HD64F7144F50V Renesas Electronics America, HD64F7144F50V Datasheet - Page 716
HD64F7144F50V
Manufacturer Part Number
HD64F7144F50V
Description
IC SUPERH MCU FLASH 256K 112QFP
Manufacturer
Renesas Electronics America
Series
SuperH® SH7144r
Specifications of HD64F7144F50V
Core Processor
SH-2
Core Size
32-Bit
Speed
50MHz
Connectivity
EBI/EMI, I²C, SCI
Peripherals
DMA, POR, PWM, WDT
Number Of I /o
74
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
112-QFP
For Use With
HS0005KCU11H - EMULATOR E10A-USB H8S(X),SH2(A)EDK7145 - DEV EVALUATION KIT SH7145
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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19. Flash Memory (F-ZTAT Version)
19.6
There are two modes for programming/erasing of the flash memory; boot mode, which enables on-
board programming/erasing, and PROM programmer mode, in which programming/erasing is
performed with a PROM programmer. On-board programming/erasing can also be performed in
user program mode. At reset-start in reset mode, this LSI changes to a mode depending on the MD
pin settings and FWP pin setting, as shown in table 19.3.
When changing to boot mode, the boot program built into this LSI is initiated. The boot program
transfers the programming control program from the externally-connected host to on-chip RAM
via SCI1. After erasing the entire flash memory, the programming control program is executed.
This can be used for programming initial values in the on-board state or for a forcible return when
programming/erasing can no longer be done in user program mode. In user program mode,
individual blocks can be erased and programmed by branching to the user program/erase control
program prepared by the user.
Table 19.3 Setting On-Board Programming Modes
Rev.4.00 Mar. 27, 2008 Page 670 of 882
REJ09B0108-0400
MD1
0
1
On-Board Programming Modes
MD0
0
1
0
1
FWP
0
LSI State after Reset End
Boot mode
User program mode
Expanded mode
Single-chip mode
Expanded mode
Single-chip mode
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