ML610Q428-NNNTBZ03A7 Rohm Semiconductor, ML610Q428-NNNTBZ03A7 Datasheet - Page 91
ML610Q428-NNNTBZ03A7
Manufacturer Part Number
ML610Q428-NNNTBZ03A7
Description
MCU 8BIT 48K FLASH 128-TQFP
Manufacturer
Rohm Semiconductor
Datasheets
1.ML610Q482P-NNNTB03A7.pdf
(20 pages)
2.ML610Q428-NNNTBZ03A7.pdf
(32 pages)
3.ML610Q428-NNNTBZ03A7.pdf
(434 pages)
Specifications of ML610Q428-NNNTBZ03A7
Core Processor
nX-U8/100
Core Size
8-Bit
Speed
4.2MHz
Connectivity
I²C, SSP, UART/USART
Peripherals
LCD, Melody Driver, POR, PWM, WDT
Number Of I /o
14
Program Memory Size
48KB (24K x 16)
Program Memory Type
FLASH
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
1.1 V ~ 3.6 V
Data Converters
A/D 2x12b, 2x24b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 70°C
Package / Case
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
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Quantity
Price
Company:
Part Number:
ML610Q428-NNNTBZ03A7
Manufacturer:
ROHM
Quantity:
750
Company:
Part Number:
ML610Q428-NNNTBZ03A7
Manufacturer:
Rohm Semiconductor
Quantity:
10 000
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6.2.3
• SYSCLK (bit 0)
• ENOSC (bit 1)
• ENMLT (bit 2)
• LPLL (bit 7)
Address: 0F003H
Access: R/W
Access size: 8 bits
Initial value: 03H
FCON1 is a special function register (SFR) to control the high-speed clock generation circuit and to select system
clock.
[Description of Bits]
Initial value
The SYSCLK bit is used to select system clock. It allows selection of the low-speed clock (LSCLK) or HSCLK
(1/nOSCLK: n = 1, 2, 4, 8) selected by using the high-speed clock frequency select bit (SYSC1, 0) of FCON0.
When the oscillation of high-speed clock is stopped (ENOSC bit = “0”), the SYSCLK bit is fixed to “0” and the
low-speed clock (LSCLK) is selected for system clock.
The ENOSC bit is used to select enable/disable of the oscillation of the high-speed clock oscillator.
The ENMLT bit is used to select enable/disable of the operation of the 2× low-speed clock (LSCLK×2).
The LPLL bit is used as a flag to indicate the oscillation state of PLL oscillation.
When the LPLL bit is set to “1”, this indicates that the PLL oscillation frequency is locked within 8.192 MHz±2.5%.
When the LPLL bit is set to “0”, this indicates that the PLL oscillation is inactive or the PLL oscillation frequency is
not within 8.192 MHz±2.5%.
LPLL is a read-only bit.
FCON1
SYSCLK
R/W
ENOSC
ENMLT
LPLL
0
1
0
1
0
1
0
1
Frequency Control Register 1 (FCON1)
LSCLK
HSCLK (initial value)
Disables high-speed oscillation
Enables high-speed oscillation (initial value)
Disables 2× low-speed clock operation (initial value)
Enables 2× low-speed clock operation
Disables the use of PLL oscillation (initial value)
Enables the use of PLL oscillation
LPLL
R
7
0
R/W
⎯
0
6
R/W
⎯
5
0
Description
Description
Description
Description
R/W
⎯
4
0
6 – 5
R/W
⎯
3
0
ML610Q428/ML610Q429 User’s Manual
ENMLT
Chapter 6 Clock Generation Circuit
R/W
2
0
ENOSC
R/W
1
1
SYSCLK
R/W
0
1
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