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PIC16CR74E/P Datasheet(PDF) 99 Page - Microchip Technology

Part # PIC16CR74E/P
Description  28/40-Pin, 8-Bit CMOS ROM Microcontrollers
PDF  172 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

PIC16CR74E/P Datasheet(HTML) 99 Page - Microchip Technology

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© 2007 Microchip Technology Inc.
DS21993C-page 97
PIC16CR7X
FIGURE 12-6:
TIME-OUT SEQUENCE ON POWER-UP (MCLR TIED TO VDD THROUGH
RC NETWORK)
PIE1
73
74
76
77
r000 0000
r000 0000
ruuu uuuu
73
74
76
77
0000 0000
0000 0000
uuuu uuuu
PIE2
73
74
76
77
---- ---0
---- ---0
---- ---u
PCON
73
74
76
77
---- --qq
---- --uu
---- --uu
PR2
73747677
1111 1111
1111 1111
1111 1111
SSPSTAT
73
74
76
77
--00 0000
--00 0000
--uu uuuu
SSPADD
73747677
0000 0000
0000 0000
uuuu uuuu
TXSTA
73747677
0000 -010
0000 -010
uuuu -uuu
SPBRG
73
74
76
77
0000 0000
0000 0000
uuuu uuuu
ADCON1
73
74
76
77
---- -000
---- -000
---- -uuu
PMDATA
73
74
76
77
0--- 0000
0--- 0000
u--- uuuu
PMADR
73747677
xxxx xxxx
uuuu uuuu
uuuu uuuu
PMDATH
73
74
76
77
xxxx xxxx
uuuu uuuu
uuuu uuuu
PMADRH
73
74
76
77
xxxx xxxx
uuuu uuuu
uuuu uuuu
PMCON1
73
74
76
77
1--- ---0
1--- ---0
1--- ---u
TABLE 12-6:
INITIALIZATION CONDITIONS FOR ALL REGISTERS (CONTINUED)
Register
Devices
Power-on Reset,
Brown-out Reset
MCLR Reset,
WDT Reset
Wake-up via WDT or
Interrupt
Legend: u = unchanged, x = unknown, - = unimplemented bit, read as ‘0’, q = value depends on condition,
r
= reserved, maintain clear
Note 1:
One or more bits in INTCON, PIR1 and/or PIR2 will be affected (to cause wake-up).
2:
When the wake-up is due to an interrupt and the GIE bit is set, the PC is loaded with the interrupt vector
(0004h).
3:
See Table 12-5 for Reset value for specific condition.
TPWRT
TOST
VDD
MCLR
INTERNAL POR
PWRT TIME-OUT
OST TIME-OUT
INTERNAL RESET



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