DF2148RTE20IV Renesas Electronics America, DF2148RTE20IV Datasheet - Page 135
DF2148RTE20IV
Manufacturer Part Number
DF2148RTE20IV
Description
MCU 5V 128K I-TEMP,PB-FREE, 100-
Manufacturer
Renesas Electronics America
Series
H8® H8S/2100r
Specifications of DF2148RTE20IV
Core Processor
H8S/2000
Core Size
16-Bit
Speed
20MHz
Connectivity
Host Interface, I²C, IrDA, SCI
Peripherals
POR, PWM, WDT
Number Of I /o
74
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
4 V ~ 5.5 V
Data Converters
A/D 8x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
100-TQFP, 100-VQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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Bit 3—Flash Memory Control Register Enable (FLSHE): Controls CPU access to the flash
memory control registers (FLMCR1, FLMCR2, EBR1, and EBR2), the power-down mode control
registers (SBYCR, LPWRCR, MSTPCRH, and MSTPCRL), and the supporting module control
register (PCSR and SYSCR2).
Bit 2—Reserved: Do not write 1 to this bit.
Bits 1 and 0—Internal Clock Select 1 and 0 (ICKS1, ICKS0): These bits, together with bits
CKS2 to CKS0 in TCR, select the clock to be input to TCNT. For details, see section 12.2.4,
Timer Control Register (TCR).
3.3
3.3.1
The CPU can access a 64-kbyte address space in normal mode. The on-chip ROM is disabled.
Ports 1 and 2 function as an address bus, port 3 functions as a data bus, and part of port 9 carries
bus control signals. Clearing the ABW bit to 0 in the WSCR register makes port B a data bus.
3.3.2
The CPU can access a 16-Mbyte address space in advanced mode. The on-chip ROM is enabled.
After a reset, single-chip mode is set, and the EXPE bit in MDCR must be set to 1 in order to use
external addresses.
When the EXPE bit in MDCR is set to 1, ports 1, 2 and A function as input ports after a reset.
They can be set to output addresses by setting the corresponding bits in the data direction register
(DDR) to 1. Port 3 functions as a data bus, and part of port 9 carries bus control signals. Clearing
the ABW bit to 0 in the WSCR register makes port B a data bus.
Bit 3
FLSHE
0
1
Mode 1
Mode 2
Operating Mode Descriptions
Description
Addresses H'(FF)FF80 to H'(FF)FF87 are used for power-down mode control register
and supporting module control register access
Addresses H'(FF)FF80 to H'(FF)FF87 are used for flash memory control register
access (F-ZTAT version only)
Rev. 4.00 Sep 27, 2006 page 89 of 1130
Section 3 MCU Operating Modes
REJ09B0327-0400
(Initial value)
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