參數(shù)資料
型號(hào): Z86C44
廠商: ZiLOG, Inc.
英文描述: CMOS Z8 MCU(CMOS Z8系列微控制器)
中文描述: 單片機(jī)的CMOS Z8的CMOS(Z8系列微控制器)
文件頁(yè)數(shù): 63/70頁(yè)
文件大?。?/td> 1192K
代理商: Z86C44
Z86C34/C35/C36/C44/C45/C46
CMOS Z8 MCUs with ASCI UART
ZiLOG
DS007601-Z8X0499
P R E L I M I N A R Y
63
Figure 50. Interrupt Request Register
(FA
H
: READ/WRITE)
Figure 51. Interrupt Mask Register
(FB
H
: READ/WRITE)
Figure 52. Flag Register
(FC
H
: READ/WRITE)
D7
D6
D5
D4
D3
D2
D1
D0
R250 IRQ
Inter Edge
P31
P32
= 00
P31
P32
= 01
P31
P32
= 10
P31
↑↓
P32
↑↓
= 11
IRQ0 = P32 Input
IRQ1 = P33 Input
IRQ2 = P31 Input
IRQ3 = P30 Input
IRQ4 = T0
IRQ5 = T1
D7
D6
D5
D4
D3
D2
D1
D0
1 Enables RAM Protect *
1 Enables IRQ0-IRQ5
(D0 = IRQ0)
1 Enables Interrupts
R251 IMR
* This option must be selected when ROM code is
submitted for ROM Masking, otherwise this control bit
is disabled permanently.
D7
D6
D5
D4
D3
D2
D1
D0
R252 FLAGS
User Flag F1 *
User Flag F2 *
Half Carry Flag
Decimal Adjust Flag
Overflow Flag
Sign Flag
Zero Flag
Carry Flag
* Not affected by reset
Figure 53. Register Pointer
(FD
H
: READ/WRITE)
Figure 54. Stack Pointer High
(FE
H
: READ/WRITE)
Figure 55. Stack Pointer Low
(FF
H
: READ/WRITE)
D7
D6
D5
D4
D3
D2
D1
D0
R253 RP
Expanded Register File
Working Register Pointer
D7
D6
D5
D4
D3
D2
D1
D0
Stack Pointer Upper
Byte (SP8 - SP15)
R254 SPH
D7
D6
D5
D4
D3
D2
D1
D0
Stack Pointer Lower
Byte (SP0 - SP7)
R255 SPL
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