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ST92E195B7B0 Arkusz danych(PDF) 9 Page - STMicroelectronics |
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9 / 22 page 9/22 ST92195B - GENERAL DESCRIPTION PIN DESCRIPTION (Cont’d) P0[7:0], P2[5:0], P3[7:4], P4[7:0], P5[1:0] I/O Port Lines (Input/Output, TTL or CMOS com- patible). 28 lines grouped into I/O ports, bit programmable as general purpose I/O or as Alternate functions (see I/O section). Important: Note that open-drain outputs are for logic levels only and are not true open drain. 1.2.1 I/O Port Alternate Functions. Each pin of the I/O ports of the ST92195B may as- sume software programmable Alternate Functions (see Table 1). Table 1. ST92195B I/O Port Alternate Function Summary Port Name General Purpose I/O Pin No. Alternate Functions TQFP64 SDIP56 P0.0 All ports useable for general pur- pose I/O (input, output or bidi- rectional) 4 10 I/O P0.1 3 9 I/O P0.2 2 8 AIN4 I A/D Analog Data Input 4 P0.3 63 7 I/O P0.4 62 6 I/O P0.5 61 5 I/O P0.6 60 4 I/O P0.7 59 3 I/O P2.0 57 1 INT7 I External Interrupt 7 P2.1 56 56 AIN1 I A/D Analog Data Input 1 INT5 I External Interrupt 5 P2.2 55 55 INT0 I External Interrupt 0 AIN2 I A/D Analog Data Input 2 P2.3 54 54 INT6 I External Interrupt 6 VSO1 O Voltage Synthesis Output 1 P2.4 53 53 NMI I Non Maskable Interrupt Input P2.5 52 52 AIN3 I A/D Analog Data Input 3 INT4 I External Interrupt 4 VSO2 O Voltage Synthesis Output 2 P3.4 8 14 I/O P3.5 7 13 I/O P3.6 6 12 I/O P3.7 5 11 RESET0 O Internal Reset Output CSO O Composite Sync output P4.0 40 42 PWM0 O PWM Output 0 P4.1 41 43 PWM1 O PWM Output 1 P4.2 42 44 PWM2 O PWM Output 2 P4.3 43 45 PWM3 O PWM Output 3 TSLU O Translucency Digital Output HT O Half-tone Output P4.4 44 46 PWM4 O PWM Output 4 |
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