HD64F3029XBL25V Renesas Electronics America, HD64F3029XBL25V Datasheet - Page 160
![MCU 5V 512K,PB-FREE 100-TQFP](/photos/28/61/286123/100-tqfp__100-vqfp_sml.jpg)
HD64F3029XBL25V
Manufacturer Part Number
HD64F3029XBL25V
Description
MCU 5V 512K,PB-FREE 100-TQFP
Manufacturer
Renesas Electronics America
Series
H8® H8/300Hr
Datasheet
1.HD64F3029X25.pdf
(1012 pages)
Specifications of HD64F3029XBL25V
Core Processor
H8/300H
Core Size
16-Bit
Speed
25MHz
Connectivity
SCI, SmartCard
Peripherals
DMA, PWM, WDT
Number Of I /o
70
Program Memory Size
512KB (512K x 8)
Program Memory Type
FLASH
Ram Size
16K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 8x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
100-TQFP, 100-VQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
- Current page: 160 of 1012
- Download datasheet (5Mb)
Bit 0—Refresh Pin Enable (RFSHE): Enables or disables RFSH pin refresh signal output. If
areas 2 to 5 are not designated as DRAM space, this bit should not be set to 1.
Bit 0
RFSHE
0
1
6.2.8
DRCRB is an 8-bit readable/writable register that selects the number of address multiplex column
address bits for the DRAM interface, the column address strobe output pin, enabling or disabling
of refresh cycle insertion, the number of precharge cycles, enabling or disabling of wait state
insertion between RAS and CAS, and enabling or disabling of wait state insertion in refresh
cycles.
DRCRB is initialized to H'08 by a reset and in hardware standby mode. It is not initialized in
software standby mode.
The settings in this register are invalid when bits DRAS2 to DRAS0 in DRCRA are all 0.
Bits 7 and 6—Multiplex Control 1 and 0 (MXC1, MXC0): These bits select the row
address/column address multiplexing method used on the DRAM interface. In burst operation,
the row address used for comparison is determined by the setting of these bits and the bus width of
the relevant area set in ABWCR.
Bit
Initial value
Read/Write
DRAM Control Register B (DRCRB)
MXC1
R/W
7
0
Description
RFSH pin refresh signal output disabled
(RFSH pin can be used as input/output port)
RFSH pin refresh signal output enabled
MXC0
R/W
6
0
CSEL
R/W
5
0
RCYCE
R/W
4
0
—
—
3
1
Rev. 2.0, 06/04, page 131 of 980
TPC
R/W
2
0
RCW
R/W
1
0
(Initial value)
RLW
R/W
0
0
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