M16CSLASH26 datasheet(54/239 Pages) RENESAS

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Interrupts

M16C/26 Group

SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER

Under

development

Preliminary Specifications Rev. 0.9

Specifications in this manual are tentative and subject to change.

Table 1.9.2. Interrupts assigned to the variable vector tables and addresses of vector tables

Software interrupt number

Interrupt source

Vector table address

Address (L) to address (H)

Remarks

Cannot be masked I flag

+0 to +3 (Note 1)

BRK instruction

Software interrupt number 0

+44 to +47 (Note 1)

Software interrupt number 11

+48 to +51 (Note 1)

Software interrupt number 12

+52 to +55 (Note 1)

Software interrupt number 13

+56 to +59 (Note 1)

Software interrupt number 14

+68 to +71 (Note 1)

Software interrupt number 17

+72 to +75 (Note 1)

Software interrupt number 18

+76 to +79 (Note 1)

Software interrupt number 19

+80 to +83 (Note 1)

Software interrupt number 20

+84 to +87 (Note 1)

Software interrupt number 21

+88 to +91 (Note 1)

Software interrupt number 22

+92 to +95 (Note 1)

Software interrupt number 23

+96 to +99 (Note 1)

Software interrupt number 24

+100 to +103 (Note 1)

Software interrupt number 25

+104 to +107 (Note 1)

Software interrupt number 26

+108 to +111 (Note 1)

Software interrupt number 27

+112 to +115 (Note 1)

Software interrupt number 28

+116 to +119 (Note 1)

Software interrupt number 29

+120 to +123 (Note 1)

Software interrupt number 30

+124 to +127 (Note 1)

Software interrupt number 31

+128 to +131 (Note 1)

Software interrupt number 32

+252 to +255 (Note 1)

Software interrupt number 63

Note 1: Address relative to address specified in interrupt table register (INTB).

Note 2: When IIC mode is selected, NACK and ACK interrupts are selected.

Cannot be masked I flag

+40 to +43 (Note 1)

Software interrupt number 10

+60 to +63 (Note 1)

Software interrupt number 15

+64 to +67 (Note 1)

Software interrupt number 16

+20 to +23 (Note 1)

Software interrupt number 5

+24 to +27 (Note 1)

Software interrupt number 6

+28 to +31 (Note 1)

Software interrupt number 7

+32 to +35 (Note 1)

Software interrupt number 8

+16 to +19 (Note 1)

INT3

Software interrupt number 4

+36 to +39 (Note 1)

INT4

Software interrupt number 9

INT5

DMA0

DMA1

Key input interrupt

A-D

UART0 transmit

UART0 receive

UART1 transmit

UART1 receive

Timer A0

Timer A1

Timer A2

Timer A3

Timer A4

Timer B0

Timer B1

Timer B2

INT0

INT1

Reserved

Software interrupt

UART 2 bus collision detection

UART2 transmit/NACK2 (Note 2)

UART2 receive/ACK2 (Note 2)

Reserved

• Variable vector tables

The addresses in the variable vector table can be modified by user’s settings. The first address of the

variable vector table is specified by the user using the interrupt table register (INTB). The subsequent

256-byte addresses becomes the area for the variable vector tables. A vector consists of four bytes.

Set the first address of the interrupt routine in the corresponding vector. Table 1.9.2 shows the

interrupts assigned to the variable vector table and the vector addresses.

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