7540 datasheet(147/366 Pages) RENESAS

147 / 366 page

2-71

REJ09B0018-0200Z

Rev.2.00

Jun 21, 2004

7540 Group

APPLICATION

2.5 Timer Y and timer Z

Fig. 2.5.15 Structure of Interrupt request register 1

Interrupt request register 1

b7 b6 b5 b4 b3 b2 b1 b0

Function

At reset

Name

Interrupt request register 1 (IREQ1) [Address : 3C 16]

Serial I/O1 receive

interrupt request bit

Serial I/O1 transmit interrupt

request bit

0 : No interrupt request issued

1 : Interrupt request issued

CNTR0 interrupt request bit

CNTR1 interrupt request bit

✽: These bits can be cleared to “0” by program, but cannot be set to “1”.

0 : No interrupt request issued

1 : Interrupt request issued

INT0 interrupt request bit

INT1 interrupt request bit

0 : No interrupt request issued

1 : Interrupt request issued

0 : No interrupt request issued

1 : Interrupt request issued

Key-on wake up interrupt

request bit

0 : No interrupt request issued

1 : Interrupt request issued

0 : No interrupt request issued

1 : Interrupt request issued

0 : No interrupt request issued

1 : Interrupt request issued

✽

Timer X interrupt request bit

0 : No interrupt request issued

1 : Interrupt request issued

✽

Fig. 2.5.16 Structure of Interrupt request register 2

Interrupt request register 2

b7 b6 b5 b4 b3 b2 b1 b0

Function

At reset

Name

Interrupt request register 2 (IREQ2) [Address : 3D 16]

Nothing is allocated for these bits. These are write disabled bits.

When these bits are read out, the values are “0”.

Timer Y interrupt request bit

Timer Z interrupt request bit

0 : No interrupt request issued

1 : Interrupt request issued

Timer 1 interrupt request bit

✽: These bits can be cleared to “0” by program, but cannot be set to “1”.

0 : No interrupt request issued

1 : Interrupt request issued

Timer A interrupt request bit

Serial I/O2 interrupt request

bit

0 : No interrupt request issued

1 : Interrupt request issued

0 : No interrupt request issued

1 : Interrupt request issued

AD converter interrupt

request bit

0 : No interrupt request issued

1 : Interrupt request issued

0 : No interrupt request issued

1 : Interrupt request issued

✽

7540 Datasheet(PDF) 147 Page - Renesas Technology Corp

7540 Datasheet(HTML) 147 Page - Renesas Technology Corp

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ...More

Datasheet Download

Link URL