HD64F2145BTE20 Renesas Electronics America, HD64F2145BTE20 Datasheet - Page 267
HD64F2145BTE20
Manufacturer Part Number
HD64F2145BTE20
Description
IC H8S MCU FLASH 256K 100-QFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2100r
Specifications of HD64F2145BTE20
Core Processor
H8S/2000
Core Size
16-Bit
Speed
20MHz
Connectivity
I²C, IrDA, SCI, X-Bus
Peripherals
PWM, WDT
Number Of I /o
74
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Data Converters
A/D 8x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
100-TQFP, 100-VQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
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8.12
Port B is an 8-bit I/O port. Port B pins also have XBS input/output pins, LPC input/output pins,
wakeup event interrupt input pins, and a data bus input/output function. The pin functions depend
on the operating mode. Port B has the following registers.
8.12.1
PBDDR specifies input or output for the pins of port B on a bit-by-bit basis.
Bit
7
6
5
4
3
2
1
0
Port B data direction register (PBDDR)
Port B output data register (PBODR)
Port B input data register (PBPIN)
Bit Name
PB7DDR
PB6DDR
PB5DDR
PB4DDR
PB3DDR
PB2DDR
PB1DDR
PB0DDR
Port B
Port B Data Direction Register (PBDDR)
Initial Value
0
0
0
0
0
0
0
0
R/W
W
W
W
W
W
W
W
W
Description
PBDDR has the same address as P7PIN, and if
read, the port 7 pin states will be returned.
Modes 1, 2, and 3 (EXPE = 1)
When the ABW bit in WSCR is cleared to 0,
port B pins automatically become data I/O
pins (D7 to D0), regardless of the input/output
direction indicated by PBDDR. When the
ABW bit is 1, a port B pin becomes an output
port if the corresponding PBDDR bit is set to
1, and an input port if the bit is cleared to 0.
Modes 2 and 3 (EXPE = 0)
A port B pin becomes an output port if the
corresponding PBDDR bit is set to 1, and an
input port if the bit is cleared to 0.
Rev. 3.00 Mar 21, 2006 page 211 of 788
Section 8 I/O Ports
REJ09B0300-0300
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