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BC7210A3V

()

BC7210A RC5

SAA3010 PT2210 NEC uPD6121, uPD6122, TC9012

PT2221, PT2222, SC6121, SC6122,SC9012 BC7210A SPI UART

CPU

SO8 3V

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BC7210A

1 ACT

2 VCC 2.7-3.3V

3 SS SPI Slave Select SPI

4 GND

5 CLK SPI

6 DAT SPI/UART UART 9600

7 IR

8 MOD NEC RC5

10 NEC SONY JVC NEC BC7210A

RC5 RC5 SAA3010,SAA3006

RC5 0 1

1.778mS 1.5bits 2 11 5 6 64

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BC7210A

NEC

NEC NEC uPD6121uPD6122 NEC PT2221, PT2222, SC6121, SC6122,

SC9012 0 1 32 16 8

8 256 64 uPD1621 2

BC7210

BC7210A 2.7-3.3V MOD BC7210A

BC7210A MOD MOD RC5 MOD NEC

38k(40k)AGC 3 2 1 BC7210A

IR VCC

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1 0

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BC7210A

R C R C R 33-1KC >0.1uF R C

BC7210A SPI UART BC7210A SS,CLK DAT SPI BC7210A MCU SPI BC7210A DATSPI UART UART 9600 UART 8 1 DAT MCU UART MAX3232

RS-232 SS (NEC 3 RC5 2 )

BC7210A

RC5

RC5 BC7210A 2

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d0

d1

d2

d3

d4

d5

d6

d7

104uS>104uS

DAT

CLK

SS

104uS 104uS

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BC7210A

b7 b6 b5 b4 b3 b2 b1 b0 b7 b6 b5 b4 b3 b2 b1 b0

X X X X T A4 A3 A2 A1 A0 D5 D4 D3 D2 D1 D0

X 0T A0-A4 D0-D5 UART DAT A2A3A4TXXXXD0D1D2D3D4D5A0A1

NEC

NEC 3

b7 b6 b5 b4 b3 b2 b1 b0 b7 b6 b5 b4 b3 b2 b1 b0 b7 b6 b5 b4 b3 b2 b1 b0

A15 A14 A13 A12 A11 A10 A9 A8 A7 A6 A5 A4 A3 A2 A1 A0 D7 D6 D5 D4 D3 D2 D1 D0

A0-A15 D0-D7 UART DAT A8A9A10A11A12A13A14A15A0A1A2A3A4A5A6A7D0D1D2D3D4D5D6D7

ACT

ACT BC7210A ACT RC5 NEC2 ACT BC7210A

RC5

RC5 BC7210A ACT

RC5 BC7210A

NEC

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IR

DAT

ACT

SS

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BC7210A

RC5 NEC 108ms BC7210A NEC

ACT ACT ACT (

RC5 NEC RC5

2 NEC ACT ACT

MCU

1 UART UART BC7210A

96001 1 UARTBC7210A DAT RX 1 CPU

2 SPI

SPI SPI BC7210A UART CPU Atmel AVR BC7210A DAT MOSI CLK SCKSS SS AVR SPI (Clock Polarity=LOW)

3 I/O I/O

SS CLK SS DAT 104uS CLK CLK 104uS 104uS

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IR

DAT

ACT

SS

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BC7210A

900uS CLK

4

BC7210A

CPU 5 RS-232

BC7210A DAT RS-232 PC PC

BC7210A (IR ) 200ms 0.5uA

BC7210A BC7210A

uA mA

Ts -55 +125

Ta -40 +85

VCC-VSS -0.3 3.6V

Vpg -0.3 VCC+0.3

(,TA=25,Vcc=3.0V)

Vcc 2.7 3 3.3 V

() Icc - 4 10 mA

() Ipd -

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BC7210A

BC7210ABC7210

BC7210 BC7210A

20 SOP-20 8 SO-8

2.7-5.5V 2.7-3.3V

/

MOD

1=RC5

0=NEC 1=NEC

0=RC5 1 RC5 2 NEC 3

BC7210 4

1 BC7210

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