EM6607 datasheet(31/47 Pages) EMMICRO

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EM6607

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15 Metal Mask Options

The following options can be selected at the time of programming the metal mask ROM.

Table 46. input/output Ports

Pull-Down

Yes / No

Strong / Weak

Pull-Up

Yes / No

Strong / Weak

Nch-open drain

Yes / No

Input blocked

when Output

Yes / No

Output Hi-Z in

SLEEP mode

Yes / No

1 (*1)

2 (*1)

(*2)

A0 PA0 input

A1 PA1 input

A2 PA2 input

A3 PA3 input

B0 PB0 In/Out

B1 PB1 In/Out

B2 PB2 In/Out

B3 PB3 In/Out

OEBsleepRes

Bit in Option2

Yes =1, No=0

C0 PC0 In/Out

C1 PC1 In/Out

C2 PC2 In/Out

C3 PC3 In/Out

OECsleepRes

Bit in Option2

Yes =1, No=0

D0 PD0 In/Out

D1 PD1 In/Out

D2 PD2 In/Out

D3 PD3 In/Out

OEDsleepRes

Bit in Option2

Yes =1, No=0

E0 PE0 In/Out

E1 PE1 In/Out

E2 PE2 In/Out

E3 PE3 In/Out

Put one letter (Y, N) in each BOX from proposed for the column.

For Pull-Up/Down if “Y” add also one letter (S,W) to define type of resistor. (see

138H

18.5 electrical parameters also)

*1 When used as N-channel Open drain output not-controlled Pull-Up (Y-SOD) can be used. Pull Up active during Output also

if Y-S is set in Pull-Up & Y for Nch-open drain an external resistor is needed to make output High !!!! because Pull Up is active

during input only ! This is applicable only for Ports B,C,D and E which can be outputs also.

*2 Port-wise for PortC and PortD (one possibility for the whole port); PortB bit-wise

Table 47. PortB Hi Current Drive capability

Driving to VSS (negative supply)

Possible options are

4n (weak), 10n, 18n (strong)

Driving to VDD (positive supply)

Possible options are

6p (weak), 14p, 24p (strong)

PB0 output

PB1 output

PB2 output

PB3 output

At higher VDD scaling of this buffer is needed not to overcome the Maximum VDD and VSS current for the IC.

Put in each box one of 3 possibilities mentioned in the title of column like 18n, 24p (strongest configuration). Numbers

above state for number of active N and P transistors in output buffer. See electrical parameters to know what to expect at

different option. Important Note: Maximum VDD and VSScurrent MUST be limited to 90 mA !! Only 2 PortB High current

terminals can switch at the same time in strongest configuration to limit the spikes generated by switching.

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