3VPCU VCCRTC
591_PME# R387 *4.7K_4
+3V 3VPCU +5V 3VSUS
TP_VCC TRACE : 30 mil
TP_VCC TPDATA_L TPCLK_L L131 L132 L133 C1525 2 C1526
0502 L131 CHANGE COMPONENT
TOUCHPAD CONNECTOR
TPDATA_L TPCLK_L C1524 CN8 1 2 3 4 47P_4 PME# 1 2 C1523 47P_4 Q42 2N7002 3 3V_S5 3V_S5 3V_S5 3VPCU VCCRTC +3V +5V 3VSUS
0502 Q42 ADD 2ND SOURCE
TPDATA TPCLK +5V R1121 R1122 10K_6 10K_6 C628 +3V C606 .1U_4 34 45 123 136 157 166 U40 161 16 95 .1U_4 3VPCU
6 5
HI0805N310R-00 MLB-160808-0220A MLB-160808-0220A TP_VCC .1U_4 1 4.7U/10V_8
0426 CN5 CHANGE COMPONENT
2 4 2 4 RN82 4P2R-S-4.7K 3 1 RN83 4P2R-S-4.7K 3 1 RN84 4P2R-S-4.7K 3 1 RN85 4P2R-S-4.7K 3 1 RN86 4P2R-S-4.7K 3 1 RN87 4P2R-S-4.7K 3 1 RN88 4P2R-S-4.7K 3 1 RN89 4P2R-S-4.7K 3 1 RN90 4P2R-S-4.7K 3 1 RN91 4P2R-S-4.7K 3 1 3 5 7 1 3 5 7 1 3 5 7 1 3 5 7 8 6 4 2 8 6 4 2 2 4 6 8 2 4 6 8 2 4 6 8 2 4 6 8 7 5 3 1 7 5 3 1 2 4 2 4 2 4 2 4 2 4 2 4 2 4 2 4 2 4 2 4 MY0 MY1 MY2 MY3 MY8 MY9 MY10 MY11 MY12 MY13 MY14 MY15 MY4 MY5 MY6 MY7 MX4 MX5 MX6 MX7 MX0 MX1 MX2 MX3 RF_EN BT_POWERON# LAN_ON VRON MAINON SUSON S5_ON C230 10P_4 R145 Y4 4 3 32.768KHZ 20M_6 1 591_32KX2-1 R150 2 C236 10P_4 GAIN1 GAIN2 T36 T34 T38 GAIN1 GAIN2 551-IOJ4 551-IOJ5 551-IOJ7 RF_EN BT_POWERON# LAN_ON VRON MAINON SUSON S5_ON CS# 62 63 69 70 75 76 148 149 155 156 3 4 27 28 173 174 47 121K/F_6 MY12 MY13 MY8 MY9 MY10 MY11 MX0 MX1 MX4 MX5 MX6 MX7 MX2 MX3 MY6 MY7 MY14 MY15 MY0 MY1 MY4 MY5 MY2 MY3 TPCLK TPDATA CAPSLED# NUMLED# MY0 MY1 MY2 MX0 MX1 MX2 MX3 MY3 MY4 MX4 MX5 MX6 MX7 MY5 MY6 MY7 MY8 MY9 MY10 MY11 MY12 MY13 MY14 MY15 CN5 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 T40 T39 T41 T43 T44 MX0 MX1 MX2 MX3 MX4 MX5 MX6 MX7 MY0 MY1 MY2 MY3 MY4 MY5 MY6 MY7 MY8 MY9 MY10 MY11 MY12 MY13 MY14 MY15 551-TINT# 551-TCK 551-TDO 551-TDI 551-TMS 71 72 73 74 77 78 79 80 49 50 51 52 53 56 57 58 59 60 61 64 65 66 67 68 105 106 107 108 109 110 111 114 115 116 117 118 119
81 82 83 84 87 88 89 90 93 94 99 100 101 102 32 33 36 37 38 39 40 43 153 154 162 163 164 165 168 169 170 171 172 175 176 1 26 29 30 2 44 24 25 124 125 126 127 128 131 132 133 138 139 140 141 144 145 146 147 150 151 152 41 42 54 55 143 142 135 134 130 129 121 120 113 112 104 103 48
CC-SET CV-SET BRIGHT VOL_CTRL VFAN NOVO_LED# PHY_RST# AMP_MUTE# BT1# BT2# BT3# PWRLED# SUSLED# MBCLK MBDATA PCIRST# REFON T143 1 D26 2 RB500 DNBSWON# FANSIG EC_FPBACK# LID591# ACIN BT4# NBSWON# S3AUXSW# PSONCLKRUN# R1117 *10K_4 USB_EN#
PWM or PORTA
1: Enable shared memory with host BIOS
PORTC
BADDR1-0 0 0 0 1 1 0 1 1
I/O Address Index Data 2E 2F 4E 4F (HCFGBAH, HCFGBAL)(HCFGBAH, HCFGBAL)+1 Reserved 3VPCU 3VPCU 3VPCU +3V +3V
ＰＣ８７５９１
ＰＣ９７５５１是笔记本电脑常用的Ｉ／Ｏ控制芯片。 ＰＣ８７５９１的内部电路框图
LPC I/F
Serial IRQ
SMI
Reset & Config
CR16B Core
Processing Unit
DMA
Host Controlled Functions
LPC Bus I/F
DA output
CC-SET CV-SET BRIGHT VOL_CTRL VFAN NOVO_LED# BT1# BT2# BT3# RX_551 TX_551 MBCLK MBDATA PCIRST# REFON HOLD# USBEN# 551-DNBSWON# FANSIG EC_FPBACK# PWROK ACIN BT4# 591_PME# NBSWON# SUSB# PSONCLKRUN# ENV0 ENV1 BADDR0 BADDR1 TRIS SHBM A6 A7 D0 D1 D2 D3 D4 D5 D6 D7 RD# WR#
3VPCU ENV1 R406 BADDR0 R410 BADDR1 R413 BT_POWERON# R425 SHBM R416 10K_4 10K_4 *10K_4 *10K_4 10K_4
9 SCI#
IOPD3/ECSCI GA20/IOPB5 KBRST/IOPB6 KBSIN0 KBSIN1 KBSIN2 KBSIN3 KBSIN4 KBSIN5 KBSIN6 KBSIN7 KBSOUT0 KBSOUT1 KBSOUT2 KBSOUT3 KBSOUT4 KBSOUT5 KBSOUT6 KBSOUT7 KBSOUT8 KBSOUT9 KBSOUT10 KBSOUT11 KBSOUT12 KBSOUT13 KBSOUT14 KBSOUT15 TINT TCK TDO TDI TMS PSCLK1/IOPF0 PSDAT1/IOPF1 PSCLK2/IOPF2 PSDAT2/IOPF3 PSCLK3/IOPF4 PSDAT3/IOPF5 PSCLK4/IOPF6 PSDAT4/IOPF7
no use
SERIRQ LPC_PD# LFRAME#/FWH4 LAD0/FWH0 LAD1/FWH1 LAD2/FWH2 LAD3/FWH3 PCLK_591 551-LRSET# 551-KBSMI# 551-SWI# 551-SCI# 7 8 9 15 14 13 10 18 19 22 23 31 5 6 SERIRQ LDRQ LFRAME LAD0 LAD1 LAD2 LAD3 LCLK LREST SMI PWUREQ
MSWC
HFCG
ICU
KBSCAN
GPIO
ADC
USART
PMC Valid Battery + Oscillator
CLK
MIWU
Debugger I/F
PWM
DAC
32.768 KHz
JTAG
External Memory + I/O
ＰＣ８７５９１的针脚封装图
ＰＣ８７５９１在联想１２５笔记本电脑中的典型应用电路图
Core Bus I/F Functions
CR Access Bridge
Shared mem. + Protection
Memory
Bus Adapter RAM ROM BIU
Internal Bus Peripheral Bus
KBC + PM Host I/F
Peripherals
ACB (X2) PS/2 I/F Timer + WDG MFT16 (X2)
C583 C591
.1U_4 .1U_4 .1U_4 .1U_4 10U/10V_8