UPD17P133CS datasheet(9/289 Pages) NEC

9 / 289 page

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11.6 COMPARISON JUDGEMENT ..........................................................................................

11.6.1

“Equal to” Judgement ........................................................................................................

100

11.6.2

“Not Equal to” Judgement .................................................................................................

100

11.6.3

“Greater Than or Equal to” Judgement .............................................................................

101

11.6.4

“Less Than” Judgement .....................................................................................................

101

11.7 ROTATIONS .......................................................................................................................

102

11.7.1

Rotation to the Right ...........................................................................................................

102

11.7.2

Rotation to the Left .............................................................................................................

103

CHAPTER 12 PORTS ........................................................................................................................

105

12.1 PORT 0A (P0A0, P0A1, P0A2, P0A3) .................................................................................

105

12.2 PORT 0B (P0B0, P0B1, P0B2, P0B3) ..................................................................................

106

12.3 PORT 0C (P0C0, P0C1, P0C2, P0C3) ... in the case of the

µPD17120 and 17121 .......

107

12.4 PORT 0C (P0C0/Cin0, P0C1/Cin1, P0C2/Cin2, P0C3/Cin3) in the case of the

µPD17132,

17133, 17P132, and 17P133 ............................................................................................

108

12.5 PORT 0D (P0D0/SCK, P0D1/SO, P0D2/SI, P0D3/TMOUT) ............................................

109

12.6 PORT 0E (P0E0, P0E1/Vref) ... Vref,

µPD17132, 17133, 17P132, and

17P133 only .......................................................................................................................

111

12.6.1

Cautions when Operating Port Registers ..........................................................................

112

12.7 PORT CONTROL REGISTER ............................................................................................

113

12.7.1

Input/Output Switching by Group I/O .................................................................................

113

12.7.2

Input/Output Switching by Bit I/O ......................................................................................

114

CHAPTER 13 PERIPHERAL HARDWARE .......................................................................................

117

13.1 8-BIT TIMER COUNTER (TM) ..........................................................................................

117

13.1.1

8-Bit Timer Counter Configuration ......................................................................................

117

13.1.2

8-bit Timer Counter Control Register .................................................................................

119

13.1.3

Operation of 8-bit Timer Counters .....................................................................................

120

13.1.4

Selecting Count Pulse .........................................................................................................

120

13.1.5

Setting a Count Value in Modulo Register and Calculation Method ................................

121

13.1.6

Margin of Error of Interval Time .........................................................................................

124

13.1.7

Reading Count Register Values ..........................................................................................

126

13.1.8

Timer Output .......................................................................................................................

129

13.1.9

Timer Resolution and Maximum Setting Time ..................................................................

130

13.2 COMPARATOR (mPD17132, 17133, 17P132, AND 17P133 ONLY) .............................

131

13.2.1

Configuration of Comparator ...............................................................................................

131

13.2.2

Functions of Comparator .....................................................................................................

132

13.3 SERIAL INTERFACE (SIO) ................................................................................................

135

13.3.1

Functions of the Serial Interface ........................................................................................

135

13.3.2

3-wire Serial Interface Operation Modes ...........................................................................

137

13.3.3

Setting Values in the Shift Register ...................................................................................

141

13.3.4

Reading Values from the Shift Register .............................................................................

142

13.3.5

Program Example of Serial Interface ..................................................................................

143

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