R4F24278NVFQU Renesas Electronics America, R4F24278NVFQU Datasheet - Page 764

• Manufacturer Part Number: R4F24278NVFQU
• Description: MCU 512K/48K 2.7-5.5V 144-LQFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2400r

Specifications of R4F24278NVFQU

• Core Processor: H8S/2600
• Core Size: 16/32-Bit
• Speed: 33MHz
• Connectivity: EBI/EMI, I²C, IrDA, SCI, Smart Card, SPI, SSU, UART/USART
• Peripherals: DMA, POR, PWM, WDT
• Number Of I /o: 98
• Program Memory Size: 512KB (512K x 8)
• Program Memory Type: FLASH
• Eeprom Size: -
• Ram Size: 64K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 3.6 V
• Data Converters: A/D 16x10b; D/A 2x8b
• Oscillator Type: External
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 144-LQFP
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Section 11 I/O Ports
11.18.5 Port Function Control Register 4 (PFCR4)
PFCR4 switches the functions of the WAIT input pin, BREQ input pin, BACK output pin,
BREQO output pin, TxD4 output pin, RxD4 input pin, and SCK4 input/output pin.
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Bit
7
6
5
4
3
2
Bit Name
WAITS
BREQS
BACKS
BREQOS
⎯
TXD4S
Initial Value
0
0
0
0
0
0
R/W
R/W
R/W
R/W
R/W
⎯
R/W
TxD4 Pin Select
Description
WAIT Pin Select
Selects the WAIT input pin.
0: PF0/WAIT-A is selected.
1: P25/WAIT-B is selected.
BREQ Pin Select
Selects the BREQ input pin.
0: PG6/BREQ-A is selected.
1: P51/BREQ-B is selected.
BACK Pin Select
Selects the BACK output pin.
0: PG5/BACK-A is selected.
1: P52/BACK-B is selected.
BREQO Pin Select
Selects the BREQO output pin.
0: PG4/BREQO-A is selected.
1: P50/BREQO-B is selected.
Reserved
This bit is always read as 0. Only the initial value
should be written to this bit.
Selects the TxD4 output pin.
0: P23/TxD4-A is selected.
1: PA1/TxD4-B is selected.
H8S/2427, H8S/2427R, H8S/2425 Group
REJ09B0565-0100 Rev. 1.00
Jul 22, 2010