M32CSLASH8B datasheet(300/406 Pages) RENESAS

300 / 406 page

Under development

M32C/8B Group

22. Programmable I/O Ports

Preliminary specification

Specifications in this manual are tentative and subject to change.

REJ09B0450-0050 Rev.0.50 Oct 31, 2008

Page 283 of 385

Figure 22.3

Programmable I/O Ports (3/4)

(note 4)

(A)

Hysteresis

(B)

Peripheral

fucntion input

PDi register

Pull-up select

Programmable I/O ports with the function select register

Registers PS0 to PS3(1, 2)

Port latch

: Available

−: Not available

NOTES:

1. For P5_3, use the PM07 bit in the PM0 register, bits PM15 and PM14 in the PM1 register, and bits

CM01 and CM00 in the CM0 register to select CLKOUT or ALE output.

2. For P5_4 and P5_6, use bits PM15 and PM14 to select ALE output.

3. P7_0 and P7_1 are N-channel open drain output ports.

4. These ports are provided in the 144-pin package only.

Data bus

Peripheral function output

Peripheral

function input

Peripheral

function input

Analog signal

(C)

Peripheral

fucntion input

(D)

Analog I/F

(E)

Circuit

−

Option

Port

P5_3(1)

P5_4, P5_6(2)

P6_0 to P6_7

P7_0, P7_1(3)

P7_6, P7_7

P8_2

P9_0 to P9_2

P9_3 to P9_6

P9_7

P10_0 to P10_3

P10_4 to P10_7

P11_0 to P11_3

P11_4, P12_0

P12_1 to P12_3

P12_4 to P12_7

P13_0 to P13_4

P13_5, P13_6

P13_7

P14_0 to P14_3

P14_4 to P14_6

P15_0

P15_1 to P15_3

P15_4

P15_5 to P15_7

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