DF61657CN35FTV Renesas Electronics America, DF61657CN35FTV Datasheet - Page 173

• Manufacturer Part Number: DF61657CN35FTV
• Description: IC H8SX/1657 MCU FLASH 120TQFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8SX/1600r

Specifications of DF61657CN35FTV

• Core Processor: H8SX
• Core Size: 32-Bit
• Speed: 35MHz
• Connectivity: SCI, SmartCard
• Peripherals: DMA, PWM, WDT
• Number Of I /o: 82
• Program Memory Size: 768KB (768K x 8)
• Program Memory Type: FLASH
• Ram Size: 24K 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: 120-TQFP, 120-VQFP
• For Use With: 3DK1657 - DEV EVAL KIT FOR H8SX/1657
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

6.2.8
BCR2 is used for bus arbitration control of the CPU, DMAC, and DTC, and enabling/disabling of
the write data buffer function to the peripheral modules.
Bit
7, 6
5
4
3, 2
1
0
Bit
Bit Name
Initial Value
R/W
Bit Name


IBCCS


PWDBE
Bus Control Register 2 (BCR2)

R
7
0
Initial
Value
All 0
0
0
All 0
1
0

R
6
0
R/W
R
R/W
R/W
R
R/W
R/W
R/W

5
0
Description
Reserved
These are read-only bits and cannot be modified.
Reserved
This bit is always read as 0. The write value should
always be 0.
Internal Bus Cycle Control Select
Selects the internal bus arbiter function.
0: Releases the bus mastership according to the priority
1: Executes the bus cycles alternatively when a CPU bus
Reserved
These are read-only bits and cannot be modified.
Reserved
This bit is always read as 1. The write value should
always be 1.
Peripheral Module Write Data Buffer Enable
Specifies whether or not to use the write data buffer
function for the peripheral module write cycles.
0: Write data buffer function not used
1: Write data buffer function used
mastership request conflicts with a DMAC or DTC bus
mastership request
IBCCS
R/W
4
0

R
3
0
Rev. 2.00 Jun. 28, 2007 Page 147 of 864

R
2
0
Section 6 Bus Controller (BSC)
R/W

1
1
REJ09B0341-0200
PWDBE
R/W
0
0