R5F21143DSP View Datasheet(PDF) - Renesas Electronics

Part Name

Description

View to exact match

R5F21143DSP

R8C/14 Group, R8C/15 Group SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER

Renesas Electronics 

R8C/14 Group, R8C/15 Group

5. Reset

Table 5.2 shows the Pin Status after Reset, Figure 5.2 shows CPU Register Status after Reset and

Figure 5.3 shows Reset Sequence.

Table 5.2 Pin Status after Reset

Pin Name

P1

P3_3 to P3_5, P3_7

P4_5 to P4_7

Input Port

Input Port

Input Port

Pin Status

b15

b0

0000h

0000h

0000h

0000h

0000h

0000h

0000h

b19

b0

00000h

Content of addresses 0FFFEh to 0FFFCh

Data Register(R0)

Data Register(R1)

Data Register(R2)

Data Register(R3)

Address Register(A0)

Address Register(A1)

Frame Base Register(FB)

Interrupt Table register(INTB)

Program Counter(PC)

b15

b0

0000h

User Stack Pointer(USP)

0000h

Interrupt Stack Pointer(ISP)

0000h

Static Base Register(SB)

b15

b0

0000h

Flag Register(FLG)

b15

b8 b7

b0

IPL

U I OB SZ DC

Figure 5.2 CPU Register Status after Reset

fRING-S

Internal Reset

Signal

20 cycles or above are needed(1)

Flash memory activated time

(CPU Clock × 72 Cycles)

CPU Clock × 28 Cycles

CPU Clock

Address

(Internal Address

Signal)

Figure 5.3

NOTES:

1. This shows hardware reset

Reset Sequence

0FFFCh

0FFFDh

0FFFEh

Content of Reset Vector

Rev.2.10 Jan 19, 2006 Page 20 of 253

REJ09B0164-0210

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