HMS87C5216 ETC1 [List of Unclassifed Manufacturers], HMS87C5216 Datasheet - Page 55
HMS87C5216
Manufacturer Part Number
HMS87C5216
Description
CMOS SINGLE-CHIP 8-BIT MICROCONTROLLER FOR UR(Universal Remocon) & WIRELESS KEYBOARD
Manufacturer
ETC1 [List of Unclassifed Manufacturers]
Datasheet
1.HMS87C5216.pdf
(76 pages)
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ecuting, SLEEP mode and STOP mode, the rest of executing is
the same as that of external Interrupt. Each SMRR Register bit is
allowed for each port (for Bit= ``0``, no Key Input, for Bit= ``1``,
SEP. 2004 Ver 1.01
Figure 13-5 Key Scan Block
SMRR0
SMRR1
SMRR0
SMRR1
R00
R01
R07
R10
R11
R17
.
.
.
.
.
.
KR07
KR17
7
7
7
7
Selection Logic
Selection Logic
KR06
KR16
R0 port
R0 port
KR05
KR15
SMRR0 Register
SMRR1 Register
KR04
KR14
KR03
KR13
Key Input available). At reset, SMRR becomes ``00 h``. So,
there is no Key Input source.
0
0
KR02
KR12
W <00DC h>
W <00DD h>
KR01
KR11
KR00
KR10
0
0
W <00DC h>
W <00DD h>
Internal
Key Scan
Interrupt
HMS87C5216
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