TxGCON

Timer Gate Control Register
Name:
TxGCON
Address:
0xFD0,0xFCA,0xFC4,0xF31
Reset:
Access:
Bit76543210
GEGPOLGTMGSPMGGO/DONEGVAL
AccessR/WR/WR/WR/WR/WRO
Reset00000x

Bit 7 – GE: Timer Gate Enable bit

Timer Gate Enable bit

ValueNameDescription
1 ON = 1 Timer counting is controlled by the Timer gate function
0 ON = 1 Timer is always counting
X ON = 0 This bit is ignored

Bit 6 – GPOL: Timer Gate Polarity bit

Timer Gate Polarity bit

ValueDescription
1 Timer gate is active-high (Timer counts when gate is high)
0 Timer gate is active-low (Timer counts when gate is low)

Bit 5 – GTM: Timer Gate Toggle Mode bit

Timer Gate Toggle Mode bit

Timer Gate Flip-Flop Toggles on every rising edge

ValueDescription
1 Timer Gate Toggle mode is enabled
0 Timer Gate Toggle mode is disabled and Toggle flip-flop is cleared

Bit 4 – GSPM: Timer Gate Single Pulse Mode bit

Timer Gate Single Pulse Mode bit

ValueDescription
1 Timer Gate Single Pulse mode is enabled and is controlling Timer gate)
0 Timer Gate Single Pulse mode is disabled

Bit 3 – GGO/DONE: Timer Gate Single Pulse Acquisition Status bit

Timer Gate Single Pulse Acquisition Status bit

This bit is automatically cleared when TxGSPM is cleared.

ValueDescription
1 Timer Gate Single Pulse Acquisition is ready, waiting for an edge
0 Timer Gate Single Pulse Acquisition has completed or has not been started.

Bit 2 – GVAL: Timer Gate Current State bit

Timer Gate Current State bit

Indicates the current state of the Timer gate that could be provided to TMRxH:TMRxL

Unaffected by Timer Gate Enable (TMRxGE)