions]
• When the MPIE bit is cleared to 0
• When MPB = 1 data is received
Multiprocessor interrupts enabled
Receive interrupt (RXI) requests, receive-error interrupt (ERI)
requests, and setting of the RDRF, FER, and ORER flags in
SSR are disabled until data with the multiprocessor bit set to
1 is received
0
1
R/W
RE
Clock Enable 1 and 0
Transmit-end interrupt (TEI) request disabled
Transmit-end interrupt (TEI) request enabled
4
0
0
1
0
1
0
1
Asynchronous
mode
Clocked
synchronous mode
Asynchronous
mode
Clocked
synchronous mode
Asynchronous
mode
Clocked
synchronous mode
Asynchronous
mode
Clocked
synchronous mode
*4
*3
MPIE
H'FF8A
*6
R/W
*5
3
0
TEIE
R/W
2
0
*7
Internal clock/SCK pin
functions as I/O port
Internal clock/SCK pin
functions as serial clock output
functions as clock output
Internal clock/SCK pin
functions as serial clock output
External clock/SCK pin
functions as clock input
External clock/SCK pin
functions as serial clock input
External clock/SCK pin
functions as clock input
External clock/SCK pin
functions as serial clock input
Internal clock/SCK pin
CKE1
R/W
1
0
*8
*8
CKE0
R/W
0
0
*10
*10
*9
SCI2
1057
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