Maxim Integrated 17-11
MAX31782 User’s Guide
Revision 0; 8/11
Table 17-4. Output from Read Register Map Command
17.2.3 Single Step Operation (Trace)
The debug engine supports single step operation in debug mode by executing a Trace command from the host. The
debug engine allows the CPU to return to its normal program execution for one cycle and then forces a debug mode
re-entry. The steps for the Trace command are:
1) Set status to 10b (debug-busy)
2) Pop the return address from the stack
3) Set the IGE bit to logic 1 if debug mode was activated when IGE = 1.
4) Supply the CPU with an instruction addressed by the return address
5) Stall the CPU at the end of the instruction execution
6) Block the next instruction fetch from program memory
7) Push the return address onto the stack
8) Set the contents of IP to x8010h
9) Clear the IGE bit to 0 to disable the interrupt handler
10) Halt CPU operation
11) Set the status to debug-idle
WORD REGISTER WORD REGISTER WORD REGISTER WORD REGISTER WORD REGISTER WORD REGISTER WORD REGISTER
0 PO2 32 ---- 64 ---- 96 PWMC0 128 PWMC2 160 MCNT 192 A[3]
1 PO1 33 I2CST_M 65 I2CST_S 97 PWMR0 129 PWMR2 161 MA 193 A[4]
2 ---- 34 I2CIE_M 66 I2CIE_S 98 PWMC1 130 PWMC3 162 MB 194 A[5]
3 MIIR0 35 PO6 67 MIIR2 99 PWMR1 131 PWMR3 163 MC2 195 A6[]
4 ---- 36 MIIR1 68 ---- 100 SMBUS 132 ---- 164 MC1 196 A[7]
5 ---- 37 ---- 69 ---- 101 TACHR0 133 TACHR2 165 MC0 197 A[8]
6 TB0C 38 EIF6 70 ADST 102 ---- 134 ---- 166 MC1R 198 A[9]
7 TB0R 39 EIE6 71 ADADDR 103 TACHR1 135 TACHR3 167 MC0R 199 A[10]
8 PI2 40 PI6 72 ADCN 104 PWMV0 136 PWMV2 168 PWMV4 200 A[11]
9 PI1 41 SVM 73 ---- 105 PWMCN0 137 PWMCN2 169 PWMCN4 201 A[12]
10 ---- 42 ---- 74 ---- 106 PWMV1 138 PWMV3 170 PWMC4 202 A[13]
11 TB0V 43 ---- 75 ---- 107 PWMCN1 139 PWMCN3 171 PWMR4 203 A[14]
12 ---- 44 I2CCN_M 76 I2CCN_S 108 TACHV0 140 TACHV2 172 TACHV4 204 A[15]
13 TB0CN 45 I2CCK_M 77 I2CCK_S 109 TACHCN0 141 TACHCN2 173 TACHCN4 205 IP
14 ---- 46 I2CTO_M 78 I2CTO_S 110 TACHV1 142 TACHV3 174 ---- 206 SP
15 ---- 47 I2CSLA_M 79 I2CSLA_S 111 TACHCN1 143 TACHCN3 175 TACHR4 207 IV
16 PD2 48 EIES6 80 ---- 112 MIIR3 144 MIIR4 176 ---- 208 LC[0]
17 PD1 49 ---- 81 ---- 113 ---- 145 ---- 177 TACHR5 209 LC[1]
18 ---- 50 PD6 82 ---- 114 ---- 146 ---- 178 TACHV5 210 OFFS
19 ---- 51 ---- 83 ---- 115 ---- 147 ---- 179 TACHCN5 211 DPC
20 ---- 52 ---- 84 ---- 116 ---- 148 ---- 180 PWMC5 212 GR
21 ---- 53 ---- 85 I2C_SPB 117 ---- 149 ---- 181 PWMR5 213 BP
22 ---- 54 ETS 86 DEV_NUM 118 ---- 150 ---- 182 PWMV5 214 DP[0]
23 ---- 55 ADCG1 87 ---- 119 ---- 151 ---- 183 PWMCN5 215 DP[1]
24 ---- 56 ADCG5 88 ICDT0 120 ---- 152 ---- 184 AP APC
25 ---- 57 ADVOFF 89 ICDT1 121 ---- 153 ---- 185 PSF IC
26 ---- 58 TOEX 90 ICDC 122 ---- 154 ---- 186 IMR SC
27 ---- 59 ---- 91 ICDF 123 ---- 155 ---- 187 IIR CKCN
28 ---- 60 ---- 92 ICDB 124 ---- 156 ---- 188 WDCN 00h
29 ---- 61 ---- 93 ICDA 125 ---- 157 ---- 189 A[0]
30 ---- 62 ---- 94 ICDD 126 ---- 158 ---- 190 A[1]
31 ---- 63 ---- 95 ---- 127 ---- 159 ---- 191 A[2]
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