DF2357F20 Renesas Electronics America, DF2357F20 Datasheet - Page 137

• Manufacturer Part Number: DF2357F20
• Description: IC H8S MCU FLASH 5V 128K 128QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2300r

Specifications of DF2357F20

• 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: 128KB (128K 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: 128-QFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

6.1.4
Table 6-2 summarizes the registers of the bus controller.
Table 6-2
Notes: 1. Lower 16 bits of the address.
2. Determined by the MCU operating mode.
3. Manual reset is only supported in the H8S/2357 ZTAT.
Register Configuration
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
Bus Controller Registers
Abbreviation
ABWCR
ASTCR
WCRH
WCRL
BCRH
BCRL
MCR
DRAMCR
RTCNT
RTCOR
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Power-On
Reset
H'FF/H'00*
H'FF
H'FF
H'FF
H'D0
H'3C
H'00
H'00
H'00
H'FF
Initial Value
2
Rev.6.00 Oct.28.2004 page 107 of 1016
Manual
Reset*
Retained
Retained
Retained
Retained
Retained
Retained
Retained
Retained
Retained
Retained
3
Address*
H'FED0
H'FED1
H'FED2
H'FED3
H'FED4
H'FED5
H'FED6
H'FED7
H'FED8
H'FED9
REJ09B0138-0600H
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