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AT89C5130A-RDTUM Datasheet(PDF) 6 Page - ATMEL Corporation |
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AT89C5130A-RDTUM Datasheet(HTML) 6 Page - ATMEL Corporation |
6 / 188 page 6 4337K–USB–04/08 AT89C5130A/31A-M Figure 3-3. AT89C5130A/31A-M 32-pin QFN Pinout 3.2 Signals All the AT89C5130A/31A-M signals are detailed by functionality on Table 3-1 through Table 3- 12. Table 3-1. Keypad Interface Signal Description Table 3-2. Programmable Counter Array Signal Description 1 2 3 4 5 6 QFN32 7 P3.0/RxD AVSS XTAL1 UCAP P3.5/T1/LED1 XTAL2 RST P3.7/RD/LED3 VSS P4.1/SDA P1.0/T2/KIN0 VDD 8 PLLF P3.6/WR/LED2 NC NC 24 23 22 21 20 19 18 17 9 10 11 12 13 14 15 16 32 31 30 29 28 27 26 25 Note : The metal plate can be connected to Vss Signal Name Type Description Alternate Function KIN[7:0) I Keypad Input Lines Holding one of these pins high or low for 24 oscillator periods triggers a keypad interrupt if enabled. Held line is reported in the KBCON register. P1[7:0] Signal Name Type Description Alternate Function ECI I External Clock Input P1.2 |
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