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TMP93PW20A Datasheet(PDF) 7 Page - Toshiba Semiconductor |
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TMP93PW20A Datasheet(HTML) 7 Page - Toshiba Semiconductor |
7 / 38 page TMP93PW20A 2004-02-10 93PW20A-5 2.2 Pin Names and Functions The TMP93PW20A has MCU mode and PROM mode. (1) Pin functions of TMP93PW20A in MCU mode. Table 2.2.1 Name and Function in MCU Mode (1/3) Pin Names Number of Pins I/O Functions P00 to P07 AD0 to AD7 8 I/O I/O Port 0: I/O port that allows I/O to be selected at the bit level. Address and data (lower): Bits 0 to 7 for address and data bus. P10 to P17 AD8 to AD15 A8 to A15 8 I/O I/O Output Port 1: I/O port that allows I/O to be selected at the bit level. Address and data (Upper): Bits 8 to 15 for address and data bus. Address: Bits 8 to 15 for address bus. P20 to P27 A0 to A7 A16 to A23 8 I/O Output Output Port 2: I/O port that allows I/O to be selected at the bit level (with pull-up resistor). Address: Bits 0 to 7 for address bus. Address: Bits 16 to 23 for address bus. P30 RD 1 Output Output Port 30: Output port. Read: Strobe signal for reading external memory. (Read when reading internal memory at P3<P30> = 0, P3FC<P30F> = 1.) P31 WR 1 Output Output Port 31: Output port. Write: Strobe signal for writing data on pins AD0 to AD7. P32 HWR 1 I/O Output Port 32: I/O port (with pull-up resistor). High write: Strobe signal for writing data on pins AD8 to AD15. P33 INT0 1 I/O Input Port 33: I/O port (with pull-up resistor). Interrupt request pin 0: Interrupt request pin with programmable level/rising/falling edge. P34 INT1 1 I/O Input Port 34: I/O port (with pull-up resistor). Interrupt request pin 1: Interrupt request pin with programmable rising/falling edge. P35 INT2 1 I/O Input Port 35: I/O port (with pull-up resistor). Interrupt request pin 2: Interrupt request pin with programmable rising/falling edge. P36 INT3 1 I/O Input Port 36: I/O port (with pull-up resistor). Interrupt request pin 3: Interrupt request pin with programmable rising/falling edge. P37 INT4 ADTRG 1 I/O Input Input Port 37: I/O port (with pull-up resistor). Interrupt request pin 4: Interrupt request pin with programmable rising/falling edge. ADTRG Input AD external trigger pin: External trigger pin to start AD conversion. P40 TI4 KEY0 1 I/O Input Input Port 40: I/O port (with pull-up resistor). Timer input 4: 16-bit timer 4 input. Key input 0: Key-on wakeup pin 0. P41 TO4 KEY1 1 I/O Output Input Port 41: I/O port (with pull-up resistor). Timer output 4: 16-bit timer 4 output. Key input 1: Key-on wakeup pin 1. P42 TI6 KEY2 1 I/O Input Input Port 42: I/O port (with pull-up resistor). Timer input 6: 16-bit timer 6 input. Key input 2: Key-on wakeup pin 2. P43 TO6 KEY3 1 I/O Output Input Port 43: I/O port (with pull-up resistor). Timer output 6: 16-bit timer 6 output. Key input 3: Key-on wakeup pin 3. P44 to P47 KEY4 to KEY7 4 I/O Input Port 44 to 47: I/O port (with pull-up resistor). Key input 4 to 7: Key-on wakeup pin 4 to 7. P50 to P57 AN0 to AN7 8 Input Input Port 50 to 57: Pin used to input port. Analog input 0 to 7. |
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