7480 datasheet(173/337 Pages) RENESAS

173 / 337 page

7480 Group and 7481 Group User's Manual

1-156

HARDWARE

1.17.2 Internal State at Reset

Figure 1.17.2 shows the internal state at reset.

Figure 1.17.2 Internal State at Reset

1.17 Reset

00C116

0016

(1)

Port P0 direction register (P0D)

00C316

(2)

Port P1 direction register (P1D)

00C916

(3)

Port P4 direction register (P4D)

00CB16

(4)

Port P5 direction register (P5D)

00D016

(5)

Port P0 pull-up control register (P0PCON)

00D116

(6)

Port P1 pull-up control register (P1PCON)

00D216

(7)

Port P4P5 input control register (P4P5CON)

00D416

(8)

Edge polarity selection register (EG)

00D916

(9)

A-D control register (ADCON)

00DE16 0

(10) STP instruction operation control register (STPCON)

00E116 1

(11) Serial I/O status register (SIOSTS)

00E216

(12) Serial I/O control register (SIOCON)

00E316

(13) UART control register (UARTCON)

00E516

(14) Bus collision detection control register (BUSARBCON)

00EF16

(15) Watchdog timer H (WDTH)

00F016

(16) Timer X low-order (TXL)

00F116

(17) Timer X high-order (TXH)

00F216

(18) Timer Y low-order (TYL)

00F316

(19) Timer Y high-order (TYH)

00F416

(20) Timer 1 (T1)

00F616

(21) Timer X mode register (TXM)

00F716

(22) Timer Y mode register (TYM)

00F816 0

(23) Timer XY control register (TXYCON)

00F916

(24) Timer 1 mode register (T1M)

00FA16

(25) Timer 2 mode register (T2M)

00FB16

(26) CPU mode register (CPUM)

00FC16

(27) Interrupt request register 1 (IREQ1)

00FD16

(28) Interrupt request register 2 (IREQ2)

00FE16

(29) Interrupt control register 1 (ICON1)

00FF16

(30) Interrupt control register 2 (ICON2)

(31) Program counter (PCH)

(PCL)

(32) Processor status register (PS)

0016

00 0 0

00 0

00 0 0 0

0016

00 0 0

0016

FF16

0016

00 0

0016

: Read back as undefined at reset.

00 0

00 0 0

Note: Since the contents of the registers and RAM not mentioned above are undefined at reset,

initialize them by software.

There are bits not implemented for some products.

For these bits, refer to each register.

Address Contents of register

Contents of FFFF16

Contents of FFFE16

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