DF2437FV Renesas Electronics America, DF2437FV Datasheet - Page 25

• 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: -

Section 1 Overview
Figure 1.1
Figure 1.2
Figure 1.3
Section 2 CPU
Figure 2.1
Figure 2.2
Figure 2.3
Figure 2.4
Figure 2.5
Figure 2.6
Figure 2.7
Figure 2.8
Figure 2.9
Figure 2.9
Figure 2.10
Figure 2.11
Figure 2.12
Figure 2.13
Section 3 MCU Operating Modes
Figure 3.1
Section 4 Exception Handling
Figure 4.1
Figure 4.2
Figure 4.3
Section 5 Interrupt Controller
Figure 5.1
Figure 5.2
Figure 5.3
Figure 5.4
Figure 5.5
Figure 5.6
Section 6 Bus Controller (BSC)
Figure 6.1
Figure 6.2
Internal Block Diagram of H8S/2437 Group .......................................................2
Pin Assignment of H8S/2437 Group (FP-128B)..................................................3
Sample Design of Reset Signals without Affection Each Other ..........................14
Exception-Handling Vector Table (Normal Mode) .............................................19
Stack Structure in Normal Mode..........................................................................19
Exception-Handling Vector Table (Advanced Mode) .........................................20
Stack Structure in Advanced Mode......................................................................21
Memory Map .......................................................................................................22
CPU Registers......................................................................................................23
Usage of General Registers..................................................................................24
Stack.....................................................................................................................25
General Register Data Formats (1) ......................................................................28
General Register Data Formats (2) ......................................................................29
Memory Data Formats .........................................................................................30
Instruction Formats (Examples)...........................................................................42
Branch Address Specification in Memory Indirect Mode....................................46
State Transitions...................................................................................................50
Memory Map .......................................................................................................56
Reset Sequence ....................................................................................................60
Stack Status after Exception Handling.................................................................63
Operation when SP Value is Odd.........................................................................64
Block Diagram of Interrupts IRQ7 to IRQ0.........................................................77
Flowchart of Procedure Up to Interrupt Acceptance
Flowchart of Procedure Up to Interrupt Acceptance
Interrupt Exception Handling...............................................................................87
Contention between Interrupt Generation and Disabling.....................................90
Block Diagram of Bus Controller ........................................................................94
CSn Signal Output Polarity and Output Timing ..................................................102
Block Diagram of Interrupt Controller ................................................................66
in Interrupt Control Mode 0 .................................................................................83
in Interrupt Control Mode 2 .................................................................................85
Figures
Rev.2.00 May. 28, 2009 Page xxiii of xxxviii
REJ09B0059-0200