16-bit Serial Controller REJ03F0265-0200 Rev.2.00 2008 M6601

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16-bit Serial Controller REJ03F0265-0200 Rev.2.00 2008 M6601

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M66014FP
16-bit Serial Controller
REJ03F0265-0200 Rev.2.00 2008
M66014 semiconductor integrated circuit serial controller. converts 2-byte parallel data that arrives from microcomputer into serial outputs serial bus. also converts serial data input from serial into parallel outputs microcomputer. M66014 used extension microcomputer ports two-way communication with peripheral equipment connected with serial buses.
Features
Compatible with general-purpose 8-bit microprocessor busses level input (one microcomputer side) Interrupt output Schmitt input (RESET, SIN) arrangement fully compatible with M66011FP power dissipation Wide operating temperature range 75°C)
Application
Microcomputer port extension, etc.
Block Diagram
Shift clock output Reset input RESET Chip select input Write input Read input Clock input Clock output
SCLK
Timing control circuit CLK, LOAD Shift register lower byte serial output bits) CLK, LOAD Shift register upper byte serial output bits)
Interrupt output
Output enable output
SOUT
Oscillation circuit
Serial data output
Xout
Data
Shift register serial input (16-bit) Read register
Serial data input
REJ03F0265-0200 Rev.2.00 2008 Page
M66014FP
Arrangement
M66014FP
Reset input RESET Write input Chip select input
Read input Address input
Data
SCLK Shift clock output SOUT Serial data output Serial data input Output enable output Interrupt output Clock input Xout Clock output
(Top view) Outline: 24P2N-B
REJ03F0265-0200 Rev.2.00 2008 Page
M66014FP
Serial Data Input/Output Operation
cycle 16-bit serial output data setting serial data communication starts with write access given microcomputer transmission shift registers M66014. M66014 8-bit shift registers, upper byte (SRU), other lower byte (SRL). status rises from after write access given SRL, serial data communication started. 8-bit data 8-bit data output series this order. Output each data starts from most significant bit. rise edge, busy flag M66014 set, output shifts from "L". Shift clock SCLK serial data SOUT then output. SCLK fall edges, serial output shift register executes shifting operation, data shift register output series from SOUT. Serial input data from taken into input shift register SCLK rise edges. After SCLK rise edge, status SOUT shifts after bit's delay SCLK, busy flag reset. When interrupt output being enable, output set.
Remarks rises after write operation executed only SRU, data unstable. When write operations executed SRL, M66014 becomes ready start serial communication stands detection rise. However, read access given after data written while maintained level, this standby status canceled. resume serial communication this case, rewrite data raise
write operation Busy flag M66014)
Serial communication period
SCLK SOUT
DO15 DO14 DO13 DO12 DO11 DO10 (D7U) (D0U) (D7L) (D0L)
DI15 DI14 DI13 DI12 DI11 DI10
Figure Serial Communication Timing Chart
REJ03F0265-0200 Rev.2.00 2008 Page
M66014FP
Package Dimensions
24P2N-B
EIAJ Package Code SOP24-P-300-1.27
Plastic 24pin 300mil
JEDEC Code
Weight(g) Lead Material Alloy
Recommended Mount
Symbol
Detail
Detail
Dimension Millimeters 0.35 0.25 0.18 15.12 15.02 14.92 1.27 8.42 8.12 7.82 1.41 0.525 0.675 0.25 0.76 7.62 1.27
REJ03F0265-0200 Rev.2.00 2008 Page
Sales Strategic Planning Div.
Nippon Bldg., 2-6-2, Ohte-machi, Chiyoda-ku, Tokyo 100-0004, Japan
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16-bit Serial Controller REJ03F0265-0200 Rev.2.00 2008 M6601

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