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Z8F021ASH020SC 数据表(PDF) 26 Page - Zilog, Inc. |
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Z8F021ASH020SC 数据表(HTML) 26 Page - Zilog, Inc. |
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26 / 276 page  PS022815-0206 Pin Description Z8 Encore! XP® 4K Series Product Specification 7 Pin Description Overview The Z8 Encore! XP® 4K Series products are available in a variety of packages styles and pin configurations. This chapter describes the signals and available pin configurations for each of the package styles. For information regarding the physical package specifications, refer to the chapter Packaging on page 230. Available Packages Table 2 identifies the package styles that are available for each device in the Z8 Encore! XP® 4K Series product line. Pin Configurations Figures 2 through Figures 4 illustrate the pin configurations for all of the packages avail- able in the Z8 Encore! XP® 4K Series. Refer to Table 3 for a description of the signals. The analog input alternate functions (ANAx) are not available on the Z8F041A, Z8F021A, and Z8F011A devices. The analog supply pins (AVDD and AVSS) are also not available on these parts, and are replaced by PB6 and PB7. At reset, all Port A, B and C pins default to an input state. In addition, any alternate func- tionality is not enabled, so the pins function as general purpose input ports until pro- grammed otherwise. At powerup, the Port D0 pin defaults to the RESET alternate function. Table 2. Z8 Encore! XP® 4K Series Package Options Part Number ADC 8-pin PDIP 8-pin SOIC 20-pin PDIP 20-pin SOIC 20-pin SSOP 28-pin PDIP 28-pin SOIC 28-pin SSOP 8-pin QFN/ MLF-S Z8F042A Yes X X X X X X X X X Z8F041A No X X X X X X X X X Z8F022A Yes X X X X X X X X X Z8F021A No X X X X X X X X X Z8F012A Yes X X X X X X X X X Z8F011A No X X X X XXX X X |
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