r8a77850anbg Renesas Electronics Corporation., r8a77850anbg Datasheet - Page 332

Manufacturer Part Number

r8a77850anbg

Renesas 32-bit Risc Microcomputer Superh? Risc Engine Family

Manufacturer

Renesas Electronics Corporation.

Manufacturer

BOSTOCK HK LIMITED

Part Number:

r8a77850anbgV

Manufacturer:

Renesas Electronics America

Current page: 332 of 1692
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10. Interrupt Controller (INTC)

INT2A0 is a 32-bit read-only register that indicates the interrupt sources of on-chip peripheral

modules. Even if an interrupt is masked by the interrupt mask register, the corresponding bit in

INT2A0 is set (further interrupt operation is not performed for the corresponding bit). Use

INT2A1 instead if the bits for the interrupt sources masked by the interrupt mask registers should

Table 10.6 shows the correspondence between bits in INT2A0 and the interrupt sources.

Table 10.6 Correspondence between Bits in INT2A0 and Interrupt Sources

Rev.1.00 Jan. 10, 2008 Page 302 of 1658

REJ09B0261-0100

Initial value:

Interrupt Source Register (Not affected by Mask Setting) (INT2A0)

These bits are always read

as 0. The write value

should always be 0.

GDTA interrupt source

DU interrupt source

SSI channel 1 interrupt

source indication

SSI channel 0 interrupt

source indication

GPIO interrupt source

FLCTL interrupt source

MMCIF interrupt source

These bits indicate the

interrupt source of each

peripheral module that is

generating an interrupt.

(INT2A0 is not affected by the

setting of the interrupt mask

0: No interrupt

1: An interrupt has occurred

Note: Interrupt sources can

also be identified by

directly reading the

INTEVT code. In this

case, reading from this

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