Seiko Epson Corporation
S1C31D50 TECHNICAL MANUAL
(Rev. 1.00)
Clock Supply During Debugging ____________________________________________ 7-3
Operations _________________________________________________________ 7-4
Initialization ____________________________________________________________ 7-4
Port Input/Output Control ________________________________________________ 7-6
Interrupts _________________________________________________________ 7-7
Control Registers ____________________________________________________ 7-8
Control Register and Port Function Configuration of this IC __________________ 7-14
P0 Port Group _________________________________________________________ 7-14
P1 Port Group _________________________________________________________ 7-15
P2 Port Group _________________________________________________________ 7-16
P3 Port Group _________________________________________________________ 7-17
P4 Port Group _________________________________________________________ 7-18
P5 Port Group _________________________________________________________ 7-19
P6 Port Group _________________________________________________________ 7-20
P7 Port Group _________________________________________________________ 7-21
P8 Port Group _________________________________________________________ 7-22
P9 Port Group _________________________________________________________ 7-23
PA Port Group _________________________________________________________ 7-24
PD Port Group _________________________________________________________ 7-25
Common Registers between Port Groups ___________________________________ 7-26
Universal Port Multiplexer (UPMUX) __________________________________ 8-1
Overview __________________________________________________________ 8-1
Peripheral Circuit I/O Function Assignment _______________________________ 8-1
Control Registers ____________________________________________________ 8-2
Watchdog Timer (WDT2) ____________________________________________ 9-1
Overview __________________________________________________________ 9-1
Clock Settings ______________________________________________________ 9-1
WDT2 Operating Clock ___________________________________________________ 9-1
Clock Supply in DEBUG Mode _____________________________________________ 9-1
Operations_________________________________________________________ 9-2
WDT2 Control __________________________________________________________ 9-2
Operations in HALT and SLEEP Modes _______________________________________ 9-3
Control Registers ____________________________________________________ 9-4
Real-Time Clock (RTCA) __________________________________________ 10-1
Overview _______________________________________________________ 10-1
Output Pin and External Connection _________________________________ 10-1
Output Pin ____________________________________________________________ 10-1
Clock Settings ___________________________________________________ 10-2
RTCA Operating Clock __________________________________________________ 10-2
Theoretical Regulation Function __________________________________________ 10-2
Operations ______________________________________________________ 10-4
Summary of Contents for S1C31D50
Page 461: ...25 1 Seiko Epson Corporation S1C31D50 TECHNICAL MANUAL Rev 1 00 25 Package TQFP12 48PIN ...
Page 462: ...25 2 Seiko Epson Corporation S1C31D50 TECHNICAL MANUAL Rev 1 00 QFP13 64PIN ...
Page 463: ...25 3 Seiko Epson Corporation S1C31D50 TECHNICAL MANUAL Rev 1 00 TQFP14 80PIN ...
Page 464: ...25 4 Seiko Epson Corporation S1C31D50 TECHNICAL MANUAL Rev 1 00 QFP15 100PIN ...