參數(shù)資料
型號: S1C88832F0A0100
元件分類: 微控制器/微處理器
英文描述: MICROCONTROLLER, PQFP128
封裝: PLASTIC, QFP-128
文件頁數(shù): 109/160頁
文件大?。?/td> 1244K
代理商: S1C88832F0A0100
44
EPSON
S1C88832/88862 TECHNICAL MANUAL
5 PERIPHERAL CIRCUITS AND THEIR OPERATION (Output Ports)
s High impedance control
HZR26: 00FF71HD6
HZR27: 00FF71HD7
HZR34: 00FF72HD4
HZR50: 00FF70HD6
HZR51: 00FF70HD7
Sets the output terminals to a high impedance state.
When "1" is written: High impedance
When "0" is written: Complementary
Reading:
Valid
HZRxx is the high impedance control register
which correspond to the Rxx output port terminal.
When "1" is set to the HZRxx register, the corre-
sponding output port terminal becomes high
impedance state and when "0" is set, it becomes
complementary output.
This control is effective even if the port is set as a
special output port.
At initial reset, this register is set to "0"
(complimentary).
HZR34 is unavailable in the S1C88862.
s DC output control
R26D: 00FF75HD6
R27D: 00FF75HD7
R34D: 00FF76HD4
R50D: 00FF78HD0
R51D: 00FF78HD1
Sets the data output from the output port terminal
Rxx.
When "1" is written: HIGH level output
When "0" is written: LOW level output
Reading:
Valid
RxxD is the data register for the Rxx output port.
When "1" is set to the register, the corresponding
output port terminal goes HIGH (VDD), and when
"0" is set, it goes LOW (VSS).
At initial reset, R50D is set to "0" (LOW level
output). The other registers are set to "1" (HIGH
level output).
When R26 and/or R51 are set to the special outputs
by mask option, R26D and/or R51D can be used as
general-purpose registers that do not affect the
output status.
R34D is unavailable in the S1C88862.
s Special output control
PTOUT: 00FF30HD2
Controls the TOUT (programmable timer output
clock) signal output.
When "1" is written: TOUT signal output ON
When "0" is written: TOUT signal output OFF
Reading:
Valid
PTOUT is the output control register for TOUT
signal. When "1" is set to the register, the TOUT
(TOUT) signal is output from the output port
terminal R27 (R26). When "0" is set, the R27 goes
HIGH (VDD) and the R26 goes LOW (VSS).
To output the TOUT signal, "1" must always be set
for the data register R27D. The data register R26D
does not affect the TOUT output.
At initial reset, PTOUT is set to "0" (output OFF).
The TOUT signal can be output from R26 only
when the function is selected by mask option.
FOUTON: 00FF40HD3
Controls the FOUT (fOSC1/fOSC3 dividing clock)
signal output.
When "1" is written: FOUT signal output
When "0" is written: HIGH level (DC) output
Reading:
Valid
FOUTON is the output control register for FOUT
signal. When "1" is set, the FOUT signal is output
from the output port terminal R34 and when "0" is
set, HIGH (VDD) level is output. At this time, "1"
must always be set for the data register R34D.
At initial reset, FOUTON is set to "0" (HIGH level
output).
In the S1C88862, FOUTON is a general purpose
register with read/write capabilities.
FOUT0, FOUT1, FOUT2: 00FF40HD4, D5, D6
FOUT signal frequency is set as shown in Table
5.5.6.2.
Table 5.5.6.2 FOUT frequency settings
At initial reset, this register is set to "0" (fOSC1/1).
In the S1C88862, FOUT0, FOUT1 and FOUT2
are general purpose registers with read/write
capabilities.
FOUT2
FOUT frequency
0
1
fOSC1 / 1
fOSC1 / 2
fOSC1 / 4
fOSC1 / 8
fOSC3 / 1
fOSC3 / 2
fOSC3 / 4
fOSC3 / 8
FOUT1
0
1
0
1
FOUT0
0
1
0
1
0
1
0
1
fOSC1:
fOSC3:
OSC1 oscillation frequency
OSC3 oscillation frequency
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