DF2398TE20V Renesas Electronics America, DF2398TE20V Datasheet - Page 149
![IC H8S MCU FLASH 256K 120TQFP](/photos/12/21/122170/df2398te20v_sml.jpg)
DF2398TE20V
Manufacturer Part Number
DF2398TE20V
Description
IC H8S MCU FLASH 256K 120TQFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2300r
Specifications of DF2398TE20V
Core Processor
H8S/2000
Core Size
16-Bit
Speed
20MHz
Connectivity
SCI, SmartCard
Peripherals
DMA, POR, PWM, WDT
Number Of I /o
87
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Data Converters
A/D 8x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
120-TQFP, 120-VQFP
For Use With
YR0K42378FC000BA - KIT EVAL FOR H8S/2378
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Other names
HD64F2398TE20V
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DF2398TE20V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
- Current page: 149 of 1049
- Download datasheet (5Mb)
Bit 3—Compare Match Interrupt Enable (CMIE): Enables or disables interrupt requests (CMI) by the CMF flag when
the CMF flag in DRAMCR is set to 1.
When refresh control is performed (RFSHE = 1), the CMIE bit is always cleared to 0.
Bits 2 to 0—Refresh Counter Clock Select (CKS2 to CKS0): These bits select the clock to be input to RTCNT from
among 7 internal clocks obtained by dividing the system clock (ø). When the input clock is selected with bits CKS2 to
CKS0, RTCNT begins counting up.
6.2.8
RTCNT is an 8-bit readable/writable up-counter.
RTCNT counts up using the internal clock selected by bits CKS2 to CKS0 in DRAMCR.
When RTCNT matches RTCOR (compare match), the CMF flag in DRAMCR is set to 1 and RTCNT is cleared to H'00.
If the RFSHE bit in DRAMCR is set to 1 at this time, a refresh cycle is started. Also, if the CMIE bit in DRAMCR is set
to 1, a compare match interrupt (CMI) is generated.
RTCNT is initialized to H'00 by a power-on reset and in hardware standby mode. It is not initialized by a manual reset* or
in software standby mode.
Note: * Manual reset is only supported in the H8S/2357 ZTAT.
Bit
Initial value :
R/W
Refresh Timer/Counter (RTCNT)
Bit 3
CMIE
0
1
Bit 2
CKS2
0
1
:
:
R/W
7
0
Description
Interrupt request (CMI) by CMF flag disabled
Interrupt request (CMI) by CMF flag enabled
Bit 1
CKS1
0
1
0
1
R/W
6
0
Bit 0
CKS0
0
1
0
1
0
1
0
1
R/W
5
0
Count uses ø/2
Count uses ø/32
Count uses ø/512
Count uses ø/4096
Description
Count operation disabled
Count uses ø/8
Count uses ø/128
Count uses ø/2048
R/W
4
0
R/W
3
0
R/W
2
0
R/W
Rev.6.00 Oct.28.2004 page 119 of 1016
1
0
R/W
0
0
(Initial value)
(Initial value)
REJ09B0138-0600H
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