HD64F3644H Renesas Electronics America, HD64F3644H Datasheet - Page 204

• 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
PMR3 is an 8-bit read/write register, controlling the selection of pin functions for port 3 pins.
Upon reset, PMR3 is initialized to H'00.
Bits 7 to 3
modified.
Bit 2
or as SO
Bit 2: SO1
0
1
Bit 1
as SI
Bit 1: SI1
0
1
Bit 0
as P3
Bit 0: SCK1
0
1
Port Mode Register 7 (PMR7)
PMR7 is an 8-bit read/write register that turns the PMOS transistors of pins and P3
off.
Upon reset, PMR7 is initialized to H'F8.
Rev. 6.00 Sep 12, 2006 page 182 of 526
REJ09B0326-0600
Bit
Initial value
Read/Write
1
0
.
or as SCK
P3
P3
P3
1
.
2
1
0
/SO
/SI
/SCK
Reserved Bits: Bits 7 to 3 are reserved: they are always read as 0 and cannot be
1
1
Pin Function Switch (SI1): This bit selects whether pin P3
1
Pin Function Switch (SO1): This bit selects whether pin P3
1
.
Pin Function Switch (SCK1): This bit selects whether pin P3
Description
Functions as P3
Functions as SO
Description
Functions as P3
Functions as SI
Description
Functions as P3
Functions as SCK
7
1
1
6
1
2
1
0
1
input pin
I/O pin
I/O pin
I/O pin
1
output pin
I/O pin
5
1
4
1
3
1
R/W
TXD
2
0
1
/SI
2
/SO
1
is used as P3
0
/SCK
1
2
1
0
/SO
is used as P3
(initial value)
(initial value)
(initial value)
1
1
on and
is used
POF1
R/W
0
0
1
or
2