ZUSBOPTSC01ZACG datasheet(163/282 Pages) ZILOG

163 / 282 page

PS022827-1212

P R E L I M I N A R Y

Flash Memory

Z8 Encore! XP® F082A Series

Product Specification

146

Flash Memory

The products in the Z8 Encore! XP F082A Series feature a nonvolatile Flash memory of

8KB (8192), 4 KB (4096), 2 KB (2048 bytes), or 1KB (1024) with read/write/erase capa-

bility. The Flash Memory can be programmed and erased in-circuit by user code or

through the On-Chip Debugger. The features include:

•

User controlled read and write protect capability

•

Sector-based write protection scheme

•

Additional protection schemes against accidental program and erasure

Architecture

The Flash memory array is arranged in pages with 512 bytes per page. The 512-byte page

is the minimum Flash block size that can be erased. Each page is divided into 8 rows of 64

bytes.

For program or data protection, the Flash memory is also divided into sectors. In the Z8

Encore! XP F082A Series, these sectors are either 1024 bytes (in the 8KB devices) or 512

bytes (all other memory sizes) in size. Page and sector sizes are not generally equal.

The first 2 bytes of Flash Program memory are used as Flash option bits. For more infor-

mation about their operation, see the Flash Option Bits chapter on page 159.

Table 78 describes the Flash memory configuration for each device in the Z8 Encore! XP

F082A Series. Figure 21 displays the Flash memory arrangement.

Table 78. Z8 Encore! XP F082A Series Flash Memory Configurations

Part Number

Flash Size

KB (Bytes)

Flash

Pages

Program Memory

Addresses

Flash Sector

Size (Bytes)

Z8F08xA

8 (8192)

0000H–1FFFH

1024

Z8F04xA

4 (4096)

0000H–0FFFH

512

Z8F02xA

2 (2048)

0000H–07FFH

512

Z8F01xA

1 (1024)

0000H–03FFH

512

ZUSBOPTSC01ZACG 数据表(PDF) 163 Page - Zilog, Inc.

ZUSBOPTSC01ZACG 数据表(HTML) 163 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

数据表下载