Z86C9620VSC datasheet(35/46 Pages) ZILOG

35 / 46 page

Z86C61/62/96

Z8® MICROCONTROLLER

P20 - P27 I/O Definition

Defines Bit as Output

Defines Bit as Input

R246 P2M

Figure 36. Port 2 Mode Register

(F6

H: Write Only)

R247 P3M

0 Port 2 Open Drain

1 Port 2 Push-pull

0 Parity Off

1 Parity On

0 P32 = Input

P35 = Output

1 P32 = /DAV0/RDY0

P35 = RDY0//DAV0

0 P31 = Input (TIN)

P36 = Output (TOUT)

1 P31 = /DAV2/RDY2

P36 = RDY2//DAV2

P30 = Input

P37 = Output

P30 = Serial In

P37 = Serial Out

Reserved (Must be 0)

P33 = Input

P34 = Output

P33 = Input

P34 = /DM

P33 = /DAV1/RDY1

P34 = RDY1//DAV1

R248 P01M

P00 - P00 Mode

Output

Input

A11 - A8

Stack Selection

External

Internal

P17 - P10 Mode

Byte Output

Byte Input

AD7 - AD0

High-Impedance AD7 - DA0,

/AS, /DS, /R//W, A11 - A8,

A15 - A12, If Selected

P07 - P04 Mode

Output

Input

A 15 - A12

Reserved (Must be 0)

Figure 38. Port 0 and 1 Mode Register

(F8

H: Write Only)

Interrupt Group Priority

Reserved = 000

C > A > B = 001

A > B > C = 010

A > C > B = 011

B > C > A = 100

C > B > A = 101

B > A > C = 110

Reserved = 111

IRQ3, IRQ5 Priority (Group A)

IRQ5 > IRQ3

IRQ3 > IRQ5

IRQ0, IRQ2 Priority (Group B)

IRQ2 > IRQ0

IRQ0 > IRQ2

IRQ1, IRQ4 Priority (Group C)

IRQ1 > IRQ4

IRQ4 > IRQ1

Reserved (Must be 0)

R249 IPR

Figure 39. Interrupt Priority Register

(F9

H: Write Only)

Figure 37. Port 3 Mode Register

(F7

H: Write Only)

Z86C9620VSC Datasheet(PDF) 35 Page - Zilog, Inc.

Z86C9620VSC Datasheet(HTML) 35 Page - Zilog, Inc.

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