MB91155 datasheet(11/105 Pages) FUJITSU

11 / 105 page

MB91F155A/MB91155/MB91154

(Continued)

Note : On the majority of pins listed above, the I/O port and the resource I/O are multiplexed, such as XXXX/Pxx.

When the port and the resource output compete against each other on these pins, priority is given to the

resource.

Pin No.

Pin name

Circuit

type

Function

132

133

134

135

136

137

138

139

AN0/PK0

AN1/PK1

AN2/PK2

AN3/PK3

AN4/PK4

AN5/PK5

AN6/PK6

AN7/PK7

A/D converter analog input

These pins are enabled when the AIC register is designated for analog

input.

These pins are available as ports when A/D converter analog input is

not in use.

141

TEST

The TEST pin must be connected to the power supply (VCC)

142

143

X0A

X1A

Low-speed clock (32 kHz) oscillation pin

27, 56, 68,

77, 97,

122, 140

VCC



Power supply pin (VCC) for digital circuit

Always power supply pin (VCC) must be connected to the power

supply

9, 26, 44,

59, 98,

101, 144

VSS



Earth level (VSS) for digital circuit

Always power supply pin (VSS) must be connected to the power

supply

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