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P80CE598FHB Datasheet(PDF) 4 Page - NXP Semiconductors |
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P80CE598FHB Datasheet(HTML) 4 Page - NXP Semiconductors |
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4 / 108 page  1996 Jun 27 4 Philips Semiconductors Product specification 8-bit microcontroller with on-chip CAN P8xCE598 2.2 Recommendation on ALE For application that require no external memory or temporarily no external memory: the ALE output signal (pulses at a frequency of 1 ⁄6 fOSC) can be disabled under software control (bit 5 in PCON SFR: ‘RFI’); if disabled, no ALE pulse will occur. ALE pin will be pulled down internally, switching an external address latch to a quiet state. The MOVX instruction will still toggle ALE as a normal MOVX. ALE will retain its normal HIGH value during Idle mode and a LOW value during Power-down mode while in the ‘RFI reduction mode’. Additionally during internal access (EA = 1) ALE will toggle normally when the address exceeds the internal Program Memory size. During external access (EA = 0) ALE will always toggle normally, whether the flag ‘RFI’ is set or not. 3 ORDERING INFORMATION TYPE NUMBER PACKAGE TEMPERATURE RANGE ( °C) FREQ. (MHz) NAME DESCRIPTION VERSION Without ROM P80CE598FFB QFP80 plastic quad flat package; 80 leads (lead length 1.95 mm); body 14 × 20 × 2.7 mm; high stand-off height SOT318-1 −40 to +85 1.2 to 16 P80CE598FHB −40 to +125 With ROM P83CE598FFB QFP80 plastic quad flat package; 80 leads (lead length 1.95 mm); body 14 × 20 × 2.7 mm; high stand-off height SOT318-1 −40 to +85 1.2 to 16 P83CE598FHB −40 to +125 |
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