R5F61668MZN50FPV Renesas Electronics America, R5F61668MZN50FPV Datasheet - Page 73
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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2.5.3
CCR is an 8-bit register that contains internal CPU status information, including an interrupt mask
(I) and user (UI, U) bits and half-carry (H), negative (N), zero (Z), overflow (V), and carry (C)
flags.
Operations can be performed on the CCR bits by the LDC, STC, ANDC, ORC, and XORC
instructions. The N, Z, V, and C flags are used as branch conditions for conditional branch (Bcc)
instructions.
Bit
7
6
5
4
3
Condition-Code Register (CCR)
Bit Name
I
UI
H
U
N
Initial
Value
1
Undefined R/W
Undefined R/W
Undefined R/W
Undefined R/W
R/W
R/W
Description
Interrupt Mask Bit
Masks interrupts when set to 1. This bit is set to 1 at
the start of an exception handling.
User Bit
Can be written to and read from by software using the
LDC, STC, ANDC, ORC, and XORC instructions.
Half-Carry Flag
When the ADD.B, ADDX.B, SUB.B, SUBX.B, CMP.B,
or NEG.B instruction is executed, this flag is set to 1 if
there is a carry or borrow at bit 3, and cleared to 0
otherwise. When the ADD.W, SUB.W, CMP.W, or
NEG.W instruction is executed, this flag is set to 1 if
there is a carry or borrow at bit 11, and cleared to 0
otherwise. When the ADD.L, SUB.L, CMP.L, or NEG.L
instruction is executed, this flag is set to 1 if there is a
carry or borrow at bit 27, and cleared to 0 otherwise.
User Bit
Can be written to and read from by software using the
LDC, STC, ANDC, ORC, and XORC instructions.
Negative Flag
Stores the value of the most significant bit (regarded as
sign bit) of data.
Rev. 1.00 Jan. 29, 2010 Page 41 of 1380
REJ09B0596-0100
Section 2 CPU
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