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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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M32C/8B 데이터시트(PDF) 338 Page - Renesas Technology Corp |
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M32C/8B 데이터시트(HTML) 338 Page - Renesas Technology Corp |
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338 / 406 page  Under development M32C/8B Group 23. Flash Memory Preliminary specification Specifications in this manual are tentative and subject to change. REJ09B0450-0050 Rev.0.50 Oct 31, 2008 Page 321 of 385 23.6.2 Standard Serial I/O Mode In standard serial I/O mode, the user ROM area can be programmed with the MCU mounted on a board by using a serial programmer supporting the M32C/8B Group. For additional information about the serial programmer, contact your serial programmer manufacturer. Refer to the user’s manual of your serial programmer for details on operating instructions. Table 23.8 lists pin functions for flash memory standard serial I/O mode. Figures 23.16 to 23.17 show pin connections for standard serial I/O mode. Table 23.8 Pin Functions for Flash Memory Standard Serial I/O Mode NOTE: 1. These pins are provided in the 144-pin package only. Pin Name Function Input/ Output Supply Voltage Description VCC VSS Power supply input I − Apply the guaranteed erase/program supply voltage to the VCC1 pin. Apply 0 V to the VSS pin CNVSS CNVSS I VCC1 Apply an “H” signal to the pin RESET Reset input I VCC1 Reset input pin XIN Clock input I VCC1 Connect a ceramic resonator or a crystal oscillator between pins XIN and XOUT XOUT Clock output O VCC1 To use the external clock, input the clock to the XIN pin and leave the XOUT pin open BYTE BYTE input I VCC1 Apply an “H” or “L” signal to the pin AVCC, AVSS Analog power supply input I − Connect AVCC to VCC1 Connect AVSS to VSS VREF Reference voltage input I − Reference voltage input pin for the A/D converter P0_0 to P0_7 Input port P0 I VCC2 Apply an “H” or “L” signal to the pin, or leave it open P1_0 to P1_7 Input port P1 I VCC2 Apply an “H” or “L” signal to the pin, or leave it open P2_0 to P2_7 Input port P2 I VCC2 Apply an “H” or “L” signal to the pin, or leave it open P3_0 to P3_7 Input port P3 I VCC2 Apply an “H” or “L” signal to the pin, or leave it open P4_0 to P4_7 Input port P4 I VCC2 Apply an “H” or “L” signal to the pin, or leave it open P5_0 CE input I VCC2 Apply an “H” signal to the pin P5_5 EPM input I VCC2 Apply an “L” signal to the pin P5_1 to P5_4 P5_6, P5_7 Input port P5 I VCC2 Apply an “H” or “L” signal to the pin, or leave it open P6_0 to P6_3 Input port P6 I VCC1 Apply an “H” or “L” signal to the pin, or leave it open P6_4 BUSY output O VCC1 Standard serial I/O mode 1: BUSY signal output pin Standard serial I/O mode 2: Program operation verify monitor P6_5 SCLK input I VCC1 Standard serial I/O mode 1: Serial clock input pin. This pin needs to be pulled up. Standard serial I/O mode 2: Apply an “L” signal to the pin P6_6 Data input RXD I VCC1 Serial data input pin P6_7 Data output TXD O VCC1 Serial data output pin. This pin needs to be pulled up when used in standard serial I/O mode1. P7_0 to P7_7 Input port P7 I VCC1 Apply an “H” or “L” signal to the pin, or leave it open P8_0 to P8_4 P8_6, P8_7 Input port P8 I VCC1 Apply an “H” or “L” signal to the pin, or leave it open P8_5 NMI input I VCC1 Apply an “H” signal P9_0 to P9_7 Input port P9 I VCC1 Apply an “H” or “L” signal to the pin, or leave it open P10_0 to P10_7 Input port P10 I VCC1 Apply an “H” or “L” signal to the pin, or leave it open P11_0 to P11_7 Input port P11 I VCC2 Apply an “H” or “L” signal to the pin, or leave it open(1) P12_0 to P12_7 Input port P12 I VCC2 Apply an “H” or “L” signal to the pin, or leave it open(1) P13_0 to P13_7 Input port P13 I VCC2 Apply an “H” or “L” signal to the pin, or leave it open(1) P14_0 to P14_7 Input port P14 I VCC1 Apply an “H” or “L” signal to the pin, or leave it open(1) P15_0 to P15_7 Input port P15 I VCC1 Apply an “H” or “L” signal to the pin, or leave it open(1) |
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