HD64F3028F25 Datasheet, PDF(9/925 Page) Renesas Technology Corp – Hardware Manual Renesas 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Series

English

English German Russian Spanish Italian Polish Chinese Japanese Korean French Portuguese	Language :

HD64F3028F25 Datasheet, PDF (9/925 Pages) Renesas Technology Corp – Hardware Manual Renesas 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Series

◁

Main Revisions and Additions in this Edition

Item

1.2 Block Diagram

Figure 1.1 Block

Diagram

1.3.2 Pin Functions

Table 1.2 Pin

Functions

Page

6

Revision (See Manual for Details)

Figure amended

MD 2

MD 1

MD 0

EXTAL

XTAL

STBY

RES

RESO/FWE*

NMI

Ï/P67

LWR/P66

HWR/P65

RD/P64

AS/P63

BACK/P62

BREQ/P61

WAIT/P60

Interrupt controller

ROM

(mask ROM or

flash memory)

9

Table amended

System RES 63

control

Input

Reset input: When driven low,

this pin resets the chip

RESO 10

Output

Reset output (mask ROM

version): Outputs the reset signal

generated by the watchdog timer

to an external device

FWE 10

Input

Write enable signal (F-ZTAT

version): Flash memory write

control signal

7.4.8 DMAC Bus

Cycle

Figure 7.13 DMA

Transfer Bus Timing

(Example)

229

Figure amended

CPU cycle

DMAC cycle (1 word transfer)

CPU cycle

Ï

Address

bus

RD

T1 T2 T1 T2 Td T1 T2 T1 T2 T3 T1 T2 T3 T1 T2 T1 T2

Source

address

Destination address

HWR

LWR

Rev. 2.00, 09/03, page vii of xxx

▷