Service manual

GX30
6 – 1
CONFIDENTIAL
PhoneGX30Service ManualService ManualMarketE
CHAPTER 6. OTHERS
[1] Function table of IC
IC101 (LRS1B27): 5-LEVEL STACK MEMORY
Pin No. Terminal name Input/Output Description of terminal
1* NC – Not used
2 A20 Input Address input (NOR Flash, Smartcombo RAM)
3 A11 Input Address input (NOR Flash, Smartcombo RAM, SRAM)
4 A15 Input Address input (NOR Flash, Smartcombo RAM, SRAM)
5 A14 Input Address input (NOR Flash, Smartcombo RAM, SRAM)
6 A13 Input Address input (NOR Flash, Smartcombo RAM, SRAM)
7 A12 Input Address input (NOR Flash, Smartcombo RAM, SRAM)
8 GND – Ground
9* NC – Not used (VCC IO/NC)
10* NC – Not used
11* NC – Not used
12* NC – Not used
13 SF-RY/BY Output Ready busy output (Smartcombo Flash)
14 A16 Input Address input (NOR Flash, Smartcombo RAM, SRAM)
15 A8 Input Address input (NOR Flash, Smartcombo RAM, SRAM)
16 A10 Input Address input (NOR Flash, Smartcombo RAM, SRAM)
17 A9 Input Address input (NOR Flash, Smartcombo RAM, SRAM)
18 DQ15 Input/Output Data input/output (NOR Flash, Smartcombo RAM, SRAM)
Command, Address, and Data input/output (Smartcombo Flash)
19 S/SC-/WE Input Write enable input (SRAM, Smartcombo RAM)
20 DQ14 Input/Output Data input/output (NOR Flash, Smartcombo RAM, SRAM)
Command, Address, and Data input/output (Smartcombo Flash)
21 DQ7 Input/Output Data input/output (NOR Flash, Smartcombo RAM, SRAM)
Command, Address, and Data input/output (Smartcombo Flash)
22* NC – Not used
23* NC – Not used
24 SF-/RE Input Read enable input (Smartcombo Flash)
25 F-/WE Input Write enable input (NOR Flash)
26* F-RY/-BY Output Ready busy output (NOR Flash)
When deleting/writing: VOL
When interrupting block delete/write: High-Z (High impedance)
27 A21 Input Address input (NOR Flash, Smartcombo RAM 2)
28 SC2-CE2 Input Sleep state input (Smartcombo RAM 2)
29 DQ13 Input/Output Data input/output (NOR Flash, Smartcombo RAM, SRAM)
Command, Address, and Data input/output (Smartcombo Flash)
30 DQ6 Input/Output Data input/output (NOR Flash, Smartcombo RAM, SRAM)
Command, Address, and Data input/output (Smartcombo Flash)
31 DQ4 Input/Output Data input/output (NOR Flash, Smartcombo RAM, SRAM)
Command, Address, and Data input/output (Smartcombo Flash)
32 DQ5 Input/Output Data input/output (NOR Flash, Smartcombo RAM, SRAM)
Command, Address, and Data input/output (Smartcombo Flash)
33* NC – Not used
34 SF/F/SC-VCC – Power (NOR Flash ,Smartcombo Flash , Smartcombo RAM)
35 GND – Ground
36 /RST Input Reset input (NOR Flash) (F-/RST)
When deleting block/writing: VIH
When reading: VIH
Reset: VIL
37 A22 Input Address input (NOR Flash)
38 SC2-/CE1/NC
(F2-/CE)
Input Chip enable input (Smartcombo RAM 2)
39 DQ12 Input/Output Data input/output (NOR Flash, Smartcombo RAM, SRAM)
Command, Address, and Data input/output (Smartcombo Flash)
40 S/SC1-CE2 Input Chip enable input (SRAM), sleep state input (Smartcombo RAM 1)
41 S-VCC – Power (SRAM)
42 SF/F/SC-VCC – Power (NOR Flash ,Smartcombo Flash , Smartcombo RAM)
43* NC – Not used
44 CLE Input Command latch enable input (Smartcombo Flash)
45 /WP (F-/WP) Input Write protect input (NOR Flash)