1.引脚输出
1.1 GS4901B引脚分配
PCLK1&2_GND
PCLK1&2_VDD
SDOUT_TDO
同步锁相
NC
JTAG / HOST
PHS_GND
SDIN_TDI
SCLK_TCLK
IO_VDD
PHS_VDD
CS_TMS
PCLK1
IO_VDD
LOCK_LOST
REF_LOST
VID_PLL_VDD
VID_PLL_GND
XTAL_VDD
X1
X2
XTAL_GND
CORE_GND
ANALOG_VDD
NC
ANALOG_GND
AUD_PLL_GND
AUD_PLL_VDD
10FID
HSYNC
1
64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49
48
47
46
45
44
43
PCLK2
RESET
LVDS/PCLK3_GND
PCLK3
PCLK3
LVDS/PCLK3_VDD
CORE_VDD
TIMING_OUT_8
TIMING_OUT_7
TIMING_OUT_6
TIMING_OUT_5
TIMING_OUT_4
IO_VDD
TIMING_OUT_3
TIMING_OUT_2
TIMING_OUT_1
ASR_SEL0
ASR_SEL1
2
3
4
5
6
7
8
9
10
11
12
13
14
GS4901B
64引脚QFN
（ TOP VIEW ）
42
41
40
39
38
37
36
35
34
15
16
33
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
IO_VDD
VID_STD0
NC
FSYNC
IO_VDD
ACLK3
CORE_VDD
地垫
（底端尺寸）
GS4901B / GS4900B SD时钟和定时发生器
与同步锁相
数据表
37703 - 4
2009年12月
VSYNC
VID_STD1
VID_STD2
VID_STD3
VID_STD4
VID_STD5
ACLK1
ACLK2
ASR_SEL2
102 7
GENNUM [ GENNUM CORPORATION ]
