參數(shù)資料
型號(hào)： STLC2500
廠商： 意法半導(dǎo)體
英文描述： BLUETOOTH⑩ SINGLE CHIP
中文描述： 單芯片藍(lán)牙⑩
文件頁(yè)數(shù)： 19/23頁(yè)
文件大小： 241K
代理商： STLC2500
19/23
STLC2500
Table 22. PCM interface timing
Figure 8. PCM interface timing
8.3
The JTAG interface is compliant with the JTAG IEEE Standard 1149.1. It allows both the boundary scan
of the digital pins and the debug of the ARM7TDMI application when connected with the standard ARM7
developments tools. It is also used for the industrial test of the device.
The JTAG interface
8.4
The STLC2500 has 4 GPIO pins. They are fully programmable via specific HCI commands. They can be
configured as input, output, interrupt with asynchronous or synchronous edge or level detection and/or
wake-up.
Also other functions are multiplexed on the GPIO pins.
The alternative functions are
The GPIOs
– WLAN co-existence control
– I2C interface
– PCM synchronization;
– GPIOs
Some functions are mutually exclusive, as per table 23.
Symbol
t
WCH
t
WCL
t
WSH
t
SSC
t
SDC
t
HCD
t
DCD
Description
Min.
200
200
200
100
100
100
Typ.
Max.
Unit
ns
ns
ns
ns
ns
ns
ns
High period of PCM_CLK
Low period of PCM_CLK
High period of PCM_SYNC
Setup time, PCM_SYNC high to PCM_CLK low
Setup time, PCM_A/B input valid to PCM_CLK low
Hold time, PCM_CLK low to PCM_A/B input valid
Delay time, PCM_CLK high to PCM_A/B output valid
150
t
WCL
t
WCH
t
SSC
t
WSH
t
SDC
t
HCD
t
DCD
MSB
MSB
MSB-1
MSB-1
MSB-2
MSB-2
MSB-3
MSB-3
PCM_CLK
PCM_SYNC
PCM_A/B in
PCM_A/B out
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