m37905 Renesas Electronics Corporation., m37905 Datasheet - Page 270
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m37905
Manufacturer Part Number
m37905
Description
Mitsubishi 16-bit Single-chip Microcomputer 7700 Family / 7900 Series
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.M37905.pdf
(565 pages)
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Fig. 11.2.12 Structure of UARTi transmit interrupt control and UARTi receive interrupt control registers
11.2.7 UARTi transmit interrupt control and UARTi receive interrupt control registers
When using UARTi, 2 types of interrupts (UARTi transmit and UARTi receive interrupts) can be used. Each
interrupt has its corresponding interrupt control register. Figure 11.2.12 shows the structure of UARTi
transmit interrupt control and UARTi receive interrupt control registers.
For details about these interrupts, refer to “CHAPTER 6. INTERRUPTS.”
For the UARTi receive interrupt, a receive or receive error interrupt can be selected by the UARTi receive
interrupt mode selected bit (bit 5 at addresses 34
Note: When writing to this bit, use the MOVM (MOVMB) or STA (STAB, STAD) instruction.
UART0 transmit interrupt control register (Address 71
UART0 receive interrupt control register (Address 72
UART1 transmit interrupt control register (Address 73
UART1 receive interrupt control register (Address 74
UART2 transmit interrupt control register (Address F1
UART2 receive interrupt control register (Address F2
7 to 4
Bit
0
1
2
3
Interrupt priority level select bits
Interrupt request bit
Nothing is assigned.
Bit name
7905 Group User’s Manual Rev.1.0
0 : No interrupt requested
1 : Interrupt requested
b2 b1 b0
0 0 0 : Level 0 (Interrupt disabled)
0 0 1 : Level 1
0 1 0 : Level 2
0 1 1 : Level 3
1 0 0 : Level 4
1 0 1 : Level 5
1 1 0 : Level 6
1 1 1 : Level 7
16
, 3C
16
16
16
16
16
16
)
)
)
)
)
)
16
and B4
Function
16
).
b7 b6 b5 b4 b3 b2 b1 b0
11.2 Block description
SERIAL I/O
Undefined
At reset
0
0
0
0
(Note)
R/W
RW
RW
RW
RW
—
11-15
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