DF3052BX25V Renesas Electronics America, DF3052BX25V Datasheet - Page 144

• Manufacturer Part Number: DF3052BX25V
• Description: MCU 5V 512K 100-TQFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8/300Hr

Specifications of DF3052BX25V

• Core Processor: H8/300H
• Core Size: 16-Bit
• Speed: 25MHz
• Connectivity: SCI, SmartCard
• Peripherals: DMA, POR, PWM, WDT
• Number Of I /o: 70
• Program Memory Size: 512KB (512K 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: 100-TQFP, 100-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

Section 6 Bus Controller
6.2.3
WCR is an 8-bit readable/writable register that selects the wait mode for the wait-state controller
(WSC) and specifies the number of wait states.
Bit
Initial value
Read/Write
WCR is initialized to H'F3 by a reset and in hardware standby mode. It is not initialized in
software standby mode.
Bits 7 to 4—Reserved: Read-only bits, always read as 1.
Bits 3 and 2—Wait Mode Select 1 and 0 (WMS1/0): These bits select the wait mode.
Bits 1 and 0—Wait Count 1 and 0 (WC1/0): These bits select the number of wait states inserted
in access to external three-state-access areas.
Rev. 3.00 Mar 21, 2006 page 114 of 814
REJ09B0302-0300
Bit 3: WMS1
0
1
Bit 1: WC1
0
1
Wait Control Register (WCR)
—
—
7
1
Bit 2: WMS0
0
1
0
1
Bit 0: WC0
0
1
0
1
Reserved bits
—
—
6
1
—
—
5
1
Description
Programmable wait mode
No wait states inserted by wait-state controller
Pin wait mode 1
Pin auto-wait mode
Description
No wait states inserted by wait-state controller
1 state inserted
2 states inserted
3 states inserted
—
—
4
1
Wait mode select 1/0
These bits select the wait mode
WMS1
R/W
3
0
WMS0
R/W
2
0
Wait count 1/0
These bits select the
number of wait states
inserted
WC1
R/W
1
1
(Initial value)
(Initial value)
WC0
R/W
0
1