HD64F2338VFC25 Renesas Electronics America, HD64F2338VFC25 Datasheet - Page 165
HD64F2338VFC25
Manufacturer Part Number
HD64F2338VFC25
Description
MCU 3V 256K 144-QFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2300r
Datasheet
1.DF2338VFC25V.pdf
(1246 pages)
Specifications of HD64F2338VFC25
Core Processor
H8S/2000
Core Size
16-Bit
Speed
25MHz
Connectivity
SCI, SmartCard
Peripherals
DMA, POR, PWM, WDT
Number Of I /o
106
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 3.6 V
Data Converters
A/D 12x10b; D/A 4x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
144-QFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
HD64F2338VFC25
Manufacturer:
Renesas Electronics America
Quantity:
10 000
- Current page: 165 of 1246
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6.1.4
Table 6.2 summarizes the registers of the bus controller.
Table 6.2
Notes: 1. Lower 16 bits of the address.
Name
Wait
Bus request
Bus request
acknowledge
Bus request output
Name
Bus width control register
Access state control register
Wait control register H
Wait control register L
Bus control register H
Bus control register L
Memory control register
DRAM control register
Refresh timer counter
Refresh time constant register
2. Determined by the MCU operating mode.
Register Configuration
Bus Controller Registers
Symbol
WAIT
BREQ
BACK
BREQO
I/O
Input
Input
Output
Output
Abbreviation
ABWCR
ASTCR
WCRH
WCRL
BCRH
BCRL
MCR
DRAMCR
RTCNT
RTCOR
Function
Wait request signal when accessing external 3-
state access space.
Request signal for release of bus to external
device.
Acknowledge signal indicating that bus has been
released.
External bus request signal used when internal
bus master accesses external space when
external bus is released.
Rev.4.00 Sep. 07, 2007 Page 133 of 1210
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Initial Value
Reset
H'FF/H'00 *
H'FF
H'FF
H'FF
H'D0
H'3C
H'00
H'00
H'00
H'FF
REJ09B0245-0400
2
Address *
H'FED0
H'FED1
H'FED4
H'FED6
H'FED7
H'FED8
H'FED2
H'FED3
H'FED5
H'FED9
1
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