DF2148ATE20 Renesas Electronics America, DF2148ATE20 Datasheet - Page 694

• Manufacturer Part Number: DF2148ATE20
• Description: IC H8S MCU FLASH 128K 100-QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2100r

Specifications of DF2148ATE20

• 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: -20°C ~ 75°C
• Package / Case: 100-TQFP, 100-VQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Other names: HD64F2148ATE20; HD64F2148ATE20

Section 22 ROM
22.4.4
The flash memory is controlled by means of the pins shown in table 22.3.
Table 22.3 Flash Memory Pins
Pin Name
Reset
Mode 1
Mode 0
Port 92
Port 91
Port 90
Transmit data
Receive data
22.4.5
The registers used to control the on-chip flash memory when enabled are shown in table 22.4.
In order for these registers to be accessed, the FLSHE bit must be set to 1 in STCR.
Table 22.4 Flash Memory Registers
Register Name
Flash memory control register 1
Flash memory control register 2
Erase block register 1
Erase block register 2
Serial/timer control register
Notes: 1. Lower 16 bits of the address.
Rev. 4.00 Sep 27, 2006 page 648 of 1130
REJ09B0327-0400
2. Flash memory registers share addresses with other registers. Register selection is
3. In modes in which the on-chip flash memory is disabled, a read will return H'00, and
4. The SWE bit in FLMCR1 is not set, these registers are initialized to H'00.
5. FLMCR1, FLMCR2, EBR1, and EBR2 are 8-bit registers. Only byte accesses are valid
Pin Configuration
Register Configuration
performed by the FLSHE bit in the serial/timer control register (STCR).
writes are invalid.
for these registers, the access requiring 2 states. These registers are used only in the
flash memory version. In the mask ROM version, a read at any of these addresses will
return an undefined value, and writes are invalid.
(Mask ROM Version, H8S/2148 F-ZTAT, H8S/2147N F-ZTAT, H8S/2144 F-ZTAT, and H8S/2142 F-ZTAT)
Abbreviation
RES
MD1
MD0
P92
P91
P90
TxD1
RxD1
I/O
Input
Input
Input
Input
Input
Input
Output
Input
Abbreviation R/W
FLMCR1 *
FLMCR2 *
EBR1 *
EBR2 *
STCR
5
5
Reset
Sets MCU operating mode
Sets MCU operating mode
Serial transmit data output
Serial receive data input
Function
Sets MCU operating mode when MD1 = MD0 = 0
Sets MCU operating mode when MD1 = MD0 = 0
Sets MCU operating mode when MD1 = MD0 = 0
5
5
R/W *
R/W *
R/W *
R/W *
R/W
3
3
3
3
Initial Value
H'80
H'00 *
H'00 *
H'00 *
H'00
4
4
4
Address *
H'FF80 *
H'FF81 *
H'FF82 *
H'FF83 *
H'FFC3
2
2
2
2
1