ML610Q428-NNNTBZ03A7 Rohm Semiconductor, ML610Q428-NNNTBZ03A7 Datasheet - Page 313

• Manufacturer Part Number: ML610Q428-NNNTBZ03A7
• Description: MCU 8BIT 48K FLASH 128-TQFP
• Manufacturer: Rohm Semiconductor

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: -

A/D conversion procedure is explained below by taking Figure 23-14 as an example.
RC-ADC interrupt request
CR oscillating
CNTA 2–0
CNTB 2–0
Base clock
(CROS C0)
RADMOD
(bits 4–0)
RADCON
BSCLK
RADINT
(bit 0)
state
HLT
Note) nA0=4B0H, t
Figure 23-14 Timing Diagram for 1 Cycle of A/D Conversion (Example)
0FFFB50H
Stop
000000H
00H
32.768 kHz
SYSCL K
<First Step>
(Counter A reference mode)
=1/32768 Hz;
(Increments by BSCLK)
nA0·t
Oscil lates with RS0
(Increments by
RCCLK (RS0))
BSCLK
01H (ERAD=1)
0.366 sec
=nB0·t
01H
to
RCCLK
: Software processing; (a) to (f): Hardware processing
23 – 18
(RS0)
(b)
(a)
000000H
→ 00000H
Overflow
nB0
(c)
Chapter 23 RC Oscillation Type A/D Converter
INT generated
00H
Stop
ML610Q428/ML610Q429 User’s Manual
(Counter B reference mode)
nB0·tRCCLK(RT0)=nA1·t
1000000H − nB0
Oscillates with RS0
(
(Increments by
RCCLK (RT0))
Increments by BSCLK
01H (ERAD=1)
<Second Step>
12H
)
BSCLK
Overflow
(d)
(e)
(f)
INT generated
nA1
00H
000000H
Stop