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Chapter 15 reset function – NEC PD78214 User Manual

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Chapter 15 Reset Function

15

Table 15-2 Hardware States after Reset (1/2)

State after reset

Hardware

Program counter (PC)

Stack pointer (SP)

Program status word (PSW)

Data memory

General registers (X, A, C, B, E, D, L, H)

Ports

Port 0, 2, 3, 4, 5, and 7

Port 6

Port mode registers

PM0, PM3, PM5

PM6

Port 3 mode control register (PMC3)

Pull-up-resistor-option register (PUO)

Memory expansion mode register (MM)

Timer (TM0)

Compare registers (CR00, CR01)

Capture register (CR02)

Timer (TM1, TM2, TM3)

Compare registers

(CR10, CR20, CR21, CR30)

Capture register (CR22)

Capture/compare register (CR11)

Timer control registers (TMC0, TMC1)

Timer output control register (TOC)

CRC0

CRC1, CRC2

Prescaler mode registers (PRM0, PRM1)

A/D converter

Mode register (ADM)

A/D conversion result register (ADCR)

Undefined

Undefined

Built-in

RAM

Timer/

counter

unit

16-bit timer/

counters

8-bit timer/

counters

Capture/compare control

registers

The contents of the reset vector table

(0000H and 0001H) are set.

Undefined

02H

Undefined (high-impedance)

×0H

FFH

F

×H

00H

00H

20H

0000H

00H

00H

10H

00H

00H

00H

Undefined

Undefined

Note

Note When STOP mode is released by a RESET signal, the values stored immediately before setting STOP mode are maintained.

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