Z8F2480 datasheet(88/412 Pages) ZILOG

88 / 412 page

PS025017-1222

P R E L I M I N A R Y

General-Purpose Input/Output

Z8 Encore! XP® F1680 Series

Product Specification

7.11.7. Port A–E Stop Mode Recovery Source Enable

Subregisters

The Port A–E Stop Mode Recovery Source Enable Subregister, shown in Table 27, is

accessed through the Port A–E Control Register by writing 05h to the Port A–E Address

to 1 configures the specified port pins as Stop Mode Recovery sources. During STOP

Mode, any logic transition on a port pin enabled as a Stop Mode Recovery source initiates

Stop Mode Recovery.

7.11.8. Port A–E Pull-up Enable Subregisters

The Port A–E Pull-up Enable Subregister, shown in Table 28, is accessed through the Port

A–E Control Register by writing 06h to the Port A–E Address Register. Setting the bits in

the Port A–E Pull-up Enable subregisters enables a weak internal resistive pull-up on the

specified port pins.

Table 27. Port A–E Stop Mode Recovery Source Enable Subregisters (PxSMRE)

Bits

Field

PSMRE7

PSMRE6

PSMRE5

PSMRE4

PSMRE3

PSMRE2

PSMRE1

PSMRE0

Reset

00000000

R/W

R/WR/W

Address

If 05h in Port A–E Address Register, accessible through the Port A–E Control Register.

Bit

Description

[7:0]

PSMRE

Port Stop Mode Recovery Source Enabled

0 = The Port pin is not configured as a Stop Mode Recovery source. Transitions on this pin

during STOP Mode do not initiate Stop Mode Recovery.

1 = The Port pin is configured as a Stop Mode Recovery source. Any logic transition on this pin

during STOP Mode initiates Stop Mode Recovery.

Table 28. Port A–E Pull-Up Enable Subregisters (PxPUE)

Bits

Field

PPUE7

PPUE6

PPUE5

PPUE4

PPUE3

PPUE2

PPUE1

PPUE0

Reset

00000000

R/W

R/WR/W

Address

If 06h in Port A

–E Address Register, accessible through the Port A–E Control Register.

Bit

Description

[7:0]

PPUE

Port Pull-up Enabled

0 = The weak pull-up on the Port pin is disabled.

1 = The weak pull-up on the Port pin is enabled.

Z8F2480 Datasheet(PDF) 88 Page - Zilog, Inc.

Z8F2480 Datasheet(HTML) 88 Page - Zilog, Inc.

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