参数资料
型号: UPD78F9510GR-JJG-A
厂商: Renesas Electronics America
文件页数: 76/175页
文件大小: 0K
描述: MCU 8BIT SGL CHIP 16PIN
标准包装: 400
系列: 78K0S/Kx1+
核心处理器: 78K0S
芯体尺寸: 8-位
速度: 10MHz
外围设备: LVD,POR,PWM,WDT
输入/输出数: 13
程序存储器容量: 1KB(1K x 8)
程序存储器类型: 闪存
RAM 容量: 128 x 8
电压 - 电源 (Vcc/Vdd): 2 V ~ 5.5 V
振荡器型: 内部
工作温度: -40°C ~ 85°C
封装/外壳: 16-SSOP(0.173",4.40mm 宽)
包装: 托盘
CHAPTER 9 A/D CONVERTER (
μPD78F921x ONLY)
User’s Manual U16994EJ6V0UD
165
(4) 8-bit A/D conversion result register (ADCRH)
This register is an 8-bit register that stores the A/D conversion result. It stores the higher 8 bits of a 10-bit
resolution result.
ADCRH can be read by an 8-bit memory manipulation instruction.
Reset signal generation makes ADCRH undefined.
Figure 9-7. Format of 8-bit A/D Conversion Result Register (ADCRH)
Symbol
ADCRH
76
5
4
3
2
1
0
Address: FF1AH
After reset: Undefined
R
(5) Port mode register 2 (PM2) and port mode control register 2 (PMC2)
When using the when the P20/ANI0/TI000/TOH1, P21/ANI1/TI010/TO00/INTP0, P22/ANI2, and P23/ANI3 pins
for analog input, set PM20 to PM23 and PMC20 to PMC23 to 1. At this time, the output latches of P20 to P23
may be 0 or 1.
PM2 and PMC2 are set by a 1-bit or 8-bit memory manipulation instruction.
Reset signal generation sets PM2 to 00H and clears PMC2 to FFH.
Figure 9-8. Format of Port Mode Register 2 (PM2)
Address: FF22H
After reset: FFH
R/W
Symbol
7
6
5
4
3
2
1
0
PM2
1
PM23
PM22
PM21
PM20
PM2n
Pmn pin I/O mode selection (n = 0 to 3)
0
Output mode (output buffer on)
1
Input mode (output buffer off)
Figure 9-9. Format of Port Mode Control Register 2 (PMC2)
Address: FF84H
After reset: 00H
R/W
Symbol
7
6
5
4
3
2
1
0
PMC2
0
PMC23
PMC22
PMC21
PMC20
PMC2n
Operation mode specification (n = 0 to 3)
0
Port/Alternate-function (except A/D converter) mode
1
A/D converter mode
Caution
If PMC20 to PMC23 are set to 1, the P20/ANI0/TI000/TOH1, P21/ANI1/TI010/TO00/INTP0,
P22/ANI2, and P23/ANI3 pins cannot be used for any purpose other than the A/D converter
function.
Be sure to set the pull-up resistor option registers (PU20 to PU23) to 0 for the pins set to
A/D converter mode.
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