HD64F3687GH Renesas Electronics America, HD64F3687GH Datasheet - Page 149
HD64F3687GH
Manufacturer Part Number
HD64F3687GH
Description
IC H8 MCU FLASH 56K 64-QFP
Manufacturer
Renesas Electronics America
Series
H8® H8/300H Tinyr
Datasheet
1.HD64F3684GFPV.pdf
(538 pages)
Specifications of HD64F3687GH
Core Processor
H8/300H
Core Size
16-Bit
Speed
20MHz
Connectivity
I²C, SCI
Peripherals
LVD, POR, PWM, WDT
Number Of I /o
45
Program Memory Size
56KB (56K x 8)
Program Memory Type
FLASH
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
64-QFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
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9.2
Port 2 is a general I/O port also functioning as SCI3 I/O pins. Each pin of the port 2 is shown in
figure 9.2. The register settings of PMR1and SCI3 have priority for functions of the pins for both
uses.
Port 2 has the following registers.
9.2.1
PCR2 selects inputs/outputs in bit units for pins to be used as general I/O ports of port 2.
Bit
7 to 5
4
3
2
1
0
Port control register 2 (PCR2)
Port data register 2 (PDR2)
Port mode register 3 (PMR3)
Bit Name
PCR24
PCR23
PCR22
PCR21
PCR20
Port 2
Port Control Register 2 (PCR2)
Initial
Value
0
0
0
0
0
Figure 9.2 Port 2 Pin Configuration
R/W
W
W
W
W
W
Port 2
Description
Reserved
When each of the port 2 pins P24 to P20 functions as a
general I/O port, setting a PCR2 bit to 1 makes the
corresponding pin an output port, while clearing the bit to
0 makes the pin an input port.
P24
P23
P22/TXD
P21/RXD
P20/SCK3
Rev.5.00 Nov. 02, 2005 Page 115 of 500
Section 9 I/O Ports
REJ09B0027-0500
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