MB91401

Prelminary

2004.11.12

 

 

PIN ASSIGNMENT

INDEX

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

A

B

C D E F G H J K L M N P R T U V W

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

72

71

70

69

68

67

66

65

64

63

62

61

60

59

58

57

56

55

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

73

136

135

134

133

132

131

130

129

128

127

126

125

124

123

122

121

54

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3

74

137

192

191

190

189

188

187

186

185

184

183

182

181

180

179

120

53

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4

75

138

193

240

239

238

237

236

235

234

233

232

231

230

229

178

119

52

 

 

5

76

139

194

 

 

 

 

 

 

 

 

 

 

 

228

177

118

51

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

6

77

140

195

 

 

 

 

 

 

 

 

 

 

 

227

176

117

50

 

 

7

78

141

196

 

 

 

 

 

 

 

 

 

 

 

226

175

116

49

 

 

8

79

142

197

 

 

 

 

 

 

 

 

 

 

 

225

174

115

48

 

 

9

80

143

198

 

 

 

 

(TOP-VIEW)

 

 

 

 

224

173

114

47

 

 

10

81

144

199

 

 

 

 

(SUB240W)

 

 

 

 

223

172

113

46

 

 

11

82

145

200

 

 

 

 

 

 

 

 

 

 

 

222

171

112

45

 

 

12

83

146

201

 

 

 

 

 

 

 

 

 

 

 

221

170

111

44

 

 

13

84

147

202

 

 

 

 

 

 

 

 

 

 

 

220

169

110

43

 

 

14

85

148

203

 

 

 

 

 

 

 

 

 

 

 

219

168

109

42

 

 

15

86

149

204

 

 

 

 

 

 

 

 

 

 

 

218

167

108

41

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

16

87

150

205

206

207

208

209

210

211

212

213

214

215

216

217

166

107

40

 

 

17

88

151

152

153

154

155

156

157

158

159

160

161

162

163

164

165

106

39

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

18

89

90

91

92

93

94

95

96

97

98

99

100

101

102

103

104

105

38

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

:signal (204 lines)

:PLLVDD (1 line) 199

:PLLVSS (1 line) 197

: VDDI (12 lines)

195, 200, 203, 207, 211, 215, 1219, 223

 

227,

231, 235, 239

: VDDE (9 lines)

83, 196, 202, 208, 214, 220, 226, 232, 238

: VSS (16lins)

1, 19, 37, 55, 193, 198, 201, 205, 209

 

213,

217, 225, 229, 233, 237

4

Page 4
Image 4
Fujitsu MB91401 manual PIN Assignment, Index E F G H J K L M N P R T U V W

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.