DF2437FV Renesas Electronics America, DF2437FV Datasheet - Page 235

• Manufacturer Part Number: DF2437FV
• Description: IC H8S/2437 MCU FLASH 128QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2400r

Specifications of DF2437FV

• Core Processor: H8S/2600
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: I²C, SCI
• Peripherals: POR, PWM, WDT
• Number Of I /o: 85
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 16K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 3.6 V
• Data Converters: A/D 16x10b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 128-QFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

7.10.4
PFCR controls the I/O port.
Bit
7 to 5 ⎯
4
3
2
1
0
Bit Name
CS3E
CS2E
CS1E
LWROE
ASOE
Port Function Control Register (PFCR)
Initial Value
All 0
0
0
0
0
0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Description
Reserved
These bits are always read as 0. The write value
should always be 0.
CS3 Output Enable
Selects to enable or disable the CS3 output.
0: PA7 is designated as I/O port
1: PA7 is designated as CS3 output pin
CS2 Output Enable
Selects to enable or disable the CS2 output.
0: P91 is designated as I/O port
1: P91 is designated as CS2 output pin
CS1 Output Enable
Selects to enable or disable the CS1 output.
0: P92 is designated as I/O port
1: P92 is designated as CS1 output pin
LWR Output Enable
Selects to enable or disable the LWR output.
0: P90 is designated as I/O port
1: P90 is designated as LWR output pin
AS Output Enable
Selects to enable or disable the AS output.
0: P95 is designated as I/O port
1: P95 is designated as AS output pin
Rev.2.00 May. 28, 2009 Page 195 of 732
REJ09B0059-0200