HD6473837H Renesas Electronics America, HD6473837H Datasheet - Page 69

• 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: -

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