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e *PD4022B
(PD4022A .....
FX-K9SDK/WG, FX-K9/EW)
Pin Functions
Pin Name
H(4)} La)
STACK
POINTER (8)
MEMORY
PROGRAM
128% 4 BITS
MEMORY
2048 x8 BITS
BUFFER
«
wl
uw
re
2
oe
=z
e
re
<
4
INSTRUCTION
OECODER
Function and Operation
Reel motor servo IC PA0008 servo switching output. ''H'' level during PLAY mode, "'L"' level during
FF, REW, and MS modes.
Reset input. Program is started from address 0 when ''H" level is applied temporarily to this pin.
Reference clock generator input.
Power supply.
Reference clock generator input.
47
Input
Output
Synchronizing clock pin for serial data transfer. This pin is used by alternate input/output switchin,
for transmitting and receiving purposes.
Receiving: To accept external sync clock, this pin is switched to input mode, and $I pin data is rea¢
by the rising edge of this pin.
se
Transmitting: Switched to output mode where output data is passed to the SO pin by the falling
edge of this pin.
:
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