DF2148RTE20IV Renesas Electronics America, DF2148RTE20IV Datasheet - Page 163
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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5.2
5.2.1
Bit
Initial value
Read/Write
SYSCR is an 8-bit readable/writable register that selects the interrupt control mode, and the
detected edge for NMI, among other functions.
Only bits 5, 4, and 2 are described here; for details on the other bits, see section 3.2.2, System
Control Register (SYSCR).
SYSCR is initialized to H'09 by a reset and in hardware standby mode. It is not initialized in
software standby mode.
Bits 5 and 4—Interrupt Control Mode 1 and 0 (INTM1, INTM0): These bits select one of four
interrupt control modes for the interrupt controller. The INTM1 bit must not be set to 1.
Bit 2—NMI Edge Select (NMIEG): Selects the input edge for the NMI pin.
Bit 5
INTM1
0
1
Bit 2
NMIEG
0
1
Register Descriptions
System Control Register (SYSCR)
Bit 4
INTM0
0
1
0
1
Description
Interrupt request generated at falling edge of NMI input
Interrupt request generated at rising edge of NMI input
CS2E
R/W
7
0
Interrupt
Control Mode
0
1
2
3
IOSE
R/W
6
0
INTM1
R
5
0
Description
Interrupts are controlled by I bit
Interrupts are controlled by I and UI bits and ICR
Cannot be used in this LSI
Cannot be used in this LSI
INTM0
R/W
4
0
XRST
Rev. 4.00 Sep 27, 2006 page 117 of 1130
R
3
1
NMIEG
R/W
2
0
Section 5 Interrupt Controller
R/W
HIE
1
0
REJ09B0327-0400
(Initial value)
(Initial value)
RAME
R/W
0
1
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