Freescale-semiconductor 56F8122 Manual do Utilizador Página 85
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Register Descriptions
56F8322 Technical Data, Rev. 10.0
Freescale Semiconductor 85
Preliminary
6.5.7.4 INDEX0 (INDEX)—Bit 7
• 0 = Peripheral output function of GPIOB[5] is defined to be INDEX0
• 1 = Peripheral output function of GPIOB[5] is defined to be SYS_CLK
6.5.7.5 HOME0 (HOME)—Bit 6
• 0 = Peripheral output function of GPIOB[4] is defined to be HOME0
• 1 = Peripheral output function of GPIOB[4] is defined to be the prescaler clock (FREF, see Figure 3-4)
6.5.7.6 Clockout Disable (CLKDIS)—Bit 5
• 0 = CLKOUT output is enabled and will output the signal indicated by CLKOSEL
• 1 = CLKOUT is tri-stated
6.5.7.7 CLockout Select (CLKOSEL)—Bits 4–0
Selects clock to be muxed out on the CLKO pin.
• 00000 = SYS_CLK (from ROCS - DEFAULT)
• 00001 = Reserved for factory test—56800E clock
• 00010 = Reserved for factory test—XRAM clock
• 00011 = Reserved for factory test—PFLASH odd clock
• 00100 = Reserved for factory test—PFLASH even clock
• 00101 = Reserved for factory test—BFLASH clock
• 00110 = Reserved for factory test—DFLASH clock
• 00111 = MSTR_OSC Oscillator output
• 01000 = F
out
(from OCCS)
• 01001 = Reserved for factory test—IPB clock
• 01010 = Reserved for factory test—Feedback (from OCCS, this is path to PLL)
• 01011 = Reserved for factory test—Prescaler clock (from OCCS)
• 01100 = Reserved for factory test—Postscaler clock (from OCCS)
• 01101 = Reserved for factory test—SYS_CLK2 (from OCCS)
• 01110 = Reserved for factory test—SYS_CLK_DIV2
• 01111 = Reserved for factory test—SYS_CLK_D
• 10000 = ADCA clock
6.5.8 SIM GPIO Peripheral Select Register (SIM_GPS)
All of the peripheral pins on the 56F8322 and 56F8122 share their I/O with GPIO ports. To select
peripheral or GPIO control, program the GPIOx_PER register. When SPI 0 and SCI 1, Quad Timer C and
SCI 0, or PWMA and SPI 1 are multiplexed, there are two possible peripherals as well as the GPIO
functionality available for control of the I/O. The SIM_GPS register is used to determine which peripheral
has control. The default peripherals are SPI 0, Quad Timer C, and PWMA.
- 56F8322/56F8122 1
- Document Revision History 2
- IPBus Bridge (IPBB) 3
- Table of Contents 4
- Part 1 Overview 5
- 8KB of Data Flash 6
- 8KB of Data RAM 6
- 8KB of Boot Flash 6
- 1.2 Device Description 7
- 1.2.2 56F8122 Features 8
- Freescale Semiconductor 9 9
- 16 bits 10
- To/From IPBus Bridge 11
- Table 1-2 Bus Signal Names 12
- 1.5 Product Documentation 13
- 1.6 Data Sheet Conventions 13
- 2.1 Introduction 14
- Freescale Semiconductor 15 15
- 16 Freescale Semiconductor 16
- 2.2 Signal Pins 17
- Signal Pins 19
- 3.1 Introduction 26
- 3.2.3 External Clock Source 27
- 28 Freescale Semiconductor 28
- 3.5 Registers 29
- Part 4 Memory Map 30
- 4.3 Interrupt Vector Table 31
- (Continued) 32
- 4.4 Data Map 34
- 4.5 Flash Memory Map 34
- Flash Memory Map 35
- 4.6 EOnCE Memory Map 36
- (TMRA_BASE = $00 F040) 37
- (TMRC_BASE = $00 F0C0) 39
- (PWMA_BASE = $00 F140) 40
- (DEC0_BASE = $00 F180) 41
- (ITCN_BASE = $00 F1A0) 41
- (ADCA_BASE = $00 F200) 42
- Register Description 44
- (FM_BASE = $00 F400) 47
- (FC_BASE = $00 F800) 47
- 5.1 Introduction 52
- 5.2 Features 52
- 5.3 Functional Description 52
- Functional Description 53
- 5.4 Block Diagram 54
- 5.5 Operating Modes 54
- 5.6 Register Descriptions 55
- 56 Freescale Semiconductor 56
- Freescale Semiconductor 57 57
- 58 Freescale Semiconductor 58
- Freescale Semiconductor 59 59
- 60 Freescale Semiconductor 60
- Freescale Semiconductor 61 61
- 62 Freescale Semiconductor 62
- Bits 11–10 63
- 64 Freescale Semiconductor 64
- Freescale Semiconductor 65 65
- Bits 15–14 66
- 5.6.8.2 Reserved—Bits 13–6 66
- Freescale Semiconductor 67 67
- 68 Freescale Semiconductor 68
- Freescale Semiconductor 69 69
- 70 Freescale Semiconductor 70
- 5.6.12.1 Reserved—Bits 15–7 71
- 5.6.14.1 Reserved—Bits 15–5 71
- 5.6.15.1 Reserved—Bits 15–7 72
- 5.6.17.1 Reserved—Bits 15–5 73
- 5.6.18.2 Reserved—Bit 0 73
- 74 Freescale Semiconductor 74
- Freescale Semiconductor 75 75
- 76 Freescale Semiconductor 76
- 5.7 Resets 77
- 6.1 Introduction 77
- 6.2 Features 78
- 6.3 Operating Modes 78
- 6.4 Operating Mode Register 79
- 6.5 Register Descriptions 79
- 6.5.1.1 Reserved—Bits 15–6 80
- Freescale Semiconductor 81 81
- 6.5.2.6 Reserved—Bits 1–0 82
- 6.5.6.1 Reserved—Bits 15–12 83
- 6.5.6.2 RESET—Bit 11 83
- Figure 3-4) 84
- 6.5.7.5 HOME0 (HOME)—Bit 6 85
- 6.5.8.1 Reserved—Bits 15–8 86
- 6.5.8.2 GPIO C6 (C6)—Bit 7 86
- 6.5.8.3 GPIOC5 (C5)—Bit 6 86
- Freescale Semiconductor 87 87
- 88 Freescale Semiconductor 88
- Freescale Semiconductor 89 89
- 1 1 1 1 1 1 1 1 1 1 1 1 1 1 90
- ISAL[23:22] 90
- 111111 1 11111 1 1 11 90
- ISAL[21:6] 90
- 6.7 Power-Down Modes 91
- 6.9 Resets 92
- Part 7 Security Features 93
- 7.2.3 Flash Lockout Recovery 94
- << 95
- 8.1 Introduction 96
- 8.2 Configuration 96
- Configuration 97
- 8.3 Memory Maps 98
- 9.1 JTAG Information 98
- Part 10 Specifications 99
- Comments Symbol 101
- Unit Notes 101
- 1. No Output Switching 105
- Table 10-10. PLL Parameters 106
- 10.2.2 Temperature Sense 107
- Figure 10-2 Signal States 108
- External 109
- 10.7 Oscillator Parameters 110
- Oscillator Parameters 111
- First Fetch 113
- Not IRQA Interrupt Vector 114
- First Instruction Fetch 114
- Table 10-18 SPI Timing 115
- 10.10 Quad Timer Timing 118
- Figure 10-15 RXD Pulse Width 119
- Figure 10-16 TXD Pulse Width 119
- Table 10-21 SCI Timing 119
- 10.14 JTAG Timing 120
- JTAG Timing 121
- Table 10-24 ADC Parameters 122
- 124 Freescale Semiconductor 124
- Preliminary 124
- 10.17 Power Consumption 125
- • Cload is expressed in pF 126
- Freescale 127
- Freescale Semiconductor 131 131
- 132 Freescale Semiconductor 132
- Freescale Semiconductor 133 133
- DDA_OSC_PLL 134
- Part 13 Ordering Information 135
- How to Reach Us: 136
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