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参数资料
| 型号： | M37207EFFP |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 8-BIT, OTPROM, 8 MHz, MICROCONTROLLER, PQFP80 |
| 封装： | 14 X 20 MM, 0.80 MM PITCH, PLASTIC, QFP-80 |
| 文件页数： | 40/121页 |
| 文件大小： | 1907K |
| 代理商： | M37207EFFP |
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MITSUBISHI MICROCOMPUTERS
M37207MF-XXXSP/FP, M37207M8-XXXSP
M37207EFSP/FP
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER
and ON-SCREEN DISPLAY CONTROLLER
25
SERIAL I/O
This microcomputer has a built-in serial I/O which can either transmit
or receive 8-bit data serially in clock synchronous mode.
The serial I/O block diagram is shown in Figure 18. The synchronous
clock I/O pin (SCLK), and data I/O pins (SOUT, SIN), receive enable
____
signal output pin (SRDY) also function as port P4.
Bit 2 of the serial I/O mode register (address 00DE16) selects whether
the synchronous clock is supplied internally or externally (from the
pins SCLK1, SCLK2). 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
pins for serial I/O, set the corresponding bits of the port P4 direction
register (address 00C916) to “0.”
The operation of the serial I/O is described below. The operation
differs depending on the clock source; external clock or internal clock.
Fig. 18. Serial I/O Block Diagram
8
Serial I/O shift register (8)
Data bus
Serial I/O
interrupt request
Selection gate : Connected 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
1/2
(Address 00DF16)
XCIN
CM7
1/2
(Note)
Note : When the data is set in the serial I/O register (address 00DF 16), the register functions as the serial I/O shift register.
P43 latch
SM6
SCL2 CSIO
SRDY2
SCLK2
SOUT2
SM4
P41 latch
SM7
SCL3
SM3
CSIO
P40 latch
SM7
SDA3
SM3
CSIO
SM6
P40 latch
SDA2
SIN2
SRDY1
P47 latch
SIC3
PWM8
SIC7
SCLK1
P45 latch
SIC4
SCL1
SIC5
SOUT1
P44 latch
SIC4
SDA1
SIC5
SIN1
SIC6
PWM9
P46 latch
CSIO
CM : CPU mode register
SM : Serial I/O mode register
SIC : Serial I/O control register
CSIO : Bit 1 of serial I/O control register
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相关代理商/技术参数 |
参数描述 |
|---|---|
| M37207EFSP | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER and ON-SCREEN DISPLAY CONTROLLER |
| M37207M8 | 制造商:MITSUBISHI 制造商全称:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER and ON-SCREEN DISPLAY CONTROLLER |
| M37207M8-059SP | 制造商:MITSUBISHI 制造商全称:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER and ON-SCREEN DISPLAY CONTROLLER |
| M37207M8-XXXSP | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER and ON-SCREEN DISPLAY CONTROLLER |
| M37207MF | 制造商:MITSUBISHI 制造商全称:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER and ON-SCREEN DISPLAY CONTROLLER |
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