M30622ECTFP datasheet(16/184 Pages) MITSUBISHI

16 / 184 page

Mitsubishi microcomputers

M16C / 62T Group

SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER

Reset

____________

Table 1.6.1 shows the statuses of the other pins while the RESET pin level is “L”. Figures 1.6.3 and 1.6.4

show the internal status of the microcomputer immediately after the reset is cancelled.

____________

Table 1.6.1. Pin status when RESET pin level is “L”

Status

CNVSS = VCC

CNVSS = VSS

BYTE = VSS (Note 1)

BYTE = VCC

name

P2, P3, P40 to P43

P44

P45 to P47

P50

P51

P52

P53

P54

P55

P56

P57

P6, P7, P80 to P84,

P86, P87, P9, P10

Input port (floating)

(pull-up resistor is on)

Input port (floating)

Data input (floating)

Address output (undefined)

BCLK output

ALE output (“L” level is output)

CS0 output (“H” level is output)

WR output (“H” level is output)

RD output (“H” level is output)

RDY input (floating)

Input port (floating)

BCLK output

BHE output (undefined)

HLDA output (The output value

depends on the input to the

HOLD pin)

HOLD input (floating)

Data input (floating)

Address output (undefined)

CS0 output (“H” level is output)

Input port (floating)

(pull-up resistor is on)

Input port (floating)

RDY input (floating)

ALE output (“L” level is output)

HOLD input (floating)

HLDA output (The output value

depends on the input to the

HOLD pin)

RD output (“H” level is output)

BHE output (undefined)

WR output (“H” level is output)

Input port (floating)

(pull-up resistor is on)

Note 1: In M30623(80-pin package), the BYTE signal has no external pin, and is internally connected to the CNVSS signal.

Accordingly, in the microprocessor mode, BYTE = CNVSS = VCC.

Note 2: In M30623(80-pin package), Port P1, P44 to P47, P72 to P75 and P91 have no external pin, and are internally the

above conditions. After reset, set these ports to one of the following conditions.

• Be output mode, and output “L” level.

• Pull-up resister is on.

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