SDA5252 SIEMENS [Siemens Semiconductor Group], SDA5252 Datasheet - Page 67

• Manufacturer Part Number: SDA5252
• Description: TVTEXT 8-Bit Microcontroller
• Manufacturer: SIEMENS [Siemens Semiconductor Group]

Teletext Sync Interrupt Request Register TTXSIR
Teletext Sync Interrupt
Request Register
Default after reset: 00
VSY, HSY, PCLK
DVIREN
DVIRST
DHIREN
DHIRST
Semiconductor Group
(MSB)
–
VSY
H
HSY
These bits are no interrupt bits. They are described in
Chapter “Display Special Function Registers” on
page 24.
Enables or disables the display vertical sync interrupt request.
If DVIREN = 1, this interrupt will be enabled.
Display vertical sync interrupt request flag. Set by the rising
edge of the display vertical sync pulse. Must be cleared by
software.
Enables or disables the display horizontal sync interrupt
request.
If DHIREN = 1, this interrupt will be enabled.
Display horizontal sync interrupt request flag. Set by the rising
edge of the display horizontal sync pulse. Must be cleared by
software.
PCLK
TTXSIR
67
DVIREN
DVIRST
DHIREN DHIRST
SFR-Address C8
SDA 525x
1998-04-08
(LSB)
H