Fujitsu F2MC-16LX Hardware Manual page 30

CHAPTER 1 OVERVIEW
Table 1.5-1 Pin Function (4/7)
Pin No. Pin Name
83 P52
WRL
84 P53
WRH
85 P54
HRQ
86 P55
HAK
91 P56
RDY
92 P57
CLK
21 to 22 P60 to P61
INT0 to INT1
23 P62
INT2
SIN
24 P63
INT3
SOT
25 P64
INT4
SCK
14
Circuit
Type
L It is General-purpose I/O port.
Functions as the data write strobe output (WRLX) pin on the lower side in
external bus mode. Functions as a general-purpose I/O port when the WRE bit
in the EPCR register is "0".
L It is General-purpose I/O port.
Functions as the data write strobe output (WRHX) pin on the higher side in 16-
bit external bus mode. Functions as a general-purpose I/O port when the WRE
bit in the EPCR register is "0".
L It is General-purpose I/O port.
Functions as the hold request input (HRQ) pin in external bus mode. Functions
as a general-purpose I/O port when the HDE bit in the EPCR register is "0".
L It is General-purpose I/O port.
Functions as the hold acknowledge output (HAKX) pin in external bus mode.
Functions as a general-purpose I/O port when the HDE bit in the EPCR register
is "0".
L It is General-purpose I/O port.
Functions as the external ready input (RDY) pin in external bus mode.
Functions as a general-purpose I/O port when the RYE bit in the EPCR register
is "0".
L It is General-purpose I/O port.
Functions as the machine cycle clock output (CLK) pin in external bus mode.
Functions as a general-purpose I/O port when the CKE bit in the EPCR register
is "0".
C It is General-purpose I/O port (Withstand voltage of 5 V).
Function as input pins for external interrupt ch0 to ch1.
C It is General-purpose I/O port (Withstand voltage of 5 V).
Function as input pins for external interrupt ch2.
It is simple serial I/O data output terminal.
C It is General-purpose I/O port (Withstand voltage of 5 V).
Function as input pins for external interrupt ch3.
It is simple serial I/O data output terminal.
C It is General-purpose I/O port (Withstand voltage of 5 V).
Function as input pins for external interrupt ch4.
It is simple serial I/O clock input/output terminal.
Functional description