R5F61668MZN50FPV Renesas Electronics America, R5F61668MZN50FPV Datasheet - Page 357
R5F61668MZN50FPV
Manufacturer Part Number
R5F61668MZN50FPV
Description
MCU FLASH 1024K ROM 144-LQFP
Manufacturer
Renesas Electronics America
Series
H8® H8SX/1600r
Datasheet
1.R5F61668MZN50FPV.pdf
(1416 pages)
Specifications of R5F61668MZN50FPV
Core Processor
H8SX
Core Size
16/32-Bit
Speed
50MHz
Connectivity
EBI/EMI, I²C, IrDA, SCI, SmartCard, USB
Peripherals
DMA, LVD, POR, PWM, WDT
Number Of I /o
92
Program Memory Size
1MB (1M x 8)
Program Memory Type
FLASH
Ram Size
56K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 8x10b; D/A 2x8b
Oscillator Type
External
Operating Temperature
-20°C ~ 75°C
Package / Case
144-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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Section 9 Bus Controller (BSC)
(3)
Refresh and All-Module Clock Stop Mode
This LSI is entered in all-module clock stop mode by the following operation: Stop the clocks of
all on-chip peripheral modules by setting the ACSE bit in MSTPCRA to 1 (MSTPCRA,
MSTPCRB = H'FFFFFFFF) or run only the 8-bit timer (MSTPCRA, MSTPCRB = H'F[C to
F]FFFFFF), then execute the SLEEP instruction to enter the sleep mode.
In all-module clock stop mode, clocks for the bus controller and I/O ports are stopped. Since the
clock for the bus controller is stopped, an auto-refresh cycle cannot be performed. When external
SDRAM is used and the contents of the SDRAM in sleep mode should be held, clear the ACSE bit
in MSTPCE to 0.
For details, see section 28.2.2, Module Stop Control Registers A and B (MSTPCRA and
MSTPCRB).
9.11.14 Setting SDRAM Mode Register
To use SDRAM, the mode register must be specified after a power-on reset.
Setting the MRSE bit in SDCR to 1 enables the SDRAM mode register setting. After this, write to
the SDRAM space in bytes.
When the value to be set in the SDRAM mode register is x, write to the following memory
location (address). The value of x is written to the SDRAM mode register.
• H'4000000/H'400000 + x for 8-bit bus SDRAM
• H'4000000/H'400000 + 2x for 16-bit bus SDRAM
The SDRAM mode register latches the address signals when the MRS command is issued.
This LSI does not support the burst read/burst write mode of SDRAM. When setting the SDRAM
mode register, use the burst read/single write mode and set the burst length to 1. Setting in the
SDRAM mode register must be consistent with that in the bus controller.
Rev. 1.00 Jan. 29, 2010 Page 325 of 1380
REJ09B0596-0100
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