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DM562P データシート(PDF) 9 Page - Davicom Semiconductor, Inc. |
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DM562P データシート(HTML) 9 Page - Davicom Semiconductor, Inc. |
9 / 48 page DM562P V.90 Integrated Data/ Fax/Voice/Speakerphone Modem Device Single Chip with Memory Built in Final 9 Version: DM562P-DS-F01 February 02, 2004 43 43 43 XTAL2 O Crystal Oscillator Output 46 46 46 /PWR O Controller Program Write Enable: This pin is used to enable FLASH ROM programming. 48 48 48 TD_SP1 O Data Output Pin Of Serial Port 1 The serial data is clocked out through this pin according to the rising edge of SCLK. The MSB is sent immediately after the falling edge of the FR_SP1 signal. 49 47 49 47 49 47 CA16 CA17 O Bank Switch Control: These signals are used to switch external program memory between banks. CA16 CA17 Bank 0 0 0 Bank 1 1 0 Bank 2 0 1 Bank 3 1 1 51 T0 I Controller Counter 0 Input 52 T1 I Controller Counter 1 Input 57 76 76 /RI I Ring Signal Input 76 57 57 TxSCLK*2 I TxDSP Interrupt 1 Input 58 58 58 /DTR I DTR Input Pin (P1.1) 59 59 59 /OH O Hook Relay Control (P1.2) 60 60 60 /VOICE O Voice Relay Control. Modem Control Output (memory map is bit 3 of DAA at memory address D000H) 61-63 61-63 61-63 EEPROM 1-3 I/O EEPROM Control Pins (P1.4-P1.6) 66 /LCS I Loop Current Detection. Modem Input Control: This pin is mapped to bit0 of address D000H. 79 66 66 SCLK I Reference Clock For Serial Port 1 And Serial Port 2 68 RXD I Controller Serial Port Data Input 69 TXD O Controller Serial Port Data Output 70 70 70 RxSCLK I Rx DSP Interrupt 3 Input 71 71 71 /PSEN O Controller Program Store Enable: This output goes low during a fetch from external program memory. 72 72 72 /WR O Controller External Data Memory Write Control 73 73 73 /RD O Controller External Data Memory Read Control 78 DSPRxD O Modem Received Data :(External) Shifted out to the EIA port through this pin according to the rising edge of RXDCLK. 117 117 117 TEST1 Test pin 1, normal ground 81,82, 83,84, 85,86, 87,88 81,82, 83,84, 85,86, 87,88 81,82, 83,84, 85,86, 87,88 CA15,CA14, CA13,CA12, CA11,CA10, CA9,CA8 O Controller Address Bus 90,91, 90,91, 90,91, CA7 - CA0 O Controller Address Bus |
同様の部品番号 - DM562P |
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同様の説明 - DM562P |
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