參數(shù)資料
型號: KD16902
廠商: SAMSUNG SEMICONDUCTOR CO. LTD.
英文描述: Virtual Surround Processor(虛擬環(huán)繞處理器)
中文描述: 虛擬環(huán)繞聲處理器(虛擬環(huán)繞處理器)
文件頁數(shù): 31/74頁
文件大?。?/td> 327K
代理商: KD16902
FUNCTIONAL DESCRIPTION
KD16902 VIRTUAL SURROUND PROCESSOR
31
Figure 20. Program Memory Address Map
The host sends the Program Memory Configuration command for the memory configuration. The parameter follow-
ing the command contains the information for RAM0_CFG[1:0] and RAM1_CFG[1:0]. The command and its param-
eter are defined in the next section. When the KD16902 accepts the parameter, the parameter's bit[3:2] and bit[1:0]
are copied to RAM0_CFG[1:0] and RAM1_CFG[1:0] bits of ext5 register, respectively.
Table 27 shows the commands used for the downloading. The host sends the address and the code using these
commands. The address and the code are divided into upper and lower bytes because the KD16902 only accepts
data in unit of byte.
The data address, instead program address, is used for the downloading.
The address is in 10
bits since the bank size is 1024 words. The bit[7:0] of the data address are assigned to the parameter following the
RAM Address, Low command. The bit[9:8], which indicates the RAM page, are assigned the lowest significant 2
bits of the parameter following the RAM Address, High command. The bit 7 of the parameter indicates the bank. It
is set to 0 for RAM0 and 1 for RAM1. Figure 21 shows the parameter.
0x0000
0x0FFF
0x1000
0x10FF
0x1100
0x11FF
0x1200
0x12FF
0x1300
0x13FF
0x1400
0x14FF
0x1500
0x15FF
Page 1 of RAM0
Page 2 of RAM0
Page 3 of RAM0
Page 1 of RAM1
Page 2 of RAM1
Page 3 of RAM1
ROM
4K words
Program Address
Data Address
0x0100
0x01FF
0x0200
0x02FF
0x0300
0x03FF
0x0300
0x03FF
0x0200
0x02FF
0x0100
0x01FF
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