參數(shù)資料
型號: M37273M8-XXXSP
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 8.1 MHz, MICROCONTROLLER, PDIP52
封裝: 0.600 INCH, 1.78 MM PITCH, PLASTIC, SDIP-52
文件頁數(shù): 58/138頁
文件大?。?/td> 1327K
代理商: M37273M8-XXXSP
26
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
and ON-SCREEN DISPLAY CONTROLLER
M37273M8–XXXSP, M37273MF–XXXSP
M37273E8SP, M37273EFSP
MITSUBISHI MICROCOMPUTERS
Rev. 1.0
8
Serial I/O shift register (8)
Data bus
Serial I/O
interrupt request
Selection gate: Connect to
black side at
reset.
Synchronous
circuit
Frequency divider
1/8
1/4
1/16
SM1
SM0
Serial I/O counter (8)
SM5 : LSB
MSB
S
SM2
1/2
XIN
SIN
SOUT
SCLK
1/2
XCIN
1/2
CM7
1/2
Note : When the data is set in the serial I/O register (address 00EA
(See note)
CM : CPU mode register
SM : Serial I/O mode register
16
), the register functions as the serial I/O shift register.
P20 Latch
SM3
P21 Latch
SM3
SM6
8.5 SERIAL I/O
This microcomputer has a built-in serial I/O which can either transmit
or receive 8-bit data serially in the clock synchronous mode.
The serial I/O block diagram is shown in Figure 8.5.1. The synchro-
nous clock I/O pin (SCLK), and data output pin (SOUT) also function
as port P4, data input pin (SIN) also functions as port P20–P22.
Bit 3 of the serial I/O mode register (address 00EB16) selects whether
the synchronous clock is supplied internally or externally (from the
SCLK pin). When an internal clock is selected, bits 1 and 0 select
whether f(XIN) or f(XCIN) is divided by 8, 16, 32, or 64. To use the SIN
pin for serial I/O, set the corresponding bit of the port P2 direction
register (address 00C516) to “0.”
Fig. 8.5.1 Serial I/O Block Diagram
The operation of the serial I/O is described below. The operation of
the serial I/O differs depending on the clock source; external clock or
internal clock.
相關(guān)PDF資料
PDF描述
M3727GM8-XXXSP 8-BIT, MROM, 8.1 MHz, MICROCONTROLLER, PDIP42
M3727GM8-XXXFP 8-BIT, MROM, 8.1 MHz, MICROCONTROLLER, PDSO42
M3727GM6-XXXFP 8-BIT, MROM, 8.1 MHz, MICROCONTROLLER, PDSO42
M37280MF-XXXSP 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PDIP64
M37280MK-XXXSP 8-BIT, MROM, 8.1 MHz, MICROCONTROLLER, PDIP64
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
M37273MF 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER
M37273MF-251SP 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER
M37273MFH 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER
M37273MFH-0515P 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER
M37273MFH-051SP 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER