參數資料
型號: Z86L9808SSC
英文描述: Triac; Triac Type:Internally Triggered; Peak Repetitive Off-State Voltage, Vdrm:600V; On-State RMS Current, IT(rms):10A; Gate Trigger Current (QI), Igt:25uA; Package/Case:TO-220; Gate Trigger Current Max, Igt:1.5A
中文描述: 單片機| 8位| Z8的CPU |的CMOS |??苵 28腳|塑料
文件頁數: 31/87頁
文件大小: 1182K
代理商: Z86L9808SSC
Z86L81/86/98
28-Pin Low-Voltage Infrared Microcontrollers
PS006403-0502
25
The upper nibble of the register pointer (see Figure 12) selects which working reg-
ister group, of 16 bytes in the register file, is accessed out of the possible 256. The
lower nibble selects the expanded register file bank and, in the case of the
Z86L81/86/98 family, banks 0, F, and D are implemented. A
0h
in the lower nibble
allows the normal register file (bank 0) to be addressed, but any other value from
1h
to
Fh
exchanges the lower 16 registers to an expanded register bank.
Figure 12. Register Pointer
Example: Z86L81/86/98: (See Figure 11 on page 24)
R253 RP = 00h
R0 = Port 0
R1 = Port 1
R2 = Port 2
R3 = Port 3
But if:
R253 RP = 0Dh
R0 = CTRL0
R1 = CTRL1
R2 = CTRL2
R3 = Reserved
The counter/timers are mapped into ERF group D. Access is easily performed
using the following:
LD
(working register group 0)
LD
R0,#xx
LD
1, #xx
LD
R1, 2
RP, #0Dh
; Select ERF D for access to bank D
; load CTRL0
; load CTRL1
; CTRL2
CTRL1
R253 RP
D7
D6
D5
D4
D3
D2
D1
D0
Expanded Register
File Pointer
Working Register
Pointer
Default Setting After Reset = 0000 0000
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