參數(shù)資料
型號: Z86L75
廠商: ZiLOG, Inc.
英文描述: IR/Low-Voltage Microcontroller
中文描述: 紅外/低電壓微控制器
文件頁數(shù): 43/61頁
文件大?。?/td> 349K
代理商: Z86L75
Z86L70/71/75/C71
Zilog
IR/Low-Voltage Microcontroller
DS97LVO0500
P R E L I M I N A R Y
1-43
1
Comparator Output Port 3
(D0). Bit 0 controls the com-
parator used in Port 3. A 1 in this location brings the com-
parator outputs to P34 and P37, and a 0 releases the Port
to its standard I/O configuration.
Stop-Mode Recovery Register
(SMR). This register se-
lects the clock divide value and determines the mode of
Stop-Mode Recovery (Figure 33). All bits are write only ex-
cept bit 7, which is read only. Bit 7 is a flag bit that is hard-
ware set on the condition of STOP recovery and reset by
a power-on cycle. Bits D2, D3, and D4, of the SMR regis-
ter, specify the source of the Stop-Mode Recovery signal.
Bit D0 determines if SCLK/TCLK are divided by 16 or not.
The SMR is located in Bank F of the Expanded Register
Group at address 0BH.
Figure 33. Stop-Mode Recovery Register
D7
D6
D5
D4
D3
D2
D1
D0
SMR (0F) 0B
SCLK/TCLK Divide-by-16
0 OFF
1 ON
Reserved (Must be 0)
Stop-Mode Recovery Source
000
001
010
011
100
101
110
111
Stop Delay
0 OFF
1 ON
*
Reserved
0 Low
Reserved Must be 0
Stop Flag
0 POR
1 Stop Recovery * *
* Default Setting After Reset
** Default Setting After Reset and Stop-Mode Recovery
**
*
*
*
POR Only
Reserved
P31
P32
P33
P27
P2 NOR 0-3
P2 NOR 0-7
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