參數(shù)資料
型號： M37207MF-XXXSP
元件分類： 微控制器/微處理器
英文描述： 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PDIP64
封裝： 0.750 INCH, 1.78 MM PITCH, PLASTIC, DIP-64
文件頁數(shù)： 42/121頁
文件大?。?/td> 1907K
代理商： M37207MF-XXXSP
MITSUBISHI MICROCOMPUTERS
M37207MF-XXXSP/FP, M37207M8-XXXSP
M37207EFSP/FP
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER
and ON-SCREEN DISPLAY CONTROLLER
27
Fig. 20. Serial I/O Mode Register
Fig. 21. Serial I/O Control Register
b7 b6 b5 b4 b3 b2 b1 b0
Serial I/O mode register (SM) [Address 00DE16]
B
Name
Functions
After reset RW
Serial I/O Mode Register
0, 1 Internal synchronous
clock selection bits
(SM0, SM1)
(See note 1)
b1 b0
0 0: f(XIN)/4 or f(XCIN)/4
0 1: f(XIN)/16 or f(XCIN)/16
1 0: f(XIN)/32 or f(XCIN)/32
1 1: f(XIN)/64 or f(XCIN)/64
2
Synchronous clock
selection bit (SM2)
3, 7 Ports P40, P41
function selection
bits (SM3, SM7)
P40/SOUT2/
SDA3/XCIN
P40
SOUT2
SDA3
0: External clock
1: Internal clock
0
RW
4, 6 Ports P42, P43
function selection bits
(SM4, SM6)
5
Transfer direction
selection bit (SM5)
0: LSB first
1: MSB first
0R W
P41/SCLK2/
SCL3/XCOUT
P41
SCLK2
SCL3
b7
!
0
1
b3
0
1
P42/SIN2/
SDA2/AD8
P42
SDA2
P42
SDA2
0R W
P43/SRDY2/
SCL2/AD7
P43
SRDY2
SDA2
b6
0
1
0
1
b4
0
1
Notes 1: Either f(XIN) or f(XCIN) is selected by bit 7 of the CPU
mode register.
2: When using ports P4 0–P43 as serial I/O pins, set bit 1 of
the serial control register to “1.”
(See note 2)
b7 b6 b5 b4 b3 b2 b1 b0
Serial I/O control register (SIC) [Address 0207 16]
B
Name
Functions
After reset RW
Serial I/O Control Register
0
Input signal to sift
register selection bit
(SIC0)
CSIO b0
0 0: Input signal from S IN1
0 1: Input signal from S OUT1
(See note 1)
1 0: Input signal from S IN2
1 1: Input signal from S OUT2
(See note 1)
1
Serial I/O pin switch
bit (CSIO)
0: SOUT1,SCLK1, SIN1, SRDY1
1: SOUT2,SCLK2, SIN2, SRDY2
0
RW
Notes 1: When inputting data from the S out pin, set “FF16” to the serial
I/O register.
2: When using ports P4 4–P47 as serial I/O pins, set bit 1 of the
serial I/O control register to “0.”
3, 7 Ports P47 function
selection bits
(SM3, SM7)
(See note 2)
P47/SRDY1/PWM8
P47
SRDY1
PWM8
0R W
4, 5 Ports P44, P45
function selection bits
(SM4, SM6)
(See note 2)
6
Ports P46 function
selection bits
(SIC6)
(See note 2)
b7
0
1
b3
!
0
1
P44/SOUT1/
SDA1
P44
SOUT1
SDA1
0R W
P45/SCLK1/
SCL1
P45
SCLK1
SCL1
b5
0
1
b4
!
0
1
P46/SIN1/PWM9
P46
PWM9
0R W
b6
0
1
2
I2C-BUS connection
ports switch bit
(SIC2)
0: SDA2, SCL2, SDA1, SCL1
1: SDA3, SCL3
0R W
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