參數(shù)資料
型號: Z86E31
廠商: ZiLOG, Inc.
英文描述: Z8 2K OTP Microcontroller( Z8系列2k ROM一次可編程微控制器)
中文描述: Z8 2K檢察官辦公室的微控制器(Z8系列2k光盤一次可編程微控制器)
文件頁數(shù): 57/64頁
文件大?。?/td> 391K
代理商: Z86E31
Z86E30/E31/E40
Z8 4K OTP Microcontroller
Zilog
58
P R E L I M I N A R Y
DS97Z8X0502
Z8 CONTROL REGISTER DIAGRAMS
(Continued)
Figure 51. Port 2 Mode Register
F6H: Write Only
Figure 52. Port 3 Mode Register
F7H: Write Only
D7
D6
D5
D4
D3
D2
D1
D0
P20 - P27 I/O Definition
0 Defines Bit as Output
1 Defines Bit as Input*
R246 P2M
* Default After Reset
D7
D6
D5
D4
D3
D2
D1
D0
R247 P3M
0 Port 2 Open-Drain
1 Port 2 Push-pull Active
Reserved (Must be 0)
0 P32 = Input
P35 = Output
1 P32 = DAV0/RDY0
P35 = RDY0/DAV0
00 P33 = Input
P34 = Output
01 P33 = Input
10 P34 = DM
11 P33 = DAV1/RDY1
P34 = RDY1/DAV1
0 P31 = Input (TIN)
P36 = Output (TOUT)
1 P31 = DAV2/RDY2
P36 = RDY2/DAV2
0 P30 = Input
P37 = Output
0 P31, P32 Digital Mode
1 P31, P32 Analog Mode
Default After Reset = 00H
Z86E30/E31 Must Be 00
Figure 53. Port 0 and 1 Mode Register
F8H: Write Only
Z86E30/E31 Only
Figure 54. Interrupt Priority Register
F9H: Write Only
D7
D6
D5
D4
D3
D2
D1
D0
R248 P01M
P03 – P00 Mode
00
Output
01
Input
1X
A11–A8
Stack Selection
0
External
1
Internal
P17 – P10 Mode
00
Byte Output
01
Byte Input
10
AD7–AD0
11
High-Impedance AD7–AD0,
AS, DS, R/W, A11–A8,
A15–A12, If Selected
P07 – P04 Mode
00
Output
01
Input
1X
A15 - A12
External Memory Timing
0
Normal
1
Extended
Reset Condition = 0100 1101B
For ROMless Condition = 1011 0110B
Z86E30/E31 Must be 00
D7 D6
D5
D4
D3
D2
D1
D0
Interrupt Group Priority
000 Reserved
001 C > A > B
010 A > B > C
011 A > C > B
100 B > C > A
101 C > B > A
110 B > A > C
111 Reserved
IRQ1, IRQ4 Priority (Group C)
0 IRQ1 > IRQ4
1 IRQ4 > IRQ1
IRQ3, IRQ5 Priority (Group A)
0 IRQ5 > IRQ3
1 IRQ3 > IRQ5
IRQ0, IRQ2 Priority (Group B)
0 IRQ2 > IRQ0
1 IRQ0 > IRQ2
Reserved (Must be 0)
R249 IPR
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