DF2148RTE20IV Renesas Electronics America, DF2148RTE20IV Datasheet - Page 1105
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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SYSCR—System Control Register
Bit
Initial value
Read/Write
CS2 enable
SYSCR
CS2E
Bit 7
0
1
IOS enable
Note: * In the H8S/2148 F-ZTAT A-mask version and H8S/2147 F-ZTAT A-mask version,
FGA20E
0
1
HICR
Bit 0
CS2E
R/W
0
1
0
1
The AS/IOS pin functions as the address strobe pin
(Low output when accessing an external area)
The AS/IOS pin functions as the I/O strobe pin
(Low output when accessing a specified address from H'(FF)F000 to H'(FF)FE4F) *
7
0
the address range is from H'(FF)F000 to H'(FF)F7FF.
CS2 pin function halted
(CS2 fixed high internally)
CS2 pin function selected for P81/CS2 pin
CS2 pin function selected for P90/ECS2 pin
Interrupt control mode select
INTM1
IOSE
0
R/W
6
0
INTM0
0
1
Description
INTM1
R
5
0
Interrupt control mode 0
Interrupt control mode 1
External reset
0
1
Description
NMI edge select
Reset generated by watchdog timer overflow
Reset generated by an external reset
0
1
INTM0
R/W
4
0
Falling edge
Rising edge
Rev. 4.00 Sep 27, 2006 page 1059 of 1130
XRST
H'FFC4
R
3
1
Host interface enable
0
1
Appendix B Internal I/O Registers
NMIEG
Addresses H'(FF)FFF0 to H'(FF)FFF7
and H'(FF)FFFC to H'(FF)FFFF are
used for access to 8-bit timer (channel
X and Y) data registers and control
registers, and timer connection
control registers
Addresses H'(FF)FFF0 to H'(FF)FFF7
and H'(FF)FFFC to H'(FF)FFFF are
used for access to host interface data
registers and control registers, and
keyboard controller and MOS input
pull-up control registers
R/W
2
0
RAM Enable
0
1
On-chip RAM is disabled
On-chip RAM is enabled
R/W
HIE
1
0
REJ09B0327-0400
RAME
R/W
0
1
System
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