參數(shù)資料
型號(hào): M37221M6-XXXSP
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 8.1 MHz, MICROCONTROLLER, PDIP42
封裝: 0.600 INCH, PLASTIC, SDIP-42
文件頁數(shù): 113/113頁
文件大小: 1254K
代理商: M37221M6-XXXSP
99
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER
with ON-SCREEN DISPLAY CONTROLLER
M37221M4/M8/MA–XXXSP, M37221M6–XXXSP/FP
M37221EASP/FP
MITSUBISHI MICROCOMPUTERS
Rev. 1.0
Address 00DB16
Address 00DC16
b7 b6 b5 b4 b3 b2 b1 b0
I2C clock control register (S2) [Address 00DB16]
I2C Clock Control Register
0
to
4
SCL frequency control bits
(CCR0 to CCR4)
7
5
6
SCL mode
specification bit
(FAST MODE)
0: Standard clock mode
1: High-speed clock mode
0
Standard clock
mode
B
Name
Functions
After reset R W
0
ACK bit
(ACK BIT)
ACK clock bit
(ACK)
0: ACK is returned.
1: ACK is not returned.
0: No ACK clock
1: ACK clock
High speed
clock mode
Setup disabled Setup disabled
00 to 02
Setup disabled
333
03
Setup disabled
250
04
100
400 (See note)
05
83.3166
06
500/CCR value 1000/CCR value
...
17.2
34.5
1D
16.633.3
1E
16.1
32.3
1F
(at
φ = 4 MHz, unit : kHz)
Note: At 400 kHz in the high-speed clock mode, the duty is as below .
“0” period : “1” period = 3 : 2
In the other cases, the duty is as below.
“0” period : “1” period = 1 : 1
Setup value of
CCR4–CCR0
R W
b7 b6 b5 b4 b3 b2 b1 b0
Serial I/O mode register (SM) [Address 00DC16]
BName
Functions
Serial I/O Mode Register
0, 1 Internal synchronous
clock selection bits
(SM0, SM1)
b1 b0
0 0: f(XIN)/4
0 1: f(XIN)/16
1 0: f(XIN)/32
1 1: f(XIN)/64
2
Synchronous clock
selection bit (SM2)
3
Serial I/O port
selection bit (SM3)
6
5
Transfer direction
selection bit (SM5)
0: P20, P21
1: SCLK, SOUT
0: External clock
1: Internal clock
0: LSB first
1: MSB first
4
Fix this bit to “0.”
7
Nothing is assigned. This bit is a write disable bit.
When this bit is read out, the value is “0.”
After reset RW
0
0R W
RW
R W
RW
0R —
Serial input pin
selection bit (SM6)
0: Input signal from SIN pin.
1: Input signal from SOUT pin.
0
相關(guān)PDF資料
PDF描述
M37221M6H-XXXFP 8-BIT, MROM, 8.1 MHz, MICROCONTROLLER, PDSO42
M37221EASP 8-BIT, OTPROM, 8.1 MHz, MICROCONTROLLER, PDIP42
M37221M4H-XXXSP 8-BIT, MROM, 8.1 MHz, MICROCONTROLLER, PDIP42
M37221M8H-XXXFP 8-BIT, MROM, 8.1 MHz, MICROCONTROLLER, PDSO42
M37221M6H-XXXSP 8-BIT, MROM, 8.1 MHz, MICROCONTROLLER, PDIP42
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參數(shù)描述
M37221M8H 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER with ON-SCREEN DISPLAY CONTROLLER
M37221M8H-XXXFP 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER with ON-SCREEN DISPLAY CONTROLLER
M37221M8H-XXXSP 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER with ON-SCREEN DISPLAY CONTROLLER
M37221MAH-XXXFP 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER with ON-SCREEN DISPLAY CONTROLLER
M37221MAH-XXXSP 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER with ON-SCREEN DISPLAY CONTROLLER