DF2345TE20 Renesas Electronics America, DF2345TE20 Datasheet - Page 638

• Manufacturer Part Number: DF2345TE20
• Description: MCU 5V 128K 100-TQFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2300r

Specifications of DF2345TE20

• Core Processor: H8S/2000
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: SCI, SmartCard
• Peripherals: POR, PWM, WDT
• Number Of I /o: 71
• Program Memory Size: 128KB (128K x 8)
• Program Memory Type: FLASH
• Ram Size: 4K x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Data Converters: A/D 8x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 100-TQFP, 100-VQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Other names: HD64F2345TE20; HD64F2345TE20

Section 17 ROM
Rev. 4.00 Feb 15, 2006 page 612 of 900
REJ09B0291-0400
V
FWE
MD
RES
SWE bit
Notes: 1. In transition to the boot mode and transition from the boot mode to another mode, mode switching via RES
CC
2
to MD
Flash memory access disabled period
(x: Wait time after SWE setting)
Flash memory reprogammable period
(Flash memory program execution and data read, other than verify, are disabled.)
2. When making a transition from the boot mode to another mode, the mode programming setup time
3. See section 20.1.6, Flash Memory Characteristics.
0
input is necessary.
During this switching period (period during which a low level is input to the RES pin), the state of the address
dual port and bus control output signals (AS, RD, HUR, LWR) changes.
Therefore, do not use these pins as output signals during this switching period.
t
MDS
(
min) = 200 ns relative to the RES clear timing is necessary.
Mode switching *
(Example: Boot Mode
t
OSC1
SWE set
t
Wait time: x
MDS
t
MDS
1
Figure 17.38 Mode Transition Timing
*
Boot mode
3
Programming and
erase possible
SWE clear
Mode
switching *
t
RESW
Min 0 s
t
User Mode
MDS
*
2
Wait time: x
1
User
mode
Programming
possible
erase
User program mode
and
User Program Mode
Wait
time: x
Programming and
erase possible
User
mode
Wait
time: x
User
program
mode
Programming
possible
erase
and