DF61654N50FTV Renesas Electronics America, DF61654N50FTV Datasheet - Page 194

• Manufacturer Part Number: DF61654N50FTV
• Description: IC H8SX/1654 MCU FLASH 120TQFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8SX/1600r

Specifications of DF61654N50FTV

• Core Processor: H8SX
• Core Size: 32-Bit
• Speed: 50MHz
• Connectivity: I²C, IrDA, SCI, SmartCard, USB
• Peripherals: DMA, PWM, WDT
• Number Of I /o: 75
• Program Memory Size: 512KB (512K x 8)
• Program Memory Type: FLASH
• Ram Size: 40K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 3.6 V
• Data Converters: A/D 8x10b; D/A 2x8b
• Oscillator Type: External
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 120-TQFP, 120-VQFP
• For Use With: HS0005KCU11H - EMULATOR E10A-USB H8S(X),SH2(A)3DK1657 - DEV EVAL KIT FOR H8SX/1657
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

Section 6 Bus Controller (BSC)
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.
Rev.1.00 Sep. 08, 2005 Page 144 of 966
REJ09B0219-0100
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
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
bus mastership request conflicts with a DMAC or
DTC bus mastership request
IBCCS
R/W
4
0
R
3
0
R
2
0
R/W
1
1
PWDBE
R/W
0
0