R5F61668MZN50FPV Renesas Electronics America, R5F61668MZN50FPV Datasheet - Page 75
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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2.5.5
VBR is a 32-bit register in which the upper 20 bits are valid. The lower 12 bits of this register are
read as 0s. This register is a base address of the vector area for exception handlings other than a
reset and a CPU address error (extended memory indirect is also out of the target). The initial
value is H'00000000. The VBR contents are changed with the LDC and STC instructions.
2.5.6
SBR is a 32-bit register in which the upper 24 bits are valid. The lower eight bits are read as 0s. In
8-bit absolute address addressing mode (@aa:8), this register is used as the upper address. The
initial value is H'FFFFFF00. The SBR contents are changed with the LDC and STC instructions.
2.5.7
MAC is a 64-bit register that stores the results of multiply-and-accumulate operations. It consists
of two 32-bit registers denoted MACH and MACL. The lower 10 bits of MACH are valid; the
upper bits are sign extended. The MAC contents are changed with the MAC, CLRMAC, LDMAC,
and STMAC instructions.
2.5.8
Reset exception handling loads the start address from the vector table into the PC, clears the T bit
in EXR to 0, and sets the I bits in CCR and EXR to 1. The general registers, MAC, and the other
bits in CCR are not initialized. In particular, the initial value of the stack pointer (ER7) is
undefined. The SP should therefore be initialized using an MOV.L instruction executed
immediately after a reset.
Vector Base Register (VBR)
Short Address Base Register (SBR)
Multiply-Accumulate Register (MAC)
Initial Values of CPU Registers
Rev. 1.00 Jan. 29, 2010 Page 43 of 1380
REJ09B0596-0100
Section 2 CPU
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