DF36912GFH Renesas Electronics America, DF36912GFH Datasheet - Page 164

• Manufacturer Part Number: DF36912GFH
• Description: MCU 3/5V 8K 32-LQFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8/300H Tinyr

Specifications of DF36912GFH

• Core Processor: H8/300H
• Core Size: 16-Bit
• Speed: 12MHz
• Connectivity: I²C, SCI
• Peripherals: LVD, POR, PWM, WDT
• Number Of I /o: 18
• Program Memory Size: 8KB (8K x 8)
• Program Memory Type: FLASH
• Ram Size: 1.5K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 5.5 V
• Data Converters: A/D 4x10b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 32-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

Section 9 I/O Ports
9.6
Port B is an input port also functioning as an A/D converter analog input pin and LVD external
comparison voltage input pin. Each pin of the port B is shown in figure 9.6.
Port B has the following register.
9.6.1
PDRB is a general input-only port data register of port B.
Rev. 3.00 Sep. 14, 2006 Page 134 of 408
REJ09B0105-0300
Bit
7 to 4
3
2
1
0
Port data register B (PDRB)
Bit Name
PB3
PB2
PB1
PB0
Port B
Port Data Register B (PDRB)
Initial
Value
Figure 9.6 Port B Pin Configuration
R/W
R
R
R
R
Port B
Description
Reserved
The input value of each pin is read by reading this
register.
However, if a port B pin is designated as an analog input
channel by ADCSR in A/D converter or external
comparison voltage input pin by LVDCR in low-voltage
detection circuit, 0 is read.
PB3/AN3/ExtU
PB2/AN2/ExtD
PB1/AN1
PB0/AN0