Pin Functions; Table 1.5A Pin Functions (1/4) (Stbc: With Standby Control) - Fujitsu F2MC-16LX MB90580 Series Hardware Manual

1.5 Pin Functions

Table 1.5a to Table 1.5d lists the functions. Table 1.5e to Table 1.5g list the I/O circuit formats.
QFP LQFP
82 80
83 81
52 50
77 75
85 to 92 83 to 90
93 to
91 to 98
100
1 to 8 99 to 6
9 7
10 8
12 10
13 11
14 12
15 13
16 14
17 15
18 16
MB90580 series
Table 1.5a Pin functions (1/4)
Pin name I/O Circuit
X0 A
X1 A
HSTX C
RSTX B
P00 to P07
D
(CMOS/H)
AD00 to
AD07
P10 to P17
D
(CMOS/H)
AD08 to
AD15
P20 to P27
F
(CMOS/H)
A16 to A23
P30
F
(CMOS/H)
ALE
P31
F
(CMOS/H)
RDX
P32
F
(CMOS/H)
WRLX
P33 F
(CMOS/H)
WRHX
P34
F
(CMOS/H)
HRQ
P35
F
(CMOS/H)
HAKX
P36
F
(CMOS/H)
RDY
P37 F
(CMOS/H)
CLK
E
P40
(CMOS/H)
SINO
(STBC: With standby control)
Oscillator pin
Oscillator pin
Hardware standby input pin
Reset input pin
General-purpose I/O ports
A pull-up resistor can be assigned (RD07-00='1') by using the pull-up resis-
tor setting register (RDR0). (D07-00='1': Invalid when set as output)
Low-order data I/O or low-order address output (AD00 to 07) in external
bus mode
General-purpose I/O ports
A pull-up resistor can be assigned (RD17-10='1') by using the pull-up resis-
tor setting register (RDR1). (D17-10='1': Invalid when set as output)
High-order data I/O or medium-order address output (AD08 to 15) in
external 16-bit bus mode
General-purpose I/O ports
Pins A16 to A19 when the corresponding bit of the HACR register is '0' in
external bus mode
High-order address output (A16 to A19) when the corresponding bit of the
HACR register is '1' in external bus mode
General-purpose I/O port
ALE pin in external bus mode
Address fetch enable signal pin
General-purpose I/O port
RDX pin in external bus mode
Read strobe output (RDX) pin
General-purpose I/O port
WRX pin when the WRE bit is '1' in external bus mode
Low-order data write strobe output (WRLX) pin
General-purpose I/O port
WRHX pin when the WRE bit of the EPCR register is
'1' in external 16-bit bus mode
High-order data write strobe output (WRHX) pin
General-purpose I/O port
HRQ pin when the HDE bit of the EPCR register is '1' in external bus mode
Hold request input (HRQ) pin
General-purpose I/O port
HAKX pin when the HDE bit of the EPCR register is '1' in external bus
mode
Hold acknowledgment output (HAKX) pin
General-purpose I/O port
RDY pin when the RYE bit of the EPCR register is '1' in external bus mode
External ready input (RDY) pin
General-purpose I/O port
CLK pin when the CKE bit of the EPCR register is '1' in external bus mode
Machine cycle clock output (CLK) pin
General-purpose I/O port
Serial input (SIN0) during UART0 operation
Open drain output port when OD40 of the open drain control setting regis-
ter (ODR4) is set to '1' (D40='0': Invalid when set as input)
UART0 serial data input (SIN0) pin
1.5 Pin Functions
Function
Chapter 1: Overview 7