HD64F3048F16 Renesas Electronics America, HD64F3048F16 Datasheet - Page 204
![IC H8 MCU FLASH 128K 100QFP](/photos/12/21/122166/qfp100-g1_pkg_sml.jpg)
HD64F3048F16
Manufacturer Part Number
HD64F3048F16
Description
IC H8 MCU FLASH 128K 100QFP
Manufacturer
Renesas Electronics America
Series
H8® H8/300Hr
Specifications of HD64F3048F16
Core Processor
H8/300H
Core Size
16-Bit
Speed
8MHz
Connectivity
SCI, SmartCard
Peripherals
DMA, PWM, WDT
Number Of I /o
70
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Ram Size
4K 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
100-QFP
Package
100PQFP
Family Name
H8
Maximum Speed
16 MHz
Operating Supply Voltage
5 V
Data Bus Width
16|32 Bit
Number Of Programmable I/os
70
Interface Type
SCI
On-chip Adc
8-chx10-bit
On-chip Dac
2-chx8-bit
Number Of Timers
5
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
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Section 7 Refresh Controller
Self-Refresh Mode
Some DRAM devices have a self-refresh function. After the SRFMD bit is set to 1 in RFSHCR,
when a transition to software standby mode occurs, the CAS and RAS outputs go low in that order
so that the DRAM self-refresh function can be used. On exit from software standby mode, the
CAS and RAS outputs both go high.
Table 7.7 shows the pin states in software standby mode. Figure 7.6 shows the signal output
timing.
Table 7.7
Signal
HWR
LWR
RD
CS
RFSH
Rev. 3.00 Sep 27, 2006 page 176 of 872
REJ09B0325-0300
3
Pin States in Software Standby Mode (1) (PSRAME = 0, DRAME = 1)
CAS/WE
High-impedance
High-impedance
High-impedance
High
High
WE = 0
WE
WE
SRFMD = 0
CAS/WE
High-impedance
High-impedance
High-impedance
High
High
WE = 1
WE
WE
Software Standby Mode
CAS/WE
High
High
Low
Low
Low
SRFMD = 1 (self-refresh mode)
WE = 0
WE
WE
CAS/WE
Low
Low
High
Low
Low
WE = 1
WE
WE
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