HD6473837H Renesas Electronics America, HD6473837H Datasheet - Page 76

• Manufacturer Part Number: HD6473837H
• Description: IC H8 MCU OTP 60K 100QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8/300Lr

Specifications of HD6473837H

• Core Processor: H8/300L
• Core Size: 8-Bit
• Speed: 5MHz
• Connectivity: SCI
• Peripherals: LCD, PWM
• Number Of I /o: 84
• Program Memory Size: 60KB (60K x 8)
• Program Memory Type: OTP
• Ram Size: 2K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 12x8b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 100-QFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

As a result of this operation, bit 0 in PCR3 becomes 0, making P3
and 6 in PCR3 change to 1, so that P3
To avoid this problem, store a copy of the PCR3 data in a work area in memory. Perform the bit
manipulation on the data in the work area, then write this data to PCR3.
[A: Prior to executing BCLR]
Input/output
Pin state
PCR3
PDR3
RAM0
[B: BCLR instruction executed]
[C: After executing BCLR]
Input/output
Pin state
PCR3
PDR3
RAM0
Table 2.12 lists registers that share the same address, and table 2.13 lists registers that contain
write-only bits.
MOV. B
MOV. B
MOV. B
BCLR
MOV. B
MOV. B
#0
#3F,
R0L,
R0L,
@RAM0, R0L
R0L,
P3
Input
Low
level
0
1
0
P3
Input
Low
level
0
1
0
,
7
7
R0L
@RAM0
@PCR3
@RAM0
@PCR3
P3
Input
High
level
0
0
0
P3
Input
High
level
0
0
0
6
6
7
P3
Output
Low
level
1
0
1
P3
Output
Low
level
1
0
1
The PCR3 value (H'3F) is written to a work area in memory
(RAM0) as well as to PCR3.
The BCLR instruction is executed designating the PCR3
work area (RAM0).
The work area (RAM0) value is written to PCR3.
and P3
5
5
6
change from input pins to output pins.
P3
Output
Low
level
1
0
1
P3
Output
Low
level
1
0
1
4
4
P3
Output
Low
level
1
0
1
P3
Output
Low
level
1
0
1
3
3
0
an input port. However, bits 7
P3
Output
Low
level
1
0
1
P3
Output
Low
level
1
0
1
2
2
P3
Output
Low
level
1
0
1
P3
Output
Low
level
1
0
1
1
1
P3
Output
Low
level
1
0
1
P3
Output
High
level
0
0
0
0
0
59