DF2437FV Renesas Electronics America, DF2437FV Datasheet - Page 597

• 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: -

20.2
Table 20.2 shows the flash memory pin configuration.
Table 20.2 Pin Configuration
20.3
The registers/parameters which control flash memory are shown below. To access these registers,
the FLSHE bit in SYSCR must be set to 1. For details on SYSCR, see section 3.2.2, System
Control Register (SYSCR).
• Flash code control/status register (FCCS)
• Flash program code select register (FPCS)
• Flash erase code select register (FECS)
• Flash key code register (FKEY)
• Flash MAT select register (FMATS)
• Flash transfer destination address register (FTDAR)
• Download pass/fail result (DPFR)
• Flash pass/fail result (FPFR)
• Flash multipurpose address area (FMPAR)
• Flash multipurpose data destination area (FMPDR)
• Flash erase block select (FEBS)
• Flash program/erase frequency control (FPEFEQ)
There are several operating modes for accessing flash memory, for example, read mode/program
mode.
Pin Name
RES
FWE
MD2
MD1
MD0
TxD1
RxD1
Input/Output Pins
Register Descriptions
I/O
Input
Input
Input
Input
Input
Output
Input
Function
Reset
Flash memory programming/erasing enable pin
Sets operating mode of this LSI
Sets operating mode of this LSI
Sets operating mode of this LSI
Serial transmit data output (used in boot mode)
Serial receive data input (used in boot mode)
Rev.2.00 May. 28, 2009 Page 557 of 732
REJ09B0059-0200