HD6473837H Renesas Electronics America, HD6473837H Datasheet - Page 69
HD6473837H
Manufacturer Part Number
HD6473837H
Description
IC H8 MCU OTP 60K 100QFP
Manufacturer
Renesas Electronics America
Series
H8® H8/300Lr
Datasheet
1.HD6473837HV.pdf
(562 pages)
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
-
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2.8.2
After a reset, the LCD RAM area is located at addresses H'F740 to H'F77F. However, this area
can be relocated by setting the LCD RAM relocation register (RLCTR) bits. The LCD RAM
relocation register is explained below.
LCD RAM relocation register (RLCTR: H'FFCF)
RLCTR is an 8-bit read/write register that selects the LCD RAM address space. Upon reset,
RLCTR is initialized to H'00.
Bits 7 to 2: Reserved Bits
Bits 7 to 2 are reserved; they are always read as 1, and cannot be modified.
Bits 1 and 0: LCD RAM relocation select (RLCT1, RLCT0)
Bits 1 and 0 select the LCD RAM address space.
Bit 1: RLCT1
0
1
Notes: 1. In devices with 1,024-byte RAM, if RLCT1 to 0 are set to 11, on-chip RAM addresses
52
Bit
Initial value
Read/Write
2. In devices with 2,048-byte RAM, if RLCT1 to 0 are set to any value except 00, these on-
LCD RAM Address Relocation
H'FB80 to H'FD7F become inaccessible.
chip RAM addresses become inaccessible.
Bit 0: RLCT0
0
1
0
1
—
—
7
1
—
—
6
1
Description
H'F740 toH'F77F
H'F940 to H'F97F*
H'FB40 to H'FB7F*
H'FD40 to H'FD7F*
—
—
5
1
—
—
4
1
2
2
1, 2
—
—
3
1
—
—
2
1
RLCT1
R/W
1
0
(initial value)
RLCT0
R/W
0
0
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