D13002F16V Renesas Electronics America, D13002F16V Datasheet - Page 159

• Manufacturer Part Number: D13002F16V
• Description: IC H8/3002 ROMLESS 100QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8/300Hr

Specifications of D13002F16V

• Core Processor: H8/300H
• Core Size: 16-Bit
• Speed: 16MHz
• Connectivity: SCI
• Peripherals: DMA, PWM, WDT
• Number Of I /o: 38
• Program Memory Type: ROMless
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 100-QFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Program Memory Size: -

7.2 Register Descriptions
7.2.1 Refresh Control Register (RFSHCR)
RFSHCR is an 8-bit readable/writable register that selects the operating mode of the refresh
controller.
RFSHCR is initialized to H'02 by a reset and in hardware standby mode.
Bit
Initial value
Read/Write
Self-refresh mode
Selects self-refresh mode
SRFMD
R/W
7
0
PSRAM enable and DRAM enable
These bits enable or disable connection of pseudo-static RAM and DRAM
PSRAME
R/W
6
0
DRAME
R/W
5
0
Strobe mode select
Selects 2CAS or 2WE strobing of DRAM
CAS/WE
142
R/W
4
0
Address multiplex mode select
Selects the number of column address bits
M9/M8
R/W
3
0
Refresh pin enable
Enables refresh signal output
from the refresh pin
RFSHE
R/W
2
0
Reserved bit
—
—
1
1
Refresh cycle
enable
Enables or
disables
insertion of
refresh cycles
RCYCE
R/W
0
0