參數(shù)資料
型號: PSD4235G2-90UT
廠商: STMICROELECTRONICS
元件分類: 微控制器/微處理器
英文描述: 256K X 16 FLASH, 52 I/O, PIA-GENERAL PURPOSE, PQFP80
封裝: PLASTIC, TQFP-80
文件頁數(shù): 18/100頁
文件大?。?/td> 933K
代理商: PSD4235G2-90UT
PSD4235G2
24/100
Table 26. Memory_ID0 Register
Note: Bit Definitions:
F_size[3:0]
0h = There is no Primary Flash memory
1h = Primary Flash memory size is 256 Kbit
2h = Primary Flash memory size is 512 Kbit
3h = Primary Flash memory size is 1 Mbit
4h = Primary Flash memory size is 2 Mbit
5h = Primary Flash memory size is 4 Mbit
6h = Primary Flash memory size is 8 Mbit
S_size[3:0]
0h = There is no SRAM
1h = SRAM size is 16 Kbit
2h = SRAM size is 32 Kbit
3h = SRAM size is 64 Kbit
4h = SRAM size is 128 Kbit
5h = SRAM size is 256 Kbit
Table 27. Memory_ID1 Register
Note: Bit Definitions:
B_size[3:0]
0h = There is no Secondary NVM
1h = Secondary NVM size is 128 Kbit
2h = Secondary NVM size is 256 Kbit
3h = Secondary NVM size is 512 Kbit
B_type[1:0]
0h = Secondary NVM is Flash memory
1h = Secondary NVM is EEPROM
Bit 7Bit 6Bit 5Bit 4Bit 3Bit 2Bit 1
Bit 0
S_size 3
S_size 2
S_size 1
S_size 0
F_size 3
F_size 2
F_size 1
F_size 0
Bit 7Bit 6Bit 5Bit 4Bit 3Bit 2Bit 1
Bit 0
not used
(set to ’0’)
not used
(set to ’0’)
B_type 1
B_type 0
B_size 3
B_size 2
B_size 1
B_size 0
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