参数资料
型号: MCHC11F1VFNE3
厂商: Freescale Semiconductor
文件页数: 114/158页
文件大小: 0K
描述: MCU 8BIT 1KRAM 512EE 68-PLCC
标准包装: 18
系列: HC11
核心处理器: HC11
芯体尺寸: 8-位
速度: 3MHz
连通性: SCI,SPI
外围设备: POR,WDT
输入/输出数: 30
程序存储器类型: ROMless
EEPROM 大小: 512 x 8
RAM 容量: 1K x 8
电压 - 电源 (Vcc/Vdd): 4.75 V ~ 5.25 V
数据转换器: A/D 8x8b
振荡器型: 内部
工作温度: -40°C ~ 105°C
封装/外壳: 68-LCC(J 形引线)
包装: 管件
OPERATING MODES AND ON-CHIP MEMORY
TECHNICAL DATA
4-21
*PCSEN is set out of reset in expanded modes and cleared in single-chip modes.
IO1EN — I/O Chip Select 1 Enable
0 = CSIO1 is disabled and port G bit 5 is general-purpose I/O.
1 = CSIO1 is enabled and uses port G bit 5.
IO1PL — I/O Chip Select 1 Polarity Select
0 = CSIO1 active low
1 = CSIO1 active high
IO2EN — I/O Chip Select 2 Enable
0 = CSIO2 is disabled and port G bit 4 is general-purpose I/O.
1 = CSIO2 is enabled and uses port G bit 4.
IO2PL — I/O Chip Select 2 Polarity Select
0 = CSIO2 active low
1 = CSIO2 active high
GCSPR — General-Purpose Chip Select Priority
0 = Program chip select has priority over general-purpose chip select
1 = General-purpose chip select has priority over program chip select
PCSEN — Program Chip Select Enable
This bit is set out of reset in expanded modes and cleared in single-chip modes.
0 = CSPROG disabled and port G bit 7 available as general-purpose I/O
1 = CSPROG enabled out of reset and uses port G bit 7 pin
PSIZA, PSIZB — Program Chip Select Size (A or B)
GA[15:10] — General-Purpose Chip Select Base Address
GA[15:10] correspond to MCU address bits ADDR[15:10] and select the starting ad-
dress of the general-purpose chip select's address range. Which bits are valid de-
pends upon the size selected by GSIZA–GSIZC in CSGSIZ register. Refer to the
following table and to Figure 4-4.
CSCTL — Chip Select Control
$105D
Bit 7
654321
Bit 0
IO1EN
IO1PL
IO2EN
IO2PL
GCSPR
PCSEN*
PSIZA
PSIZB
RESET:
00000
0
Table 4-9 Program Chip Select Size Control
PSIZA
PSIZB
Size (Bytes)
Address Range
0
64 K
$0000–$FFFF
0
1
32 K
$8000–$FFFF
1
0
16 K
$C000–$FFFF
1
8 K
$E000–$FFFF
CSGADR — General-Purpose Chip Select Address Register
$105E
Bit 7
654321
Bit 0
GA15
GA14
GA13
GA12
GA11
GA10
RESET:
0000000
0
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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