參數(shù)資料
型號(hào): Z86E0412PSC1860
廠商: ZILOG INC
元件分類: 微控制器/微處理器
英文描述: CMOS Z8 OTP Microcontrollers
中文描述: 8-BIT, OTPROM, 12 MHz, MICROCONTROLLER, PDIP18
封裝: PLASTIC, DIP-18
文件頁(yè)數(shù): 42/44頁(yè)
文件大小: 251K
代理商: Z86E0412PSC1860
Z86E04/E08
CMOS Z8 OTP Microcontrollers
Zilog
42
P R E L I M I N A R Y
DS97Z8X0401
Z8 CONTROL REGISTERS
(Continued)
Figure 31. Port 0 and 1 Mode Register
(F8
H
: Write Only)
Figure 32. Interrupt Priority Register
(F9
H
: Write Only)
Figure 33. Interrupt Request Register
(FA
H
: Read/Write)
D7
D6
D5
D4
D3
D2
D1
D0
P0
-P0
Mode
00 = Output
01 = Input
Reserved (Must be 1.)
Reserved (Must be 0.)
R248 P01M
D7
D6
D5
D4
D3
D2
D1
D0
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)
0 = IRQ5 > IRQ3
1 = IRQ3 > IRQ5
IRQ0, IRQ2 Priority (Group B)
0 = IRQ2 > IRQ0
1 = IRQ0 > IRQ2
IRQ1, IRQ4 Priority (Group C)
0 = IRQ1 > IRQ4
1 = IRQ4 > IRQ1
Reserved (Must be 0.)
R249 IPR
D7 D6
D5
D4
D3 D2
D1
D0
R250 IRQ
Reserved (Must be 0)
IRQ0 = P32 Input
IRQ1 = P33 Input
IRQ2 = P31 Input
IRQ3 = P32 Input
IRQ4 = T0
IRQ5 = T1
Figure 34. Interrupt Mask Register
(FB
H
: Read/Write)
Figure 35. Flag Register
(FC
H
: Read/Write)
Figure 36. Register Pointer
(FD
H
: Read/Write)
Figure 37. Stack Pointer
(FF
H
: Read/Write)
D7
D6
D5
D4 D3
D2
D1
D0
Reserved (Must be 0.)
1 Enables IRQ0-IRQ5
(0
1 Enables Interrupts
R251 IMR
D7
D6
D5
D4
D3
D2
D1
D0
User Flag F1
User Flag F2
Half Carry Flag
Decimal Adjust Flag
Overflow Flag
Sign Flag
Zero Flag
Carry Flag
R252 Flags
D7
D6
D5
D4
D3
D2
D1
D0
R253 RP
Expanded Register File
Working Register Pointer
Default After Reset = 00H
D7
D6
D5
D4
D3
D2
D1
D0
Stack Pointer Lower
Byte (SP7
0
R255 SPL
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