M66011FP Mitsumi Electronics, Corp., M66011FP Datasheet
M66011FP
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M66011FP Summary of contents
Page 1
... SR L CLK 8 Shift register for serial input (9 bits) Acknowledge 8 Read bit (ACK) register 8 MITSUBISHI DIGITAL ASSP MITSUBISHI DIGITAL ASSP M66011FP M66011FP SERIAL BUS CONTROLLER SERIAL BUS CONTROLLER READ INPUT A0 22 ADDRESS INPUT SCLK SHIFT CLOCK OUTPUT ...
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... Connected to ceramic resonator, generates M66011 activation clock and Input SCLK output clock. Output If clock is input from outside, use pin X –– Connected positive supply (5V). –– Used for grounding (0V). M66011FP SERIAL BUS CONTROLLER Functions and keep pin X open. in out ...
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... Interrupt output enable (INT output shifts from “L” to “H” when serial communication is completed.) Write "L" or "H" M66011FP SERIAL BUS CONTROLLER Data bus data Data bus data (Note 2) Data bus data D0 Divider ratio 0 1/2 ...
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... Busy flag (Refer to 3, Serial data input/output operation for details.) “0”: Access possible “1”: Serial communication in progress. Write access prohibited. Interrupt control register data “0”: Interrupt output disable “1”: Interrupt output disable VALID Read Operation Timing M66011FP SERIAL BUS CONTROLLER Serial input shift register Status register ) ...
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... Serial communication period ( ACK Serial Communication Timing Chart M66011FP SERIAL BUS CONTROLLER only data is unstable M66011 be- L while CS is maintained L and L 16T ( ...
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... Clock Oscillation Circuit Ceramic Maker resonator Status CSA4.00 MG 040 CST4.00 MGW 040 Murata Mfg. CSA8.00 MT CSA8.00 MTW M66011FP SERIAL BUS CONTROLLER M66011FP Xin Xout R f Ceramic resonator Frequency (MHz) ...
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... Test conditions WR, RD, A0, A1, D0~D7 Xin RESET, CS, SIN D0~D7, SCLK, I =–4mA OH INT, SOUT =4mA D0~ GND output open I CC D0~D7 =5V CC M66011FP SERIAL BUS CONTROLLER Unit Unit Max. 5 Limits Unit Min. Typ. Max. 2 ...
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... Symbol t PZH(R-D) t PZL(R-D) t PHZ(R-D) t PLZ(R- PLH, tPHL S1 ( (1) Pulse generator (PG) characteristics: t (2) Capacitance C L and probe input capacitance. M66011FP SERIAL BUS CONTROLLER Limits Unit Min. Typ. Max. 120 520 100 ns 100 ...
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... TIMING CHARTS Clock timing t WL 50% Read operation timing RD 1.5V t su(CS-R), t su(A-R) CS, 1.5V A0 Write operation timing WR 1.5V t su(CS-W), t su(A-W) CS, 1.5V A0 90% 90% 50% 50% 10 W(R) t PZH(R-D), t PZL(R-D) 1.5V t W(W) t su(D-W) 1.5V M66011FP SERIAL BUS CONTROLLER 10% 1.5V t h(R-CS), t h(R-A) 1.5V t PHZ(R-D), t PLZ(R-D) 90% 10% 1.5V t h(W-CS), t h(W-A) 1.5V t h(W-D) 1.5V 9 ...
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... Write operation internal processing time WR Serial input communication start timing SR Write access Serial input operation SCLK SIN Serial output operation SCLK 1.5V t PLH, t PHL SOUT OE 1.5V t PHL SCLK 10 t BUSY 1.5V 1.5V t WH(CS) L 1.5V 1.5V 1. (SI-CK) h (CK-SI) 1.5V 1.5V 1.5V 1.5V M66011FP SERIAL BUS CONTROLLER 1.5V t PLH 1.5V ...
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... SERIAL BUS CONTROLLER Start Status register set SR write U SR write L CS=“L” to “H” (Serial communication start) (Serial communication end) Interrupt command output Status read NO Acknowledge =“0” YES Serial input data read Communication trouble END When INT Output Is Used M66011FP 11 ...
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... APPLICATION EXAMPLE SYSTEM RESET RESET ADDRESS ADDRESS DECODER WR RD INT DATA BUS MICROCOMPUTER 12 RESET RESET CS SCLK CLK A0~A4 A0 SOUT DI A1 SIN DO D0~ M66009 INT D0~D7 Xin Xout RESET M66011 CLK A0~ D0~D7 EN M66009 M66011FP SERIAL BUS CONTROLLER GND I/O I/O-2 GND 8 ...