— 85 —
DATI
BCKI
DOIN
XHCS
XHDT
HRW
XHIRQ
XRST
HA0
HA1
111
112
113
114
115
116
117
118
119
120
I
I
I
I
I/O
I
O
I
I
I
Pin No.
Pin Name
I/O
Function
Serial data input (CXD2545Q)
Bit clock input (CXD2545Q)
Digital input signal (Not used)
Register access chip select signal pin.
Data acknowledge/wait signal pin for DMA transmission, register access, transparent
memory access.
Register access control signal pin.
Interrupt request signal
Hardware reset input pin. When set to “L”, all registers and operations are reset and initialized.
Address input pin. In some cases, serves as the control signal and data input according to
the setting of the control mode.