DF38122HWV Renesas Electronics America, DF38122HWV Datasheet - Page 455

• Manufacturer Part Number: DF38122HWV
• Description: IC H8/38122 MCU FLASH 80QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8/300L SLPr

Specifications of DF38122HWV

• Core Processor: H8/300L
• Core Size: 8-Bit
• Speed: 10MHz
• Connectivity: SCI
• Peripherals: LCD, POR, PWM, WDT
• Number Of I /o: 50
• Program Memory Size: 16KB (16K x 8)
• Program Memory Type: FLASH
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 80-QFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

14.1.3
The pins of the power-on reset circuit and low-voltage detection circuit are listed in table 14.1.
Table 14.1 Pin Description
Pin
Low-voltage detection circuit
reference voltage input pin
Low-voltage detection circuit power
supply drop detection voltage input
pin
Low-voltage detection circuit power
supply rise detection voltage input
pin
14.1.4
The registers of the power-on reset circuit and low-voltage detection circuit are listed in table 14.2.
Table 14.2 Register Descriptions
Name
Low-voltage detection control register
Low-voltage detection status register
Low-voltage detection counter
14.2
14.2.1
Note: * These bits are not initialized by resets trigged by LVDR. They are initialized by power-on
Bit
Initial value
Read/Write
resets and watchdog timer resets.
Pin Description
Register Descriptions
Individual Register Descriptions
Low-Voltage Detection Control Register (LVDCR)
Section 14 Power-On Reset and Low-Voltage Detection Circuits (H8/38124 Group Only)
LVDE
R/W
0 *
7
R/W
—
6
0
VINTDSEL VINTUSEL
Symbol
Vref
extD
extU
R/W
5
0
LVDCR
LVDCNT
Symbol
LVDSR
I/O
Input
Input
Input
R/W
4
0
Rev. 8.00 Mar. 09, 2010 Page 433 of 658
R/W
R/W
R/W
R
LVDSEL LVDRE
Function
Reference voltage input for low-
voltage detection circuit
Power supply drop detection voltage
input pin for low-voltage detection
circuit
Power supply rise detection voltage
input pin for low-voltage detection
circuit
R/W
0 *
3
H'00
Initial Value
H'00
H'00
R/W
0 *
2
LVDDE
REJ09B0042-0800
R/W
0
1
Address
H'FF86
H'FF87
H'FFC3
LVDUE
R/W
0
0