HD64F3644H Renesas Electronics America, HD64F3644H Datasheet - Page 194
![IC H8 MCU FLASH 32K 64-QFP](/photos/28/61/286103/64-bqfp__prqp0064gb-a_sml.jpg)
HD64F3644H
Manufacturer Part Number
HD64F3644H
Description
IC H8 MCU FLASH 32K 64-QFP
Manufacturer
Renesas Electronics America
Series
H8® H8/300Lr
Datasheet
1.HD64F3644HV.pdf
(551 pages)
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
-
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Section 8 I/O Ports
PDR1 is an 8-bit register that stores data for port 1 pins P1
while PCR1 bits are set to 1, the values stored in PDR1 are read, regardless of the actual pin states.
If port 1 is read while PCR1 bits are cleared to 0, the pin states are read.
Upon reset, PDR1 is initialized to H'00.
Port Control Register 1 (PCR1)
PCR1 is an 8-bit register for controlling whether each of the port 1 pins P1
functions as an input pin or output pin. Setting a PCR1 bit to 1 makes the corresponding pin an
output pin, while clearing the bit to 0 makes the pin an input pin. The settings in PCR1 and in
PDR1 are valid only when the corresponding pin is designated in PMR1 as a general I/O pin.
Upon reset, PCR1 is initialized to H'00.
PCR1 is a write-only register, which is always read as all 1s.
Port Pull-Up Control Register 1 (PUCR1)
Note:
PUCR1 controls whether the MOS pull-up of each of the port 1 pins P1
or off. When a PCR1 bit is cleared to 0, setting the corresponding PUCR1 bit to 1 turns on the
MOS pull-up for the corresponding pin, while clearing the bit to 0 turns off the MOS pull-up.
Upon reset, PUCR1 is initialized to H'00.
Rev. 6.00 Sep 12, 2006 page 172 of 526
REJ09B0326-0600
Bit
Initial value
Read/Write
Bit
Initial value
Read/Write
* Bits 3 to 1 are reserved; they are always read as 0 and cannot be modified.
PUCR1
PCR1
R/W
W
7
0
7
0
7
7
PUCR1
PCR1
R/W
W
0
0
6
6
6
6
PUCR1
PCR1
R/W
W
5
0
5
0
5
5
PUCR1
PCR1
R/W
W
4
0
4
0
4
4
7
through P1
0 *
3
0
3
4
7
0 *
and P1
2
0
2
through P1
7
through P1
0
. If port 1 is read
0 *
1
0
1
4
and P1
4
and P1
PUCR1
PCR1
R/W
0
W
0
0
0
0
is on
0
0
0
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