4501 datasheet(163/212 Pages) RENESAS

163 / 212 page

2.7 RAM back-up

2-46

Rev.2.01

Feb 07, 2005

4501 Group

APPLICATION

REJ09B0192-0201

Pull-up control register PU2

at reset : 00002

at RAM back-up : state retained

Pull-up transistor OFF

Pull-up transistor ON

Pull-up transistor OFF

Pull-up transistor ON

Pull-up transistor OFF

Pull-up transistor ON

Pull-up transistor OFF

Pull-up transistor ON

Port D3/K

pull-up transistor control bit

Port D2/C

pull-up transistor control bit

Port P21/AIN1

pull-up transistor control bit

Port P20/AIN0

pull-up transistor control bit

PU23

PU22

PU21

PU20

Note: “W” represents write enabled.

(6)

Pull-up control register PU2

Set the contents of this register through register A with the TPU2A instruction.

Table 2.7.9 shows the pull-up control register PU2.

Table 2.7.9 Pull-up control register PU2

Pull-up control register PU1

at reset : 00002

at RAM back-up : state retained

Pull-up transistor OFF

Pull-up transistor ON

Pull-up transistor OFF

Pull-up transistor ON

Pull-up transistor OFF

Pull-up transistor ON

Pull-up transistor OFF

Pull-up transistor ON

Port P13/INT

pull-up transistor control bit

Port P12/CNTR

pull-up transistor control bit

Port P11

pull-up transistor control bit

Port P10

pull-up transistor control bit

PU13

PU12

PU11

PU10

Note: “W” represents write enabled.

(5)

Pull-up control register PU1

Set the contents of this register through register A with the TPU1A instruction.

Table 2.7.8 shows the pull-up control register PU1.

Table 2.7.8 Pull-up control register PU1

4501 Datasheet(PDF) 163 Page - Renesas Technology Corp

4501 Datasheet(HTML) 163 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