
MB91307B
10
(Continued)
Pin no.
Pin name
I/O
circuit type
H
H
B
Description
73
74
76
NMI
HST
INIT
NMI
request
input
Hardware standby input
External reset input
SYSCLK: System clock output. This function is valid when the system
clock output setting is enabled. The clock signal output is at the same fre-
quency as the external bus operating frequency. Clock output halts in the
stop mode or the hardware standby mode.
P90: General purpose input/output port. This function is enabled when the
system clock output setting is disabled.
P91: General purpose input/output port. This function is enabled when the
SDRAM clock enable output setting is disabled.
MCLK: Memory clock output. Clock output halts in the sleep mode, the
stop mode or the hardware standby mode.
P92: General purpose input/output port. This function is enabled when the
clock output setting is disabled.
P93: General purpose input/output port. This function is enabled when the
SDRAM clock re-input setting is disabled.
AS: Address strobe output. This function is valid when the address strobe
output setting is disabled.
LBA: Burst flash ROM address load output. This function is valid when the
address load output setting is enabled.
P94: General purpose input/output port. This function is valid when the
address load output and address strobe output settings are disabled.
BAA: Burst flash ROM address advance output. This function is valid
when the address advance output setting is enabled.
P95: General purpose input/output port. This function is valid when the
address advance output and column address strobe output settings are
disabled.
P96: General purpose input/output port. This function is enabled when the
column address strobe output setting is disabled.
WE: Write strobe output for 16-bit SRAM. This function is enabled when
the write strobe output setting is enabled.
P97: General purpose input/output port. This function is enabled when the
write strobe output setting is prohibited.
A/D converter power supply
A/D converter power supply
A/D converter power supply (GND)
77
SYSCLK
F
P90
78
P91
F
79
MCLK
F
P92
80
P93
F
81
AS
F
LBA
P94
82
BAA
P95
83
P96
F
84
WE
P97
9
AV
CC
AVRH
AV
SS
/AVRL
10
11
24, 55,
110
34, 52,
75, 101
V
CC
Power supply pins
V
SS
Power supply pins (GND)