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型號(hào)：	UPD780076
廠商：	NEC Corp.
元件分類：	8位微控制器
英文描述：	8-Bit Single-Chip Microcontrollers
中文描述：	8位單芯片微控制器
文件頁(yè)數(shù)：	147/592頁(yè)
文件大?。?/td>	3307K
代理商：	UPD780076

CHAPTER 8 16-BIT TIMER/EVENT COUNTERS 00, 01

s Manual U14260EJ3V1UD

(3) 16-bit timer capture/compare register 01n (CR01n)

CR01n is a 16-bit register which has the functions of both a capture register and a compare register. Whether it

is used as a capture register or a compare register is set by bit 2 (CRC02n) of capture/compare control register 0n

CR01n is set by a 16-bit memory manipulation instruction.

RESET input clears CR01n to 0000H.

Figure 8-5. Format of 16-Bit Timer Capture/Compare Register 01n (CR01n)

When CR01n is used as a compare register

The value set in CR01n is constantly compared with the 16-bit timer counter 0n (TM0n) count value, and an

interrupt request (INTTM01n) is generated if they match.

When CR01n is used as a capture register

It is possible to select the valid edge of the TI00n pin as the capture trigger. The TI00n valid edge is set by

means of prescaler mode register 0n (PRM0n) (refer to

Table 8-3. CR01n Capture Trigger and Valid Edge of TI00n Pin (CRC02n = 1)

CR01n Capture Trigger

TI00n Pin Valid Edge

Falling edge

Both rising and falling edges

Setting ES01n, ES00n = 1, 0 is prohibited.

ES01n, ES00n: Bits 5 and 4 of prescaler mode register 0n (PRM0n)

Bit 2 of capture/compare control register 0n (CRC0n)

Cautions 1. If CR01n is set to 0000H, an interrupt request (INTTM01n) is generated when CR01n changes

from 0000H to 0001H following overflow (FFFFH). INTTM01n is generated after the match

between TM0n and CR01n or after the valid edge of the TI00n pin is detected.

2. When CR01n is used as a capture register, read data is undefined if the register read time

and capture trigger input conflict (the capture data itself is the correct value). If count stop

input and capture trigger input conflict, the captured data is undefined.

FF0DH (CR010)

FF6BH (CR011)

FF0CH (CR010)

FF6AH (CR011)

Address: FF0CH, FF0DH (CR010), FF6AH, FF6BH (CR011) After reset: 0000H R/W

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UPD780101MC-047-5A4-E1-A	制造商:Renesas Electronics Corporation 功能描述:
UPD780102MC-082-5A4-A	制造商:Renesas Electronics Corporation 功能描述:
UPD780102MC-083-5A4-A	制造商:Renesas Electronics Corporation 功能描述:
UPD780134GK-424-9ET-E3-A	制造商:Renesas Electronics Corporation 功能描述:
UPD78014GC-765-AB8	制造商:NEC Electronics Corporation 功能描述:

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