z86e54 ZiLOG Semiconductor, z86e54 Datasheet - Page 49

• Manufacturer Part Number: z86e54
• Description: Z8 512 Byte Otp Mcu
• Manufacturer: ZiLOG Semiconductor

PS020102-1003
Bit
Position
7-6
5
Table 23. Port 0 and 1 Mode Register, R248 P01 F8h Bank 0h: WRITE ONLY
Table 24. Interrupt Priority Register, R249 IPR F9h Bank 0h: WRITE ONLY
Bit
R/W
Reset
Note: W = Write, X = Indeterminate
Bit
R/W
Reset
Note: W = Write, X = Indeterminate
Bit
Position
7-1
0
Bit
Position
7-5,3
4
2
1-0
Reserved
IRQ3, IRQ5
Bit Field
W
W
X
X
7
7
Reserved
Port 2
Reserved
Reserved
Reserved
P02-P00
Bit Field
Bit Field
W
W
X
X
6
6
W
R/W
W
W
W
X
X
5
5
R/W
R/W
W
W
W
W
W
W
X
Reset
Value
W
W
X
X
4
4
X
Reset
Reset
Value
Value
01
X
X
X
0
0
W
W
X
X
3
3
Description
Reserved-must be 0
IRQ3, IRQ5 Priority (Group A)
0: IRQ5 > IRQ3
1: IRQ3 > IRQ5
Description
Reserved-must be 0
Port 2 Outputs
0: Open-Drain
1: Push-Pull
Description
Reserved-must be 0
Reserved-must be 0
Reserved-must be 1
P02-P00 Mode
00: Output
01: Input
W
W
X
X
2
2
W
W
X
X
1
1
Z8
®
512 Byte OTP MCU
W
W
X
X
0
0
Z86E54
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