HD64F3048VTF8 Renesas Electronics America, HD64F3048VTF8 Datasheet - Page 57
HD64F3048VTF8
Manufacturer Part Number
HD64F3048VTF8
Description
IC H8 MCU FLASH 128K 100-QFP
Manufacturer
Renesas Electronics America
Series
H8® H8/300Hr
Datasheet
1.HD64F3048F16.pdf
(907 pages)
Specifications of HD64F3048VTF8
Core Processor
H8/300H
Core Size
16-Bit
Speed
8MHz
Connectivity
SCI, SmartCard
Peripherals
DMA, PWM, WDT
Number Of I /o
70
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 8x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
100-TQFP, 100-VQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Other names
HD64F3048VX8
- Current page: 57 of 907
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General register ER7 has the function of stack pointer (SP) in addition to its general-register
function, and is used implicitly in exception handling and subroutine calls. Figure 2.5 shows the
stack.
2.4.3
The control registers are the 24-bit program counter (PC) and the 8-bit condition code register
(CCR).
Program Counter (PC): This 24-bit counter indicates the address of the next instruction the CPU
will execute. The length of all CPU instructions is 2 bytes (one word) or a multiple of 2 bytes, so
the least significant PC bit is ignored. When an instruction is fetched, the least significant PC bit is
regarded as 0.
Condition Code Register (CCR): This 8-bit register contains internal CPU status information,
including the interrupt mask bit (I) and half-carry (H), negative (N), zero (Z), overflow (V), and
carry (C) flags.
Bit 7—Interrupt Mask Bit (I): Masks interrupts other than NMI when set to 1. NMI is
accepted regardless of the I bit setting. The I bit is set to 1 at the start of an exception-handling
sequence.
Bit 6—User Bit or Interrupt Mask Bit (UI): Can be written and read by software using the
LDC, STC, ANDC, ORC, and XORC instructions. This bit can also be used as an interrupt
mask bit. For details see section 5, Interrupt Controller.
Bit 5—Half-Carry Flag (H): 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, the H flag is set to 1 if there is a carry or borrow at bit 11, and cleared to 0 otherwise.
Control Registers
SP (ER7)
Figure 2.5 Stack
Rev. 7.00 Sep 21, 2005 page 31 of 878
Free area
Stack area
REJ09B0259-0700
Section 2 CPU
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