MSM63P238 Datasheet, PDF(23/28 Page) OKI electronic componets – 4-Bit Microcontroller with Built-in 16K Word PROM, POCSAG Decoder, and Melody Circuit

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MSM63P238 Datasheet, PDF (23/28 Pages) OKI electronic componets – 4-Bit Microcontroller with Built-in 16K Word PROM, POCSAG Decoder, and Melody Circuit

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Â¡ Semiconductor

(2) UART Communication

MSM63P238

Parameter

Transmit Baud Rate

Receive Baud Rate

Symbol

TBRT

RBRT

Condition

TBRT = 1/fBRT

TCR = 1/fOSC

RBRT = 1/fBRT

Min. Typ. Max. Unit

TBRTâTCR TBRT TBRT+TCR s

RBRTÂ¥0.97 RBRT RBRTÂ¥1.03 s

fBRT: Baud rates (1200, 2400, 4800, 9600 bps)

UART communication timing

("H" level = 4.0 V, "L" level = 1.0 V)

TBRT

TXD (PC.3)

RBRT

RXD (PC.0)

5 V (VDDI)

0 V (VSS)

5 V (VDDI)

0 V (VSS)

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