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参数资料
| 型号： | R3F10011NXXXSP |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | MROM, 8 MHz, MICROCONTROLLER, PDSO20 |
| 封装： | 4.40 X 6.50 MM, 0.65 MM PITCH, PLASTIC, LSSOP-20 |
| 文件页数： | 16/30页 |
| 文件大小： | 229K |
| 代理商： | R3F10011NXXXSP |
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R38F1 Group, R38F2 Group, R38F3 Group
3. Memory
REJ03B0226-0001 Rev.0.01
Nov 21, 2007
Page 23 of 28
Under development Preliminary specification
Notice: This is not a final specification. Some parametric limits are subject to change.
3.3.2
Function Set ROM Data 1 (FSROM1)
NOTES:
1. The P20/XOUT/XCOUT pin and the P21/XIN/XCIN pin have an on-chip oscillator. Even if these pins are used as
I/O ports, the oscillator circuit is enabled when the MCU Vcc voltage drops below the minimum operating voltage.
In this case, undefined values may be output from these pins.
2. When the FSROM12 bit is set to 1 (low-voltage detection circuit enabled) in stop mode, the current consumption
in stop mode increases.
Address FFDAh
Bit
b7b6b5b4
b3b2
b1
b0
Symbol FSROM17 FSROM16 FSROM15 FSROM14 FSROM13 FSROM12 FSROM11 FSROM10
Bit
Symbol
Bit Name
Function
b0
FSROM10 Oscillation method select bit (1)
b1 b0
0 0: External oscillation not used
(P20 and P21 used as I/O ports)
0 1: Ceramic resonator or crystal oscillator
1 0: 32 kHz crystal oscillator
1 1: External clock input
(P20 used as I/O port)
b1
FSROM11
b2
FSROM12 Low-voltage detection circuit
enable bit in stop mode (2)
0: Low-voltage detection circuit disabled in stop mode
1: Low-voltage detection circuit enabled in stop mode
b3
FSROM13 Set to 0.
b4
FSROM14
b5
FSROM15
b6
FSROM16
b7
FSROM17 Set to 1.
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