D12321VF20V Renesas Electronics America, D12321VF20V Datasheet - Page 886

• Manufacturer Part Number: D12321VF20V
• Description: IC H8S/2321 MCU ROMLESS 128QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2300r

Specifications of D12321VF20V

• Core Processor: H8S/2000
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: SCI, SmartCard
• Peripherals: POR, PWM, WDT
• Number Of I /o: 86
• Program Memory Type: ROMless
• Ram Size: 4K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 3.6 V
• Data Converters: A/D 8x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 128-QFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Program Memory Size: -

Section 19 ROM
19.22.5 Flash Memory Emulation in RAM
Reading Overlap RAM Data in User Mode and User Program Mode: Emulation should be
performed in user mode or user program mode. When the emulation block set in RAMER is
accessed while the emulation function is being executed, data written in the overlap RAM is read.
SCI
Flash memory
RAM
Overlap RAM
Emulation block
(emulation is performed
on data written in RAM)
Application program
Execution state
Figure 19.63 Reading Overlap RAM Data in User Mode and User Program Mode
Rev.6.00 Sep. 27, 2007 Page 854 of 1268
REJ09B0220-0600