Mode Control Register (Mdcr); System Control Register 3 (Syscr3) - Renesas F-ZTAT H8 Series Hardware Manual

8-bit single-chip microcomputer

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Table of Contents

Flash Memory Erase Blocks

Block (Size)

EB0 (1 kbyte)

EB1 (1 kbyte)

EB2 (1 kbyte)

EB3 (1 kbyte)

EB4 (28 kbytes)

EB5 (16 kbytes)

EB6 (12 kbytes)

Mode Control Register (MDCR)

Initial value

Determined by the TEST2 and TEST pins.

MDCR is an 8-bit read-only register used to monitor the current operating mode of the H8/3857F.

Bits 7 to 2—Reserved Bits: Bits 7 to 2 are reserved; they are always read as 0 and cannot be

Bits 1 and 0—Test Pin Monitor 2 and 1 (TSDS2, TSDS1): Bits 1 and 0 show values that reflect

the input levels at the test pins (TEST2 and TEST) (i.e. they indicate the current operating mode).

Bits TSDS2 and TSDS1 correspond to pins TEST2 and TEST, respectively. These bits are read-

only, and cannot be modified.

Initial value

SYSCR3 is an 8-bit read/write register that controls the on-chip flash memory.

H'0000 to H'03FF

H'0400 to H'07FF

H'0800 to H'0BFF

H'0C00 to H'0FFF

H'1000 to H'7FFF

H'8000 to H'BFFF

H'C000 to H'EDFF

Rev.3.00 Jul. 19, 2007 page 131 of 532

REJ09B0397-0300