DF2148RTE20IV Renesas Electronics America, DF2148RTE20IV Datasheet - Page 634
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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Section 18 Host Interface
Bit 1—Host Interface Enable (HIE): Enables or disables CPU access to the host interface
registers. When enabled, the host interface registers (HICR, IDR1, ODR1, STR1, IDR2, ODR2,
and STR2) can be accessed.
Bit 1
HIE
0
1
18.2.2
SYSCR2 is an 8-bit readable/writable register which controls chip operations. Host interface
functions are enabled or disabled by the HI12E bit in SYSCR2. The number of channels that can
be used can be extended to a maximum of four by means of the CS3E bit and CS4E bit. SYSCR2
is initialized to H'00 by a reset and in hardware standby mode.
Bits 7 and 6—Key Wakeup Level 1 and 0 (KWUL1, KWUL0): The port 6 input level can be
set and changed by software. For details see section 8, I/O Ports.
Bit 5—Port 6 Input Pull-Up Extra (P6PUE): Controls and selects the current specification for
the port 6 MOS input pull-up function connected by means of KMPCR settings. For details see
section 8, I/O Ports.
Bit 4—Reserved: Do not write 1 to this bit.
Rev. 4.00 Sep 27, 2006 page 588 of 1130
REJ09B0327-0400
Bit
Initial value
Read/Write
System Control Register 2 (SYSCR2)
Description
Host interface register (HICR, IDR1, ODR1, STR1, IDR2, ODR2, STR2), CPU
access is disabled
Host interface register (HICR, IDR1, ODR1, STR1, IDR2, ODR2, STR2), CPU
access is enabled
KWUL1
R/W
7
0
KWUL0
R/W
6
0
P6PUE
R/W
5
0
—
—
4
0
SDE
R/W
3
0
CS4E
R/W
2
0
CS3E
R/W
1
0
(Initial value)
HI12E
R/W
0
0
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