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REJ05B0601-0102/Rev.1.02 April 2005 Page 1 of 13

PPLICATION NOTE

M16C/80, M32C/84 Group

Differences between M16C/80 and M32C/84

1. Abstract

The following document describes differences between M16C/80 and M32C/84.

2. Introduction

The explanation of this issue is applied to the following condition:

Applicable MCU: M16C/80, M32C/84 Group

3. Contents

3.1 Function Differences

Table 3.1.1 and Table 3.1.3 show the Function Differences.

Table 3.1.1 Function Differences (1) (Note1)

Note 1: About the details and the characteristics, refer to hardware manual.

Item M16C/80 M32C/84

Basic Instructions 106 instructions 108 instructions (Add SHANC, SHLNC instructions)

Shortest Instruction

Execution Time

50ns(f(XIN)=20MHz) 31.3ns(f(BCLK)=32MHz)

I/O power supply Single (VCC) Double (VCC1, VCC2)

Supply Voltage 4.2V to 5.5V(f(XIN)=20MHz)

2.7V to 5.5V(f(XIN)=10MHz)

VCC1=4.2V to 5.5V, VCC2=3.0V to VCC1

(f(BCLK)=32MHz)

VCC1=3.0V to 5.5V, VCC2=3.0V to VCC1

(f(BCLK)=24MHz)

Clock Generating Circuit XIN, XCIN XIN, XCIN, PLL, On-chip oscillator

Main clock drive capability

select function

Have None

System Clock Protect

Function

None Have

Peripheral Function clock f1, f8, f32, fC32 f1, f8, f2n, fC32 (n=0 ot 15. No division when n=0)

Oscillation Stop Detect

Function

None Have

Voltage Detection Circuit None Have

Power Consumption 45mA(5V, f(XIN)=20MHz)

14mA(3V, f(XIN)=10MHz)

1.5µA (3V, f(XCIN)=32kHz, drive capacity Low)

28mA (VCC1= VCC2=5V, f(BCLK)=32MHz)

22mA (VCC1= VCC2=3.3V, f(BCLK)=24MHz)

10µA (VCC1= VCC2=3.3V, f(XCIN)=32kHz, in wait

mode)

Access to SFR 1 wait fixed Variable (1 to 2 waits)

Bus wait No wait to 3 waits (Select WCR register) 1 wait to 8 waits (Select EWCR0 to EWCR3 register)

Recovery Cycle Not available Available

Protect Can be set for PM0, PM1, CM0, CM1, MCD,

PD9, PS3 register

Can be set for PM0, PM1, CM0, CM1, MCD, PD9,

PS3, CM2

, PLC0, PLC1, PM2, INVC0, INVC1,

VCR2

, D4INT register

Address Match Interrupt Set in four addresses Set in eight addresses

1 2 3 4 5 6 ... 12 13

Indice de contenidos

Pagina 1 - M16C/80, M32C/84 Group

REJ05B0601-0102/Rev.1.02 April 2005 Page 1 of 13 APPLICATION NOTEM16C/80, M32C/84 Group Differences between M16C/80 and M32C/84 1. Abstract The f

Pagina 2

REJ05B0601-0102/Rev.1.02 April 2005 Page 10 of 13 M16C/80, M32C/84 GroupDifferences between M16C/80 and M32C/843.6 Support Tool Differences Table 3

Pagina 3

REJ05B0601-0102/Rev.1.02 April 2005 Page 11 of 13 M16C/80, M32C/84 GroupDifferences between M16C/80 and M32C/844. Reference Renesas Technology Cor

Pagina 4

REJ05B0601-0102/Rev.1.02 April 2005 Page 12 of 13 M16C/80, M32C/84 GroupDifferences between M16C/80 and M32C/84REVISION HISTORY Description Rev. Da

Pagina 5

REJ05B0601-0102/Rev.1.02 April 2005 Page 13 of 13 M16C/80, M32C/84 GroupDifferences between M16C/80 and M32C/84Keep safety first in your circuit de

Pagina 6 - 3.3 SFR Differences

REJ05B0601-0102/Rev.1.02 April 2005 Page 2 of 13 M16C/80, M32C/84 GroupDifferences between M16C/80 and M32C/84Table 3.1.2 Function Differences (2)

Pagina 7

REJ05B0601-0102/Rev.1.02 April 2005 Page 3 of 13 M16C/80, M32C/84 GroupDifferences between M16C/80 and M32C/84Table 3.1.3 Function Differences (3)

Pagina 8

REJ05B0601-0102/Rev.1.02 April 2005 Page 4 of 13 M16C/80, M32C/84 GroupDifferences between M16C/80 and M32C/843.2 Pin function Differences Table 3

Pagina 9

REJ05B0601-0102/Rev.1.02 April 2005 Page 5 of 13 M16C/80, M32C/84 GroupDifferences between M16C/80 and M32C/84Table 3.2.2 Pin Function Differences

Pagina 10 - 3.6 Support Tool Differences

REJ05B0601-0102/Rev.1.02 April 2005 Page 6 of 13 M16C/80, M32C/84 GroupDifferences between M16C/80 and M32C/843.3 SFR Differences Table 3.3.1 and T

Pagina 11

REJ05B0601-0102/Rev.1.02 April 2005 Page 7 of 13 M16C/80, M32C/84 GroupDifferences between M16C/80 and M32C/84Table 3.3.2 SFR Differences (2/3) M16

Pagina 12 - REVISION HISTORY

REJ05B0601-0102/Rev.1.02 April 2005 Page 8 of 13 M16C/80, M32C/84 GroupDifferences between M16C/80 and M32C/84Table 3.3.3 SFR Differences (3/3) M16

Pagina 13

REJ05B0601-0102/Rev.1.02 April 2005 Page 9 of 13 M16C/80, M32C/84 GroupDifferences between M16C/80 and M32C/843.4 Interrupt Vector Differences Tab

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