HD64F3644H Renesas Electronics America, HD64F3644H Datasheet - Page 224

• Manufacturer Part Number: HD64F3644H
• Description: IC H8 MCU FLASH 32K 64-QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8/300Lr

Specifications of HD64F3644H

• Core Processor: H8/300L
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: SCI
• Peripherals: PWM, WDT
• Number Of I /o: 53
• Program Memory Size: 32KB (32K x 8)
• Program Memory Type: FLASH
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 8x8b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 64-QFP
• Package: 64PQFP
• Family Name: H8
• Maximum Speed: 8 MHz
• Operating Supply Voltage: 3.3|5 V
• Data Bus Width: 8 Bit
• Number Of Programmable I/os: 45
• Interface Type: SCI
• On-chip Adc: 8-chx8-bit
• Number Of Timers: 4
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

Section 8 I/O Ports
Port Data Register B (PDRB)
Reading PDRB always gives the pin states. However, if a port B pin is selected as an analog input
channel for the A/D converter by AMR bits CH3 to CH0, that pin reads 0 regardless of the input
voltage.
8.10.3
Table 8.27 shows the port B pin functions.
Table 8.27 Port B Pin Functions
Pin
PB
8.10.4
Table 8.28 shows the port B pin states in each operating mode.
Table 8.28 Port B Pin States
Pins
PB
Rev. 6.00 Sep 12, 2006 page 202 of 526
REJ09B0326-0600
Bit
Read/Write
n
n
/AN
/AN
n
n
Pin Functions
Pin States
Reset
High-
impedance
Pin Functions and Selection Method
Always as below.
Pin function
PB
R
7
7
Sleep
High-
impedance
PB
R
6
6
Subsleep
High-
impedance
PB
R
5
5
Standby
High-
impedance
PB
R
4
PB
4
n
input pin or AN
PB
R
3
Watch
High-
impedance
3
PB
n
R
2
input pin
2
Subactive Active
High-
impedance
PB
R
1
1
(n = 7 to 0)
High-
impedance
(n = 7 to 0)
PB
R
0
0