HD64F7144F50V Renesas Electronics America, HD64F7144F50V Datasheet - Page 737
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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This LSI has an on-chip high-speed static RAM. The on-chip RAM is connected to the CPU,
direct memory access controller (DMAC), data transfer controller (DTC), and advanced user
debugger (AUD)* by a 32-bit data bus, enabling 8, 16, or 32-bit width access to data in the on-
chip RAM. Data in the on-chip RAM can always be accessed in one cycle, providing high-speed
access that makes this RAM ideal for use as a program area, stack area, or data area. The on-chip
RAM is allocated to address H'FFFFE000 to H'FFFFFFFF. The contents of the on-chip RAM are
retained in sleep mode and standby mode, and by a power-on reset and a manual reset.
The on-chip RAM can be enabled or disabled by means of the RAME bit in the system control
register (SYSCR). For details on the system control register (SYSCR), refer to section 24.2.2,
System Control Register (SYSCR).
Note: * Flash version only.
21.1
• Module Standby Mode Setting
RAM0200A_010020030800
RAM can be enabled/disabled by the module standby control register (MSTCR1). The initial
value enables RAM operation. RAM access is disabled by setting the module standby mode.
For details, see section 24, Power-Down Modes.
Usage Note
Section 21 RAM
Rev.4.00 Mar. 27, 2008 Page 691 of 882
REJ09B0108-0400
21. RAM
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