Prelminary

MB91401

2004.11.12

PIN NUMBER TABLE

Pin Number

Pin name

 

Pin Number

Pin name

 

Pin Number

Pin name

 

Pin Number

Pin name

 

 

 

 

 

 

 

 

 

 

 

1

VSS

 

61

UDP

 

121

EXD11

 

181

SDA

 

 

 

 

 

 

 

 

 

 

 

2

CFD15

 

62

CFWEX

 

122

EXD14

 

182

USBINS

 

 

 

 

 

 

 

 

 

 

 

3

ICLK

 

63

CFCE1X

 

123

CFCD2X

 

183

UDM

 

 

 

 

 

 

 

 

 

 

 

4

ICS0

 

64

CFIORDX

 

124

UCLKSEL

 

184

CFRESET

 

 

 

 

 

 

 

 

 

 

 

5

TDI

 

65

CFA1

 

125

CFWAITX

 

185

CFREGX

 

 

 

 

 

 

 

 

 

 

 

6

UCLK48

 

66

CFA5

 

126

N.C.

 

186

CFA0

 

 

 

 

 

 

 

 

 

 

 

7

TMS

 

67

CFA8

 

127

CFOEX

 

187

CFA3

 

 

 

 

 

 

 

 

 

 

 

8

XINI

 

68

CFD0

 

128

CFCE2X

 

188

CFA7

 

 

 

 

 

 

 

 

 

 

 

9

PLLBYPAS

 

69

CFD3

 

129

CFIOWRX

 

189

CFA10

 

 

 

 

 

 

 

 

 

 

 

10

OSCEB

 

70

CFD7

 

130

CFA2

 

190

CFD2

 

 

 

 

 

 

 

 

 

 

 

11

TEST0

 

71

CFD10

 

131

CFA6

 

191

CFD5

 

 

 

 

 

 

 

 

 

 

 

12

OSCEA

 

72

CFD13

 

132

CFA9

 

192

CFD9

 

 

 

 

 

 

 

 

 

 

 

13

TEST2

 

73

CFD14

 

133

CFD1

 

193

VSS

 

 

 

 

 

 

 

 

 

 

 

14

SCK0

 

74

ICS2

 

134

CFD4

 

194

ICD2

 

 

 

 

 

 

 

 

 

 

 

15

SIN0

 

75

ICS1

 

135

CFD8

 

195

VDDI

 

 

 

 

 

 

 

 

 

 

 

16

INT5

 

76

BREAKI

 

136

CFD11

 

196

VDDE

 

 

 

 

 

 

 

 

 

 

 

17

A3

 

77

CLKSEL

 

137

CFD12

 

197

PLLVSS

 

 

 

 

 

 

 

 

 

 

 

18

A2

 

78

TRST

 

138

ICD0

 

198

VSS

 

 

 

 

 

 

 

 

 

 

 

19

VSS

 

79

MDI0

 

139

ICD1

 

199

PLLVDD

 

 

 

 

 

 

 

 

 

 

 

20

A4

 

80

MDI2

 

140

ICD3

 

200

VDDI

 

 

 

 

 

 

 

 

 

 

 

21

A7

 

81

PLLSET0

 

141

TDO

 

201

VSS

 

 

 

 

 

 

 

 

 

 

 

22

A10

 

82

TEST1

 

142

MDI1

 

202

VDDE

 

 

 

 

 

 

 

 

 

 

 

23

A13

 

83

VDDE

 

143

VPD

 

203

VDDI

 

 

 

 

 

 

 

 

 

 

 

24

A16

 

84

TEST3

 

144

PLLSET1

 

204

INITXI

 

 

 

 

 

 

 

 

 

 

 

25

MCLKO

 

85

SIN1

 

145

OSCC

 

205

VSS

 

 

 

 

 

 

 

 

 

 

 

26

A21

 

86

SOUT0

 

146

TCK

 

206

NMIX

 

 

 

 

 

 

 

 

 

 

 

27

RDX

 

87

INT6

 

147

PLLS

 

207

VDDI

 

 

 

 

 

 

 

 

 

 

 

28

WRX2

 

88

A6

 

148

SCK1

 

208

VDDE

 

 

 

 

 

 

 

 

 

 

 

29

CSX0

 

89

A5

 

149

SOUT1

 

209

VSS

 

 

 

 

 

 

 

 

 

 

 

30

N.C.

 

90

A8

 

150

INT7

 

210

A0

 

 

 

 

 

 

 

 

 

 

 

31

D0

 

91

A11

 

151

A9

 

211

VDDI

 

 

 

 

 

 

 

 

 

 

 

32

D2

 

92

A14

 

152

A12

 

212

A1

 

 

 

 

 

 

 

 

 

 

 

33

D5

 

93

A17

 

153

A15

 

213

VSS

 

 

 

 

 

 

 

 

 

 

 

34

D9

 

94

A19

 

154

A18

 

214

VDDE

 

 

 

 

 

 

 

 

 

 

 

35

D12

 

95

A22

 

155

A20

 

215

VDDI

 

 

 

 

 

 

 

 

 

 

 

36

D15

 

96

WRX3

 

156

A23

 

216

D8

 

 

 

 

 

 

 

 

 

 

 

37

VSS

 

97

WRX1

 

157

RDY

 

217

VSS

 

 

 

 

 

 

 

 

 

 

 

38

D17

 

98

CSX1

 

158

WRX0

 

218

D26

 

 

 

 

 

 

 

 

 

 

 

39

D18

 

99

N.C.

 

159

CSX6

 

219

VDDI

 

 

 

 

 

 

 

 

 

 

 

40

D20

 

100

D1

 

160

N.C.

 

220

VDDE

 

 

 

 

 

 

 

 

 

 

 

41

D23

 

101

D3

 

161

N.C.

 

221

VSS

 

 

 

 

 

 

 

 

 

 

 

42

D27

 

102

D6

 

162

D4

 

222

MDCLK

 

 

 

 

 

 

 

 

 

 

 

43

TXEN

 

103

D10

 

163

D7

 

223

VDDI

 

 

 

 

 

 

 

 

 

 

 

44

TXD0

 

104

D13

 

164

D11

 

224

MDIO

 

 

 

 

 

 

 

 

 

 

 

45

RXD0

 

105

D16

 

165

D14

 

225

VSS

 

 

 

 

 

 

 

 

 

 

 

46

TXCLK

 

106

D19

 

166

D22

 

226

VDDE

 

 

 

 

 

 

 

 

 

 

 

47

RXD2

 

107

D21

 

167

D25

 

227

VDDI

 

 

 

 

 

 

 

 

 

 

 

48

RXCLK

 

108

D24

 

168

D29

 

228

EXD3/GPIO3

 

 

 

 

 

 

 

 

 

 

 

49

EXIS16

 

109

D28

 

169

D31

 

229

VSS

 

 

 

 

 

 

 

 

 

 

 

50

EXCSX

 

110

D30

 

170

TXD2

 

230

CFVS1X

 

 

 

 

 

 

 

 

 

 

 

51

EXD0/GPIO0

 

111

TXD1

 

171

TXD3

 

231

VDDI

 

 

 

 

 

 

 

 

 

 

 

52

EXD4/GPIO4

 

112

RXD1

 

172

RXDV

 

232

VDDE

 

 

 

 

 

 

 

 

 

 

 

53

EXD7/GPIO7

 

113

RXER

 

173

COL

 

233

VSS

 

 

 

 

 

 

 

 

 

 

 

54

EXD10

 

114

RXD3

 

174

DREQRX

 

234

CFVCC3EX

 

 

 

 

 

 

 

 

 

 

 

55

VSS

 

115

RXCRS

 

175

DREQTX

 

235

VDDI

 

 

 

 

 

 

 

 

 

 

 

56

EXD12

 

116

EXA

 

176

EXWRX

 

236

CFA4

 

 

 

 

 

 

 

 

 

 

 

57

EXD13

 

117

EXRDX

 

177

EXD2/GPIO2

 

237

VSS

 

 

 

 

 

 

 

 

 

 

 

58

CFCD1X

 

118

EXD1/GPIO1

 

178

EXD6/GPIO6

 

238

VDDE

 

 

 

 

 

 

 

 

 

 

 

59

SCL

 

119

EXD5/GPIO5

 

179

EXD9

 

239

VDDI

 

 

 

 

 

 

 

 

 

 

 

60

CFRDY

 

120

EXD8

 

180

EXD15

 

240

CFD6

 

 

 

 

 

 

 

 

 

 

 

5

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Image 5
Fujitsu MB91401 manual PIN Number Table

MB91401 specifications

The Fujitsu MB91401 microcontroller is a versatile device designed for automotive applications, embedded systems, and industrial control. It belongs to the MB91400 series, known for its robustness and efficiency. This series integrates advanced features and technologies that cater to a wide variety of real-time applications.

One of the standout features of the MB91401 is its 32-bit RISC architecture, which operates at clock speeds up to 40 MHz. This high-performance core enables rapid processing and data handling, making it suitable for demanding applications. The microcontroller is equipped with a generous amount of Flash memory, allowing developers to store essential firmware and applications directly on the chip, enhancing reliability and reducing design complexity.

Another key characteristic is its extensive memory configuration, which includes SRAM for data storage and EEPROM for non-volatile data retention. This combination provides flexibility for developers, enabling them to tailor the memory allocation based on specific application requirements.

The MB91401 is designed with a focus on peripheral integration. It features multiple I/O ports, timer units, and A/D converters, making it an ideal choice for applications that require precise timing and analog signal processing. The analog-to-digital converters offer high resolution and fast conversion speeds, which are critical in automotive and industrial control systems where accuracy is paramount.

Safety is a critical consideration in automotive applications, and the MB91401 addresses this with built-in diagnostic features and error detection capabilities. These features help ensure that the application remains functional and safe under various operating conditions.

In terms of connectivity, the microcontroller supports various communication protocols, including CAN, UART, and SPI, facilitating seamless integration with other systems and devices. This is particularly important in automotive applications where communication between different electronic control units (ECUs) is essential for overall system functionality.

The Fujitsu MB91401 is also designed for low power consumption, making it suitable for battery-operated devices and energy-sensitive applications. Its various power-saving modes allow developers to optimize the system's performance while extending operational life.

In summary, the Fujitsu MB91401 is a powerful and flexible microcontroller that combines high-performance processing with extensive peripheral support and safety features. Its robust architecture and energy-efficient design make it an excellent choice for a wide range of automotive and industrial applications, promoting both reliability and innovation in embedded system development.